author | Sebastian Hengst <archaeopteryx@coole-files.de> |
Tue, 22 Aug 2017 11:49:04 +0200 | |
changeset 376093 | eb72c8c077518c3fdc0dca5c0a14070bd25fe3cb |
parent 376067 | db2a49c83d536d38fad916149e43a8fb35121f82 (current diff) |
parent 376092 | db36870cee64a8edcb5bed7d40c3a9a067152813 (diff) |
child 376094 | c7c6330583a44c8d9050e382af574c02a21e1605 |
child 376112 | bdf687e404dc68503e668328dbcaf76667d794fe |
child 376197 | 2b5a763e1ccdc9b721a062edac62a23fdd453320 |
push id | 49310 |
push user | archaeopteryx@coole-files.de |
push date | Tue, 22 Aug 2017 09:50:29 +0000 |
treeherder | autoland@c7c6330583a4 [default view] [failures only] |
perfherder | [talos] [build metrics] [platform microbench] (compared to previous push) |
reviewers | merge, merge |
milestone | 57.0a1 |
first release with | nightly linux32
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last release without | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
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releases | nightly linux32
57.0a1
/
20170822100529
/
pushlog to previous
nightly linux64
57.0a1
/
20170822100529
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pushlog to previous
nightly mac
57.0a1
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20170822100529
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pushlog to previous
nightly win32
57.0a1
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20170822100529
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pushlog to previous
nightly win64
57.0a1
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20170822100529
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pushlog to previous
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--- a/accessible/tests/browser/e10s/browser_events_show.js +++ b/accessible/tests/browser/e10s/browser_events_show.js @@ -6,10 +6,12 @@ /** * Test show event */ addAccessibleTask('<div id="div" style="visibility: hidden;"></div>', async function(browser) { let onShow = waitForEvent(EVENT_SHOW, "div"); await invokeSetStyle(browser, "div", "visibility", "visible"); - await onShow; + let showEvent = await onShow; + ok(showEvent.accessibleDocument instanceof nsIAccessibleDocument, + "Accessible document not present."); });
--- a/accessible/tests/browser/e10s/browser_events_textchange.js +++ b/accessible/tests/browser/e10s/browser_events_textchange.js @@ -8,16 +8,18 @@ function checkTextChangeEvent(event, id, let tcEvent = event.QueryInterface(nsIAccessibleTextChangeEvent); is(tcEvent.start, start, `Correct start offset for ${prettyName(id)}`); is(tcEvent.length, end - start, `Correct length for ${prettyName(id)}`); is(tcEvent.isInserted, isInserted, `Correct isInserted flag for ${prettyName(id)}`); is(tcEvent.modifiedText, text, `Correct text for ${prettyName(id)}`); is(tcEvent.isFromUserInput, isFromUserInput, `Correct value of isFromUserInput for ${prettyName(id)}`); + ok(tcEvent.accessibleDocument instanceof nsIAccessibleDocument, + "Accessible document not present."); } async function changeText(browser, id, value, events) { let onEvents = waitForOrderedEvents(events.map(({ isInserted }) => { let eventType = isInserted ? EVENT_TEXT_INSERTED : EVENT_TEXT_REMOVED; return [ eventType, id ]; })); // Change text in the subtree.
--- a/accessible/tests/browser/events.js +++ b/accessible/tests/browser/events.js @@ -8,17 +8,17 @@ // globals from there. /* import-globals-from shared-head.js */ /* import-globals-from ../mochitest/common.js */ /* exported EVENT_REORDER, EVENT_SHOW, EVENT_TEXT_INSERTED, EVENT_TEXT_REMOVED, EVENT_DOCUMENT_LOAD_COMPLETE, EVENT_HIDE, EVENT_TEXT_CARET_MOVED, EVENT_DESCRIPTION_CHANGE, EVENT_NAME_CHANGE, EVENT_STATE_CHANGE, EVENT_VALUE_CHANGE, EVENT_TEXT_VALUE_CHANGE, EVENT_FOCUS, - EVENT_DOCUMENT_RELOAD, + EVENT_DOCUMENT_RELOAD, UnexpectedEvents, waitForEvent, waitForEvents, waitForOrderedEvents */ const EVENT_DOCUMENT_LOAD_COMPLETE = nsIAccessibleEvent.EVENT_DOCUMENT_LOAD_COMPLETE; const EVENT_HIDE = nsIAccessibleEvent.EVENT_HIDE; const EVENT_REORDER = nsIAccessibleEvent.EVENT_REORDER; const EVENT_SHOW = nsIAccessibleEvent.EVENT_SHOW; const EVENT_STATE_CHANGE = nsIAccessibleEvent.EVENT_STATE_CHANGE; const EVENT_TEXT_CARET_MOVED = nsIAccessibleEvent.EVENT_TEXT_CARET_MOVED; @@ -107,19 +107,16 @@ function waitForEvent(eventType, matchCr // If event type does not match expected type, skip the event. if (event.eventType !== eventType) { return; } if (matchEvent(event, matchCriteria)) { Logger.log(`Correct event type: ${eventTypeToString(eventType)}`); - ok(event.accessibleDocument instanceof nsIAccessibleDocument, - "Accessible document present."); - Services.obs.removeObserver(this, "accessible-event"); resolve(event); } } }; Services.obs.addObserver(eventObserver, "accessible-event"); }); }
--- a/accessible/tests/browser/tree/browser.ini +++ b/accessible/tests/browser/tree/browser.ini @@ -1,10 +1,9 @@ [DEFAULT] skip-if = e10s && os == 'win' && release_or_beta support-files = head.js !/accessible/tests/browser/events.js !/accessible/tests/browser/shared-head.js !/accessible/tests/mochitest/*.js -[browser_test_aria_owns.js] -[browser_test_aria_owns_select.js] +[browser_aria_owns.js]
new file mode 100644 --- /dev/null +++ b/accessible/tests/browser/tree/browser_aria_owns.js @@ -0,0 +1,149 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +let NO_MOVE = { unexpected: [[EVENT_REORDER, "container"]] }; +let MOVE = { expected: [[EVENT_REORDER, "container"]] }; + +// Set last ordinal child as aria-owned, should produce no reorder. +addAccessibleTask(`<ul id="container"><li id="a">Test</li></ul>`, + async function(browser, accDoc) { + let containerAcc = findAccessibleChildByID(accDoc, "container"); + + testChildrenIds(containerAcc, ["a"]); + + await contentSpawnMutation(browser, NO_MOVE, function() { + // aria-own ordinal child in place, should be a no-op. + document.getElementById("container").setAttribute("aria-owns", "a"); + }); + + testChildrenIds(containerAcc, ["a"]); + } +); + +// Add a new ordinal child to a container with an aria-owned child. +// Order should respect aria-owns. +addAccessibleTask(`<ul id="container"><li id="a">Test</li></ul>`, + async function(browser, accDoc) { + let containerAcc = findAccessibleChildByID(accDoc, "container"); + + testChildrenIds(containerAcc, ["a"]); + + await contentSpawnMutation(browser, MOVE, function() { + let container = document.getElementById("container"); + container.setAttribute("aria-owns", "a"); + + let aa = document.createElement("li"); + aa.id = "aa"; + container.appendChild(aa); + }); + + testChildrenIds(containerAcc, ["aa", "a"]); + + await contentSpawnMutation(browser, MOVE, function() { + document.getElementById("container").removeAttribute("aria-owns"); + }); + + testChildrenIds(containerAcc, ["a", "aa"]); + } +); + +// Remove a no-move aria-owns attribute, should result in a no-move. +addAccessibleTask(`<ul id="container" aria-owns="a"><li id="a">Test</li></ul>`, + async function(browser, accDoc) { + let containerAcc = findAccessibleChildByID(accDoc, "container"); + + testChildrenIds(containerAcc, ["a"]); + + await contentSpawnMutation(browser, NO_MOVE, function() { + // remove aria-owned child that is already ordinal, should be no-op. + document.getElementById("container").removeAttribute("aria-owns"); + }); + + testChildrenIds(containerAcc, ["a"]); + } +); + +// Attempt to steal an aria-owned child. The attempt should fail. +addAccessibleTask(` + <ul> + <li id="a">Test</li> + </ul> + <ul aria-owns="a"></ul> + <ul id="container"></ul>`, + async function(browser, accDoc) { + let containerAcc = findAccessibleChildByID(accDoc, "container"); + + testChildrenIds(containerAcc, []); + + await contentSpawnMutation(browser, NO_MOVE, function() { + document.getElementById("container").setAttribute("aria-owns", "a"); + }); + + testChildrenIds(containerAcc, []); + } +); + +// Correctly aria-own children of <select> +addAccessibleTask(` + <div id="container" role="group" aria-owns="b"></div> + <select id="select"> + <option id="a"></option> + <option id="b"></option> + </select>`, + async function(browser, accDoc) { + let containerAcc = findAccessibleChildByID(accDoc, "container"); + let selectAcc = findAccessibleChildByID(accDoc, "select"); + + testChildrenIds(containerAcc, ["b"]); + testChildrenIds(selectAcc.firstChild, ["a"]); + + let waitfor = { expected: [ + [EVENT_REORDER, "container"], + [EVENT_REORDER, + evt => getAccessibleDOMNodeID(evt.accessible.parent) == "select"]] }; + + await contentSpawnMutation(browser, waitfor, function() { + document.getElementById("container").removeAttribute("aria-owns"); + }); + + testChildrenIds(containerAcc, []); + testChildrenIds(selectAcc.firstChild, ["a", "b"]); + } +); + +addAccessibleTask(` + <ul id="one"> + <li id="a">Test</li> + <li id="b">Test 2</li> + <li id="c">Test 3</li> + </ul> + <ul id="two"></ul>`, + async function(browser, accDoc) { + let one = findAccessibleChildByID(accDoc, "one"); + let two = findAccessibleChildByID(accDoc, "two"); + + let waitfor = { expected: [ + [EVENT_REORDER, "one"], + [EVENT_REORDER, "two"]] }; + + await contentSpawnMutation(browser, waitfor, function() { + // Put same id twice in aria-owns + document.getElementById("two").setAttribute("aria-owns", "a a"); + }); + + testChildrenIds(one, ["b", "c"]); + testChildrenIds(two, ["a"]); + + await contentSpawnMutation(browser, waitfor, function() { + // If the previous double-id aria-owns worked correctly, we should + // be in a good state and all is fine.. + document.getElementById("two").setAttribute("aria-owns", "a b"); + }); + + testChildrenIds(one, ["c"]); + testChildrenIds(two, ["a", "b"]); + } +);
deleted file mode 100644 --- a/accessible/tests/browser/tree/browser_test_aria_owns.js +++ /dev/null @@ -1,105 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -"use strict"; - -function testChildrenIds(acc, expectedIds) { - let ids = arrayFromChildren(acc).map(child => getAccessibleDOMNodeID(child)); - Assert.deepEqual(ids, expectedIds, - `Children for ${getAccessibleDOMNodeID(acc)} are wrong.`); -} - -async function runTests(browser, accDoc) { - let one = findAccessibleChildByID(accDoc, "one"); - let two = findAccessibleChildByID(accDoc, "two"); - let three = findAccessibleChildByID(accDoc, "three"); - let four = findAccessibleChildByID(accDoc, "four"); - - testChildrenIds(one, ["a"]); - testChildrenIds(two, ["b", "c", "d"]); - testChildrenIds(three, []); - - let onReorders = waitForEvents({ - expected: [ - [EVENT_REORDER, "two"]], // children will be reordered via aria-owns - unexpected: [ - [EVENT_REORDER, "one"], // child will remain in place - [EVENT_REORDER, "three"], // none of its children will be reclaimed - [EVENT_REORDER, "four"]] // child will remain in place - }); - - await ContentTask.spawn(browser, null, async function() { - // aria-own ordinal child in place, should be a no-op. - document.getElementById("one").setAttribute("aria-owns", "a"); - // remove aria-owned child that is already ordinal, should be no-op. - document.getElementById("four").removeAttribute("aria-owns"); - // shuffle aria-owns with markup child. - document.getElementById("two").setAttribute("aria-owns", "d c"); - }); - - await onReorders; - - testChildrenIds(one, ["a"]); - testChildrenIds(two, ["b", "d", "c"]); - testChildrenIds(three, []); - testChildrenIds(four, ["e"]); - - onReorders = waitForEvent(EVENT_REORDER, "one"); - - await ContentTask.spawn(browser, null, async function() { - let aa = document.createElement("li"); - aa.id = "aa"; - document.getElementById("one").appendChild(aa); - }); - - await onReorders; - - // aria-owned child should be after ordinal children. - testChildrenIds(one, ["aa", "a"]); - - onReorders = waitForEvent(EVENT_REORDER, "one"); - - await ContentTask.spawn(browser, null, async function() { - // removing aria-owns should reorder the children - document.getElementById("one").removeAttribute("aria-owns"); - }); - - await onReorders; - - // with no aria-owns, layout order should prevail. - testChildrenIds(one, ["a", "aa"]); - - onReorders = waitForEvents([ - [EVENT_REORDER, "four"], // "b" will go to "three" - [EVENT_REORDER, "two"]]); // some children will be reclaimed and acquired - - await ContentTask.spawn(browser, null, async function() { - // child order will be overridden by aria-owns - document.getElementById("four").setAttribute("aria-owns", "b e"); - }); - - await onReorders; - - testChildrenIds(four, ["b", "e"]); - testChildrenIds(two, ["d", "c"]); -} - -/** - * Test caching of accessible object states - */ -addAccessibleTask(` - <ul id="one"> - <li id="a">Test</li> - </ul> - <ul id="two" aria-owns="d"> - <li id="b">Test 2</li> - <li id="c">Test 3</li> - </ul> - <ul id="three"> - <li id="d">Test 4</li> - </ul> - <ul id="four" aria-owns="e"> - <li id="e">Test 5</li> - </ul> - `, runTests);
deleted file mode 100644 --- a/accessible/tests/browser/tree/browser_test_aria_owns_select.js +++ /dev/null @@ -1,45 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -"use strict"; - -function testChildrenIds(acc, expectedIds) { - let ids = arrayFromChildren(acc).map(child => getAccessibleDOMNodeID(child)); - Assert.deepEqual(ids, expectedIds, - `Children for ${getAccessibleDOMNodeID(acc)} are wrong.`); -} - -async function runTests(browser, accDoc) { - let div = findAccessibleChildByID(accDoc, "div"); - let select = findAccessibleChildByID(accDoc, "select"); - - testChildrenIds(div, ["b"]); - testChildrenIds(select.firstChild, ["a"]); - - let onReorders = waitForEvents([ - [EVENT_REORDER, "div"], - [EVENT_REORDER, - evt => getAccessibleDOMNodeID(evt.accessible.parent) == "select"] - ]); - - await ContentTask.spawn(browser, null, async function() { - document.getElementById("div").removeAttribute("aria-owns"); - }); - - await onReorders; - - testChildrenIds(div, []); - testChildrenIds(select.firstChild, ["a", "b"]); -} - -/** - * Test caching of accessible object states - */ -addAccessibleTask(` - <div id="div" role="group" aria-owns="b"></div> - <select id="select"> - <option id="a"></option> - <option id="b"></option> - </select> - `, runTests);
--- a/accessible/tests/browser/tree/head.js +++ b/accessible/tests/browser/tree/head.js @@ -1,15 +1,65 @@ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ "use strict"; +/* exported contentSpawnMutation, testChildrenIds */ + // Load the shared-head file first. /* import-globals-from ../shared-head.js */ Services.scriptloader.loadSubScript( "chrome://mochitests/content/browser/accessible/tests/browser/shared-head.js", this); // Loading and common.js from accessible/tests/mochitest/ for all tests, as // well as events.js. loadScripts({ name: "common.js", dir: MOCHITESTS_DIR }, "events.js", "layout.js"); + +/* + * A test function for comparing the IDs of an accessible's children + * with an expected array of IDs. + */ +function testChildrenIds(acc, expectedIds) { + let ids = arrayFromChildren(acc).map(child => getAccessibleDOMNodeID(child)); + Assert.deepEqual(ids, expectedIds, + `Children for ${getAccessibleDOMNodeID(acc)} are wrong.`); +} + +/* + * This function spawns a content task and awaits expected mutation events from + * aria-owns changes. It's good at catching events we did *not* expect. We do + * this advancing the layout refresh to flush the relocations/insertions queue. + */ +async function contentSpawnMutation(browser, waitFor, func) { + let onReorders = waitForEvents({ expected: waitFor.expected || [] }); + let unexpectedListener = new UnexpectedEvents(waitFor.unexpected || []); + + function tick() { + // 100ms is an arbitrary positive number to advance the clock. + // We don't need to advance the clock for a11y mutations, but other + // tick listeners may depend on an advancing clock with each refresh. + content.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDOMWindowUtils).advanceTimeAndRefresh(100); + } + + // This stops the refreh driver from doing its regular ticks, and leaves + // us in control. + await ContentTask.spawn(browser, null, tick); + + // Perform the tree mutation. + await ContentTask.spawn(browser, null, func); + + // Do one tick to flush our queue (insertions, relocations, etc.) + await ContentTask.spawn(browser, null, tick); + + await onReorders; + + unexpectedListener.stop(); + + // Go back to normal refresh driver ticks. + await ContentTask.spawn(browser, null, function() { + content.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDOMWindowUtils).restoreNormalRefresh(); + }); +}
--- a/browser/base/content/browser.js +++ b/browser/base/content/browser.js @@ -2903,20 +2903,16 @@ function PageProxyClickHandler(aEvent) { // Values for telemtery bins: see TLS_ERROR_REPORT_UI in Histograms.json const TLS_ERROR_REPORT_TELEMETRY_AUTO_CHECKED = 2; const TLS_ERROR_REPORT_TELEMETRY_AUTO_UNCHECKED = 3; const TLS_ERROR_REPORT_TELEMETRY_MANUAL_SEND = 4; const TLS_ERROR_REPORT_TELEMETRY_AUTO_SEND = 5; const PREF_SSL_IMPACT_ROOTS = ["security.tls.version.", "security.ssl3."]; -const PREF_SSL_IMPACT = PREF_SSL_IMPACT_ROOTS.reduce((prefs, root) => { - return prefs.concat(Services.prefs.getChildList(root)); -}, []); - /** * Handle command events bubbling up from error page content * or from about:newtab or from remote error pages that invoke * us via async messaging. */ var BrowserOnClick = { init() { let mm = window.messageManager; @@ -2983,17 +2979,20 @@ var BrowserOnClick = { } break; case "Browser:SendSSLErrorReport": this.onSSLErrorReport(msg.target, msg.data.uri, msg.data.securityInfo); break; case "Browser:ResetSSLPreferences": - for (let prefName of PREF_SSL_IMPACT) { + let prefSSLImpact = PREF_SSL_IMPACT_ROOTS.reduce((prefs, root) => { + return prefs.concat(Services.prefs.getChildList(root)); + }, []); + for (let prefName of prefSSLImpact) { Services.prefs.clearUserPref(prefName); } msg.target.reload(); break; case "Browser:SetSSLErrorReportAuto": Services.prefs.setBoolPref("security.ssl.errorReporting.automatic", msg.json.automatic); let bin = TLS_ERROR_REPORT_TELEMETRY_AUTO_UNCHECKED; if (msg.json.automatic) {
--- a/browser/base/content/content.js +++ b/browser/base/content/content.js @@ -231,19 +231,16 @@ const SEC_ERROR_OCSP_FUTURE_RESPONSE const SEC_ERROR_OCSP_OLD_RESPONSE = SEC_ERROR_BASE + 132; const MOZILLA_PKIX_ERROR_NOT_YET_VALID_CERTIFICATE = MOZILLA_PKIX_ERROR_BASE + 5; const MOZILLA_PKIX_ERROR_NOT_YET_VALID_ISSUER_CERTIFICATE = MOZILLA_PKIX_ERROR_BASE + 6; const PREF_BLOCKLIST_CLOCK_SKEW_SECONDS = "services.blocklist.clock_skew_seconds"; const PREF_SSL_IMPACT_ROOTS = ["security.tls.version.", "security.ssl3."]; -const PREF_SSL_IMPACT = PREF_SSL_IMPACT_ROOTS.reduce((prefs, root) => { - return prefs.concat(Services.prefs.getChildList(root)); -}, []); /** * Retrieve the array of CSS selectors corresponding to the provided node. The first item * of the array is the selector of the node in its owner document. Additional items are * used if the node is inside a frame, each representing the CSS selector for finding the * frame element in its parent document. * * This format is expected by DevTools in order to handle the Inspect Node context menu @@ -497,17 +494,20 @@ var AboutNetAndCertErrorListener = { break; case "AboutNetErrorResetPreferences": this.onResetPreferences(aEvent); break; } }, changedCertPrefs() { - for (let prefName of PREF_SSL_IMPACT) { + let prefSSLImpact = PREF_SSL_IMPACT_ROOTS.reduce((prefs, root) => { + return prefs.concat(Services.prefs.getChildList(root)); + }, []); + for (let prefName of prefSSLImpact) { if (Services.prefs.prefHasUserValue(prefName)) { return true; } } return false; },
--- a/db/sqlite3/src/sqlite3.c +++ b/db/sqlite3/src/sqlite3.c @@ -1,11 +1,11 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.19.3. By combining all the individual C code files into this +** version 3.20.0. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements ** of 5% or more are commonly seen when SQLite is compiled as a single ** translation unit. ** ** This file is all you need to compile SQLite. To use SQLite in other ** programs, you need this file and the "sqlite3.h" header file that defines @@ -17,16 +17,768 @@ ** language. The code for the "sqlite3" command-line shell is also in a ** separate file. This file contains only code for the core SQLite library. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 #ifndef SQLITE_PRIVATE # define SQLITE_PRIVATE static #endif +/************** Begin file ctime.c *******************************************/ +/* +** 2010 February 23 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** +** This file implements routines used to report what compile-time options +** SQLite was built with. +*/ + +#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS + +/* +** Include the configuration header output by 'configure' if we're using the +** autoconf-based build +*/ +#if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) +#include "config.h" +#define SQLITECONFIG_H 1 +#endif + +/* These macros are provided to "stringify" the value of the define +** for those options in which the value is meaningful. */ +#define CTIMEOPT_VAL_(opt) #opt +#define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) + +/* +** An array of names of all compile-time options. This array should +** be sorted A-Z. +** +** This array looks large, but in a typical installation actually uses +** only a handful of compile-time options, so most times this array is usually +** rather short and uses little memory space. +*/ +static const char * const sqlite3azCompileOpt[] = { + +/* +** BEGIN CODE GENERATED BY tool/mkctime.tcl +*/ +#if SQLITE_32BIT_ROWID + "32BIT_ROWID", +#endif +#if SQLITE_4_BYTE_ALIGNED_MALLOC + "4_BYTE_ALIGNED_MALLOC", +#endif +#if SQLITE_64BIT_STATS + "64BIT_STATS", +#endif +#if SQLITE_ALLOW_COVERING_INDEX_SCAN + "ALLOW_COVERING_INDEX_SCAN", +#endif +#if SQLITE_ALLOW_URI_AUTHORITY + "ALLOW_URI_AUTHORITY", +#endif +#ifdef SQLITE_BITMASK_TYPE + "BITMASK_TYPE=" CTIMEOPT_VAL(SQLITE_BITMASK_TYPE), +#endif +#if SQLITE_BUG_COMPATIBLE_20160819 + "BUG_COMPATIBLE_20160819", +#endif +#if SQLITE_CASE_SENSITIVE_LIKE + "CASE_SENSITIVE_LIKE", +#endif +#if SQLITE_CHECK_PAGES + "CHECK_PAGES", +#endif +#if defined(__clang__) && defined(__clang_major__) + "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "." + CTIMEOPT_VAL(__clang_minor__) "." + CTIMEOPT_VAL(__clang_patchlevel__), +#elif defined(_MSC_VER) + "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER), +#elif defined(__GNUC__) && defined(__VERSION__) + "COMPILER=gcc-" __VERSION__, +#endif +#if SQLITE_COVERAGE_TEST + "COVERAGE_TEST", +#endif +#if SQLITE_DEBUG + "DEBUG", +#endif +#if SQLITE_DEFAULT_AUTOMATIC_INDEX + "DEFAULT_AUTOMATIC_INDEX", +#endif +#if SQLITE_DEFAULT_AUTOVACUUM + "DEFAULT_AUTOVACUUM", +#endif +#ifdef SQLITE_DEFAULT_CACHE_SIZE + "DEFAULT_CACHE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_CACHE_SIZE), +#endif +#if SQLITE_DEFAULT_CKPTFULLFSYNC + "DEFAULT_CKPTFULLFSYNC", +#endif +#ifdef SQLITE_DEFAULT_FILE_FORMAT + "DEFAULT_FILE_FORMAT=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_FORMAT), +#endif +#ifdef SQLITE_DEFAULT_FILE_PERMISSIONS + "DEFAULT_FILE_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_PERMISSIONS), +#endif +#if SQLITE_DEFAULT_FOREIGN_KEYS + "DEFAULT_FOREIGN_KEYS", +#endif +#ifdef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT + "DEFAULT_JOURNAL_SIZE_LIMIT=" CTIMEOPT_VAL(SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT), +#endif +#ifdef SQLITE_DEFAULT_LOCKING_MODE + "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE), +#endif +#ifdef SQLITE_DEFAULT_LOOKASIDE + "DEFAULT_LOOKASIDE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOOKASIDE), +#endif +#if SQLITE_DEFAULT_MEMSTATUS + "DEFAULT_MEMSTATUS", +#endif +#ifdef SQLITE_DEFAULT_MMAP_SIZE + "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE), +#endif +#ifdef SQLITE_DEFAULT_PAGE_SIZE + "DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_PAGE_SIZE), +#endif +#ifdef SQLITE_DEFAULT_PCACHE_INITSZ + "DEFAULT_PCACHE_INITSZ=" CTIMEOPT_VAL(SQLITE_DEFAULT_PCACHE_INITSZ), +#endif +#ifdef SQLITE_DEFAULT_PROXYDIR_PERMISSIONS + "DEFAULT_PROXYDIR_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_PROXYDIR_PERMISSIONS), +#endif +#if SQLITE_DEFAULT_RECURSIVE_TRIGGERS + "DEFAULT_RECURSIVE_TRIGGERS", +#endif +#ifdef SQLITE_DEFAULT_ROWEST + "DEFAULT_ROWEST=" CTIMEOPT_VAL(SQLITE_DEFAULT_ROWEST), +#endif +#ifdef SQLITE_DEFAULT_SECTOR_SIZE + "DEFAULT_SECTOR_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_SECTOR_SIZE), +#endif +#ifdef SQLITE_DEFAULT_SYNCHRONOUS + "DEFAULT_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_SYNCHRONOUS), +#endif +#ifdef SQLITE_DEFAULT_WAL_AUTOCHECKPOINT + "DEFAULT_WAL_AUTOCHECKPOINT=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_AUTOCHECKPOINT), +#endif +#ifdef SQLITE_DEFAULT_WAL_SYNCHRONOUS + "DEFAULT_WAL_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_SYNCHRONOUS), +#endif +#ifdef SQLITE_DEFAULT_WORKER_THREADS + "DEFAULT_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WORKER_THREADS), +#endif +#if SQLITE_DIRECT_OVERFLOW_READ + "DIRECT_OVERFLOW_READ", +#endif +#if SQLITE_DISABLE_DIRSYNC + "DISABLE_DIRSYNC", +#endif +#if SQLITE_DISABLE_FTS3_UNICODE + "DISABLE_FTS3_UNICODE", +#endif +#if SQLITE_DISABLE_FTS4_DEFERRED + "DISABLE_FTS4_DEFERRED", +#endif +#if SQLITE_DISABLE_INTRINSIC + "DISABLE_INTRINSIC", +#endif +#if SQLITE_DISABLE_LFS + "DISABLE_LFS", +#endif +#if SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS + "DISABLE_PAGECACHE_OVERFLOW_STATS", +#endif +#if SQLITE_DISABLE_SKIPAHEAD_DISTINCT + "DISABLE_SKIPAHEAD_DISTINCT", +#endif +#ifdef SQLITE_ENABLE_8_3_NAMES + "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES), +#endif +#if SQLITE_ENABLE_API_ARMOR + "ENABLE_API_ARMOR", +#endif +#if SQLITE_ENABLE_ATOMIC_WRITE + "ENABLE_ATOMIC_WRITE", +#endif +#if SQLITE_ENABLE_CEROD + "ENABLE_CEROD", +#endif +#if SQLITE_ENABLE_COLUMN_METADATA + "ENABLE_COLUMN_METADATA", +#endif +#if SQLITE_ENABLE_COLUMN_USED_MASK + "ENABLE_COLUMN_USED_MASK", +#endif +#if SQLITE_ENABLE_COSTMULT + "ENABLE_COSTMULT", +#endif +#if SQLITE_ENABLE_CURSOR_HINTS + "ENABLE_CURSOR_HINTS", +#endif +#if SQLITE_ENABLE_DBSTAT_VTAB + "ENABLE_DBSTAT_VTAB", +#endif +#if SQLITE_ENABLE_EXPENSIVE_ASSERT + "ENABLE_EXPENSIVE_ASSERT", +#endif +#if SQLITE_ENABLE_FTS1 + "ENABLE_FTS1", +#endif +#if SQLITE_ENABLE_FTS2 + "ENABLE_FTS2", +#endif +#if SQLITE_ENABLE_FTS3 + "ENABLE_FTS3", +#endif +#if SQLITE_ENABLE_FTS3_PARENTHESIS + "ENABLE_FTS3_PARENTHESIS", +#endif +#if SQLITE_ENABLE_FTS3_TOKENIZER + "ENABLE_FTS3_TOKENIZER", +#endif +#if SQLITE_ENABLE_FTS4 + "ENABLE_FTS4", +#endif +#if SQLITE_ENABLE_FTS5 + "ENABLE_FTS5", +#endif +#if SQLITE_ENABLE_HIDDEN_COLUMNS + "ENABLE_HIDDEN_COLUMNS", +#endif +#if SQLITE_ENABLE_ICU + "ENABLE_ICU", +#endif +#if SQLITE_ENABLE_IOTRACE + "ENABLE_IOTRACE", +#endif +#if SQLITE_ENABLE_JSON1 + "ENABLE_JSON1", +#endif +#if SQLITE_ENABLE_LOAD_EXTENSION + "ENABLE_LOAD_EXTENSION", +#endif +#ifdef SQLITE_ENABLE_LOCKING_STYLE + "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE), +#endif +#if SQLITE_ENABLE_MEMORY_MANAGEMENT + "ENABLE_MEMORY_MANAGEMENT", +#endif +#if SQLITE_ENABLE_MEMSYS3 + "ENABLE_MEMSYS3", +#endif +#if SQLITE_ENABLE_MEMSYS5 + "ENABLE_MEMSYS5", +#endif +#if SQLITE_ENABLE_MULTIPLEX + "ENABLE_MULTIPLEX", +#endif +#if SQLITE_ENABLE_NULL_TRIM + "ENABLE_NULL_TRIM", +#endif +#if SQLITE_ENABLE_OVERSIZE_CELL_CHECK + "ENABLE_OVERSIZE_CELL_CHECK", +#endif +#if SQLITE_ENABLE_PREUPDATE_HOOK + "ENABLE_PREUPDATE_HOOK", +#endif +#if SQLITE_ENABLE_QPSG + "ENABLE_QPSG", +#endif +#if SQLITE_ENABLE_RBU + "ENABLE_RBU", +#endif +#if SQLITE_ENABLE_RTREE + "ENABLE_RTREE", +#endif +#if SQLITE_ENABLE_SELECTTRACE + "ENABLE_SELECTTRACE", +#endif +#if SQLITE_ENABLE_SESSION + "ENABLE_SESSION", +#endif +#if SQLITE_ENABLE_SNAPSHOT + "ENABLE_SNAPSHOT", +#endif +#if SQLITE_ENABLE_SQLLOG + "ENABLE_SQLLOG", +#endif +#if defined(SQLITE_ENABLE_STAT4) + "ENABLE_STAT4", +#elif defined(SQLITE_ENABLE_STAT3) + "ENABLE_STAT3", +#endif +#if SQLITE_ENABLE_STMTVTAB + "ENABLE_STMTVTAB", +#endif +#if SQLITE_ENABLE_STMT_SCANSTATUS + "ENABLE_STMT_SCANSTATUS", +#endif +#if SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION + "ENABLE_UNKNOWN_SQL_FUNCTION", +#endif +#if SQLITE_ENABLE_UNLOCK_NOTIFY + "ENABLE_UNLOCK_NOTIFY", +#endif +#if SQLITE_ENABLE_UPDATE_DELETE_LIMIT + "ENABLE_UPDATE_DELETE_LIMIT", +#endif +#if SQLITE_ENABLE_URI_00_ERROR + "ENABLE_URI_00_ERROR", +#endif +#if SQLITE_ENABLE_VFSTRACE + "ENABLE_VFSTRACE", +#endif +#if SQLITE_ENABLE_WHERETRACE + "ENABLE_WHERETRACE", +#endif +#if SQLITE_ENABLE_ZIPVFS + "ENABLE_ZIPVFS", +#endif +#if SQLITE_EXPLAIN_ESTIMATED_ROWS + "EXPLAIN_ESTIMATED_ROWS", +#endif +#if SQLITE_EXTRA_IFNULLROW + "EXTRA_IFNULLROW", +#endif +#ifdef SQLITE_EXTRA_INIT + "EXTRA_INIT=" CTIMEOPT_VAL(SQLITE_EXTRA_INIT), +#endif +#ifdef SQLITE_EXTRA_SHUTDOWN + "EXTRA_SHUTDOWN=" CTIMEOPT_VAL(SQLITE_EXTRA_SHUTDOWN), +#endif +#ifdef SQLITE_FTS3_MAX_EXPR_DEPTH + "FTS3_MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_FTS3_MAX_EXPR_DEPTH), +#endif +#if SQLITE_FTS5_ENABLE_TEST_MI + "FTS5_ENABLE_TEST_MI", +#endif +#if SQLITE_FTS5_NO_WITHOUT_ROWID + "FTS5_NO_WITHOUT_ROWID", +#endif +#if SQLITE_HAS_CODEC + "HAS_CODEC", +#endif +#if HAVE_ISNAN || SQLITE_HAVE_ISNAN + "HAVE_ISNAN", +#endif +#if SQLITE_HOMEGROWN_RECURSIVE_MUTEX + "HOMEGROWN_RECURSIVE_MUTEX", +#endif +#if SQLITE_IGNORE_AFP_LOCK_ERRORS + "IGNORE_AFP_LOCK_ERRORS", +#endif +#if SQLITE_IGNORE_FLOCK_LOCK_ERRORS + "IGNORE_FLOCK_LOCK_ERRORS", +#endif +#if SQLITE_INLINE_MEMCPY + "INLINE_MEMCPY", +#endif +#if SQLITE_INT64_TYPE + "INT64_TYPE", +#endif +#ifdef SQLITE_INTEGRITY_CHECK_ERROR_MAX + "INTEGRITY_CHECK_ERROR_MAX=" CTIMEOPT_VAL(SQLITE_INTEGRITY_CHECK_ERROR_MAX), +#endif +#if SQLITE_LIKE_DOESNT_MATCH_BLOBS + "LIKE_DOESNT_MATCH_BLOBS", +#endif +#if SQLITE_LOCK_TRACE + "LOCK_TRACE", +#endif +#if SQLITE_LOG_CACHE_SPILL + "LOG_CACHE_SPILL", +#endif +#ifdef SQLITE_MALLOC_SOFT_LIMIT + "MALLOC_SOFT_LIMIT=" CTIMEOPT_VAL(SQLITE_MALLOC_SOFT_LIMIT), +#endif +#ifdef SQLITE_MAX_ATTACHED + "MAX_ATTACHED=" CTIMEOPT_VAL(SQLITE_MAX_ATTACHED), +#endif +#ifdef SQLITE_MAX_COLUMN + "MAX_COLUMN=" CTIMEOPT_VAL(SQLITE_MAX_COLUMN), +#endif +#ifdef SQLITE_MAX_COMPOUND_SELECT + "MAX_COMPOUND_SELECT=" CTIMEOPT_VAL(SQLITE_MAX_COMPOUND_SELECT), +#endif +#ifdef SQLITE_MAX_DEFAULT_PAGE_SIZE + "MAX_DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_DEFAULT_PAGE_SIZE), +#endif +#ifdef SQLITE_MAX_EXPR_DEPTH + "MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_EXPR_DEPTH), +#endif +#ifdef SQLITE_MAX_FUNCTION_ARG + "MAX_FUNCTION_ARG=" CTIMEOPT_VAL(SQLITE_MAX_FUNCTION_ARG), +#endif +#ifdef SQLITE_MAX_LENGTH + "MAX_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LENGTH), +#endif +#ifdef SQLITE_MAX_LIKE_PATTERN_LENGTH + "MAX_LIKE_PATTERN_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LIKE_PATTERN_LENGTH), +#endif +#ifdef SQLITE_MAX_MEMORY + "MAX_MEMORY=" CTIMEOPT_VAL(SQLITE_MAX_MEMORY), +#endif +#ifdef SQLITE_MAX_MMAP_SIZE + "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE), +#endif +#ifdef SQLITE_MAX_MMAP_SIZE_ + "MAX_MMAP_SIZE_=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE_), +#endif +#ifdef SQLITE_MAX_PAGE_COUNT + "MAX_PAGE_COUNT=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_COUNT), +#endif +#ifdef SQLITE_MAX_PAGE_SIZE + "MAX_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_SIZE), +#endif +#ifdef SQLITE_MAX_SCHEMA_RETRY + "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY), +#endif +#ifdef SQLITE_MAX_SQL_LENGTH + "MAX_SQL_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_SQL_LENGTH), +#endif +#ifdef SQLITE_MAX_TRIGGER_DEPTH + "MAX_TRIGGER_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_TRIGGER_DEPTH), +#endif +#ifdef SQLITE_MAX_VARIABLE_NUMBER + "MAX_VARIABLE_NUMBER=" CTIMEOPT_VAL(SQLITE_MAX_VARIABLE_NUMBER), +#endif +#ifdef SQLITE_MAX_VDBE_OP + "MAX_VDBE_OP=" CTIMEOPT_VAL(SQLITE_MAX_VDBE_OP), +#endif +#ifdef SQLITE_MAX_WORKER_THREADS + "MAX_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_MAX_WORKER_THREADS), +#endif +#if SQLITE_MEMDEBUG + "MEMDEBUG", +#endif +#if SQLITE_MIXED_ENDIAN_64BIT_FLOAT + "MIXED_ENDIAN_64BIT_FLOAT", +#endif +#if SQLITE_MMAP_READWRITE + "MMAP_READWRITE", +#endif +#if SQLITE_MUTEX_NOOP + "MUTEX_NOOP", +#endif +#if SQLITE_MUTEX_NREF + "MUTEX_NREF", +#endif +#if SQLITE_MUTEX_OMIT + "MUTEX_OMIT", +#endif +#if SQLITE_MUTEX_PTHREADS + "MUTEX_PTHREADS", +#endif +#if SQLITE_MUTEX_W32 + "MUTEX_W32", +#endif +#if SQLITE_NEED_ERR_NAME + "NEED_ERR_NAME", +#endif +#if SQLITE_NOINLINE + "NOINLINE", +#endif +#if SQLITE_NO_SYNC + "NO_SYNC", +#endif +#if SQLITE_OMIT_ALTERTABLE + "OMIT_ALTERTABLE", +#endif +#if SQLITE_OMIT_ANALYZE + "OMIT_ANALYZE", +#endif +#if SQLITE_OMIT_ATTACH + "OMIT_ATTACH", +#endif +#if SQLITE_OMIT_AUTHORIZATION + "OMIT_AUTHORIZATION", +#endif +#if SQLITE_OMIT_AUTOINCREMENT + "OMIT_AUTOINCREMENT", +#endif +#if SQLITE_OMIT_AUTOINIT + "OMIT_AUTOINIT", +#endif +#if SQLITE_OMIT_AUTOMATIC_INDEX + "OMIT_AUTOMATIC_INDEX", +#endif +#if SQLITE_OMIT_AUTORESET + "OMIT_AUTORESET", +#endif +#if SQLITE_OMIT_AUTOVACUUM + "OMIT_AUTOVACUUM", +#endif +#if SQLITE_OMIT_BETWEEN_OPTIMIZATION + "OMIT_BETWEEN_OPTIMIZATION", +#endif +#if SQLITE_OMIT_BLOB_LITERAL + "OMIT_BLOB_LITERAL", +#endif +#if SQLITE_OMIT_BTREECOUNT + "OMIT_BTREECOUNT", +#endif +#if SQLITE_OMIT_CAST + "OMIT_CAST", +#endif +#if SQLITE_OMIT_CHECK + "OMIT_CHECK", +#endif +#if SQLITE_OMIT_COMPLETE + "OMIT_COMPLETE", +#endif +#if SQLITE_OMIT_COMPOUND_SELECT + "OMIT_COMPOUND_SELECT", +#endif +#if SQLITE_OMIT_CONFLICT_CLAUSE + "OMIT_CONFLICT_CLAUSE", +#endif +#if SQLITE_OMIT_CTE + "OMIT_CTE", +#endif +#if SQLITE_OMIT_DATETIME_FUNCS + "OMIT_DATETIME_FUNCS", +#endif +#if SQLITE_OMIT_DECLTYPE + "OMIT_DECLTYPE", +#endif +#if SQLITE_OMIT_DEPRECATED + "OMIT_DEPRECATED", +#endif +#if SQLITE_OMIT_DISKIO + "OMIT_DISKIO", +#endif +#if SQLITE_OMIT_EXPLAIN + "OMIT_EXPLAIN", +#endif +#if SQLITE_OMIT_FLAG_PRAGMAS + "OMIT_FLAG_PRAGMAS", +#endif +#if SQLITE_OMIT_FLOATING_POINT + "OMIT_FLOATING_POINT", +#endif +#if SQLITE_OMIT_FOREIGN_KEY + "OMIT_FOREIGN_KEY", +#endif +#if SQLITE_OMIT_GET_TABLE + "OMIT_GET_TABLE", +#endif +#if SQLITE_OMIT_HEX_INTEGER + "OMIT_HEX_INTEGER", +#endif +#if SQLITE_OMIT_INCRBLOB + "OMIT_INCRBLOB", +#endif +#if SQLITE_OMIT_INTEGRITY_CHECK + "OMIT_INTEGRITY_CHECK", +#endif +#if SQLITE_OMIT_LIKE_OPTIMIZATION + "OMIT_LIKE_OPTIMIZATION", +#endif +#if SQLITE_OMIT_LOAD_EXTENSION + "OMIT_LOAD_EXTENSION", +#endif +#if SQLITE_OMIT_LOCALTIME + "OMIT_LOCALTIME", +#endif +#if SQLITE_OMIT_LOOKASIDE + "OMIT_LOOKASIDE", +#endif +#if SQLITE_OMIT_MEMORYDB + "OMIT_MEMORYDB", +#endif +#if SQLITE_OMIT_OR_OPTIMIZATION + "OMIT_OR_OPTIMIZATION", +#endif +#if SQLITE_OMIT_PAGER_PRAGMAS + "OMIT_PAGER_PRAGMAS", +#endif +#if SQLITE_OMIT_PARSER_TRACE + "OMIT_PARSER_TRACE", +#endif +#if SQLITE_OMIT_POPEN + "OMIT_POPEN", +#endif +#if SQLITE_OMIT_PRAGMA + "OMIT_PRAGMA", +#endif +#if SQLITE_OMIT_PROGRESS_CALLBACK + "OMIT_PROGRESS_CALLBACK", +#endif +#if SQLITE_OMIT_QUICKBALANCE + "OMIT_QUICKBALANCE", +#endif +#if SQLITE_OMIT_REINDEX + "OMIT_REINDEX", +#endif +#if SQLITE_OMIT_SCHEMA_PRAGMAS + "OMIT_SCHEMA_PRAGMAS", +#endif +#if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS + "OMIT_SCHEMA_VERSION_PRAGMAS", +#endif +#if SQLITE_OMIT_SHARED_CACHE + "OMIT_SHARED_CACHE", +#endif +#if SQLITE_OMIT_SHUTDOWN_DIRECTORIES + "OMIT_SHUTDOWN_DIRECTORIES", +#endif +#if SQLITE_OMIT_SUBQUERY + "OMIT_SUBQUERY", +#endif +#if SQLITE_OMIT_TCL_VARIABLE + "OMIT_TCL_VARIABLE", +#endif +#if SQLITE_OMIT_TEMPDB + "OMIT_TEMPDB", +#endif +#if SQLITE_OMIT_TEST_CONTROL + "OMIT_TEST_CONTROL", +#endif +#if SQLITE_OMIT_TRACE + "OMIT_TRACE", +#endif +#if SQLITE_OMIT_TRIGGER + "OMIT_TRIGGER", +#endif +#if SQLITE_OMIT_TRUNCATE_OPTIMIZATION + "OMIT_TRUNCATE_OPTIMIZATION", +#endif +#if SQLITE_OMIT_UTF16 + "OMIT_UTF16", +#endif +#if SQLITE_OMIT_VACUUM + "OMIT_VACUUM", +#endif +#if SQLITE_OMIT_VIEW + "OMIT_VIEW", +#endif +#if SQLITE_OMIT_VIRTUALTABLE + "OMIT_VIRTUALTABLE", +#endif +#if SQLITE_OMIT_WAL + "OMIT_WAL", +#endif +#if SQLITE_OMIT_WSD + "OMIT_WSD", +#endif +#if SQLITE_OMIT_XFER_OPT + "OMIT_XFER_OPT", +#endif +#if SQLITE_PCACHE_SEPARATE_HEADER + "PCACHE_SEPARATE_HEADER", +#endif +#if SQLITE_PERFORMANCE_TRACE + "PERFORMANCE_TRACE", +#endif +#if SQLITE_POWERSAFE_OVERWRITE + "POWERSAFE_OVERWRITE", +#endif +#if SQLITE_PREFER_PROXY_LOCKING + "PREFER_PROXY_LOCKING", +#endif +#if SQLITE_PROXY_DEBUG + "PROXY_DEBUG", +#endif +#if SQLITE_REVERSE_UNORDERED_SELECTS + "REVERSE_UNORDERED_SELECTS", +#endif +#if SQLITE_RTREE_INT_ONLY + "RTREE_INT_ONLY", +#endif +#if SQLITE_SECURE_DELETE + "SECURE_DELETE", +#endif +#if SQLITE_SMALL_STACK + "SMALL_STACK", +#endif +#ifdef SQLITE_SORTER_PMASZ + "SORTER_PMASZ=" CTIMEOPT_VAL(SQLITE_SORTER_PMASZ), +#endif +#if SQLITE_SOUNDEX + "SOUNDEX", +#endif +#ifdef SQLITE_STAT4_SAMPLES + "STAT4_SAMPLES=" CTIMEOPT_VAL(SQLITE_STAT4_SAMPLES), +#endif +#ifdef SQLITE_STMTJRNL_SPILL + "STMTJRNL_SPILL=" CTIMEOPT_VAL(SQLITE_STMTJRNL_SPILL), +#endif +#if SQLITE_SUBSTR_COMPATIBILITY + "SUBSTR_COMPATIBILITY", +#endif +#if SQLITE_SYSTEM_MALLOC + "SYSTEM_MALLOC", +#endif +#if SQLITE_TCL + "TCL", +#endif +#ifdef SQLITE_TEMP_STORE + "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE), +#endif +#if SQLITE_TEST + "TEST", +#endif +#if defined(SQLITE_THREADSAFE) + "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE), +#elif defined(THREADSAFE) + "THREADSAFE=" CTIMEOPT_VAL(THREADSAFE), +#else + "THREADSAFE=1", +#endif +#if SQLITE_UNLINK_AFTER_CLOSE + "UNLINK_AFTER_CLOSE", +#endif +#if SQLITE_UNTESTABLE + "UNTESTABLE", +#endif +#if SQLITE_USER_AUTHENTICATION + "USER_AUTHENTICATION", +#endif +#if SQLITE_USE_ALLOCA + "USE_ALLOCA", +#endif +#if SQLITE_USE_FCNTL_TRACE + "USE_FCNTL_TRACE", +#endif +#if SQLITE_USE_URI + "USE_URI", +#endif +#if SQLITE_VDBE_COVERAGE + "VDBE_COVERAGE", +#endif +#if SQLITE_WIN32_MALLOC + "WIN32_MALLOC", +#endif +#if SQLITE_ZERO_MALLOC + "ZERO_MALLOC", +#endif +/* +** END CODE GENERATED BY tool/mkctime.tcl +*/ +}; + +SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ + *pnOpt = sizeof(sqlite3azCompileOpt) / sizeof(sqlite3azCompileOpt[0]); + return (const char**)sqlite3azCompileOpt; +} + +#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ + +/************** End of ctime.c ***********************************************/ /************** Begin file sqliteInt.h ***************************************/ /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. @@ -271,17 +1023,17 @@ /* The public SQLite interface. The _FILE_OFFSET_BITS macro must appear ** first in QNX. Also, the _USE_32BIT_TIME_T macro must appear first for ** MinGW. */ /************** Include sqlite3.h in the middle of sqliteInt.h ***************/ /************** Begin file sqlite3.h *****************************************/ /* -** 2001 September 15 +** 2001-09-15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** @@ -393,19 +1145,19 @@ extern "C" { ** within its configuration management system. ^The SQLITE_SOURCE_ID ** string contains the date and time of the check-in (UTC) and a SHA1 ** or SHA3-256 hash of the entire source tree. ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.19.3" -#define SQLITE_VERSION_NUMBER 3019003 -#define SQLITE_SOURCE_ID "2017-06-08 14:26:16 0ee482a1e0eae22e08edc8978c9733a96603d4509645f348ebf55b579e89636b" +#define SQLITE_VERSION "3.20.0" +#define SQLITE_VERSION_NUMBER 3020000 +#define SQLITE_SOURCE_ID "2017-08-01 13:24:15 9501e22dfeebdcefa783575e47c60b514d7c2e0cad73b2a496c0bc4b680900a8" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros ** but are associated with the library instead of the header file. ^(Cautious @@ -689,40 +1441,40 @@ SQLITE_API int sqlite3_exec( ** here in order to indicate success or failure. ** ** New error codes may be added in future versions of SQLite. ** ** See also: [extended result code definitions] */ #define SQLITE_OK 0 /* Successful result */ /* beginning-of-error-codes */ -#define SQLITE_ERROR 1 /* SQL error or missing database */ +#define SQLITE_ERROR 1 /* Generic error */ #define SQLITE_INTERNAL 2 /* Internal logic error in SQLite */ #define SQLITE_PERM 3 /* Access permission denied */ #define SQLITE_ABORT 4 /* Callback routine requested an abort */ #define SQLITE_BUSY 5 /* The database file is locked */ #define SQLITE_LOCKED 6 /* A table in the database is locked */ #define SQLITE_NOMEM 7 /* A malloc() failed */ #define SQLITE_READONLY 8 /* Attempt to write a readonly database */ #define SQLITE_INTERRUPT 9 /* Operation terminated by sqlite3_interrupt()*/ #define SQLITE_IOERR 10 /* Some kind of disk I/O error occurred */ #define SQLITE_CORRUPT 11 /* The database disk image is malformed */ #define SQLITE_NOTFOUND 12 /* Unknown opcode in sqlite3_file_control() */ #define SQLITE_FULL 13 /* Insertion failed because database is full */ #define SQLITE_CANTOPEN 14 /* Unable to open the database file */ #define SQLITE_PROTOCOL 15 /* Database lock protocol error */ -#define SQLITE_EMPTY 16 /* Database is empty */ +#define SQLITE_EMPTY 16 /* Not used */ #define SQLITE_SCHEMA 17 /* The database schema changed */ #define SQLITE_TOOBIG 18 /* String or BLOB exceeds size limit */ #define SQLITE_CONSTRAINT 19 /* Abort due to constraint violation */ #define SQLITE_MISMATCH 20 /* Data type mismatch */ #define SQLITE_MISUSE 21 /* Library used incorrectly */ #define SQLITE_NOLFS 22 /* Uses OS features not supported on host */ #define SQLITE_AUTH 23 /* Authorization denied */ -#define SQLITE_FORMAT 24 /* Auxiliary database format error */ +#define SQLITE_FORMAT 24 /* Not used */ #define SQLITE_RANGE 25 /* 2nd parameter to sqlite3_bind out of range */ #define SQLITE_NOTADB 26 /* File opened that is not a database file */ #define SQLITE_NOTICE 27 /* Notifications from sqlite3_log() */ #define SQLITE_WARNING 28 /* Warnings from sqlite3_log() */ #define SQLITE_ROW 100 /* sqlite3_step() has another row ready */ #define SQLITE_DONE 101 /* sqlite3_step() has finished executing */ /* end-of-error-codes */ @@ -2279,25 +3031,37 @@ struct sqlite3_mem_methods { ** operation before closing the connection. This option may be used to ** override this behaviour. The first parameter passed to this operation ** is an integer - non-zero to disable checkpoints-on-close, or zero (the ** default) to enable them. The second parameter is a pointer to an integer ** into which is written 0 or 1 to indicate whether checkpoints-on-close ** have been disabled - 0 if they are not disabled, 1 if they are. ** </dd> ** +** <dt>SQLITE_DBCONFIG_ENABLE_QPSG</dt> +** <dd>^(The SQLITE_DBCONFIG_ENABLE_QPSG option activates or deactivates +** the [query planner stability guarantee] (QPSG). When the QPSG is active, +** a single SQL query statement will always use the same algorithm regardless +** of values of [bound parameters].)^ The QPSG disables some query optimizations +** that look at the values of bound parameters, which can make some queries +** slower. But the QPSG has the advantage of more predictable behavior. With +** the QPSG active, SQLite will always use the same query plan in the field as +** was used during testing in the lab. +** </dd> +** ** </dl> */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ #define SQLITE_DBCONFIG_LOOKASIDE 1001 /* void* int int */ #define SQLITE_DBCONFIG_ENABLE_FKEY 1002 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_TRIGGER 1003 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION 1005 /* int int* */ #define SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE 1006 /* int int* */ +#define SQLITE_DBCONFIG_ENABLE_QPSG 1007 /* int int* */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes ** METHOD: sqlite3 ** ** ^The sqlite3_extended_result_codes() routine enables or disables the ** [extended result codes] feature of SQLite. ^The extended result @@ -2951,17 +3715,18 @@ SQLITE_API void sqlite3_randomness(int N ** CAPI3REF: Compile-Time Authorization Callbacks ** METHOD: sqlite3 ** KEYWORDS: {authorizer callback} ** ** ^This routine registers an authorizer callback with a particular ** [database connection], supplied in the first argument. ** ^The authorizer callback is invoked as SQL statements are being compiled ** by [sqlite3_prepare()] or its variants [sqlite3_prepare_v2()], -** [sqlite3_prepare16()] and [sqlite3_prepare16_v2()]. ^At various +** [sqlite3_prepare_v3()], [sqlite3_prepare16()], [sqlite3_prepare16_v2()], +** and [sqlite3_prepare16_v3()]. ^At various ** points during the compilation process, as logic is being created ** to perform various actions, the authorizer callback is invoked to ** see if those actions are allowed. ^The authorizer callback should ** return [SQLITE_OK] to allow the action, [SQLITE_IGNORE] to disallow the ** specific action but allow the SQL statement to continue to be ** compiled, or [SQLITE_DENY] to cause the entire SQL statement to be ** rejected with an error. ^If the authorizer callback returns ** any value other than [SQLITE_IGNORE], [SQLITE_OK], or [SQLITE_DENY] @@ -3740,34 +4505,69 @@ SQLITE_API int sqlite3_limit(sqlite3*, i #define SQLITE_LIMIT_VDBE_OP 5 #define SQLITE_LIMIT_FUNCTION_ARG 6 #define SQLITE_LIMIT_ATTACHED 7 #define SQLITE_LIMIT_LIKE_PATTERN_LENGTH 8 #define SQLITE_LIMIT_VARIABLE_NUMBER 9 #define SQLITE_LIMIT_TRIGGER_DEPTH 10 #define SQLITE_LIMIT_WORKER_THREADS 11 +/* +** CAPI3REF: Prepare Flags +** +** These constants define various flags that can be passed into +** "prepFlags" parameter of the [sqlite3_prepare_v3()] and +** [sqlite3_prepare16_v3()] interfaces. +** +** New flags may be added in future releases of SQLite. +** +** <dl> +** [[SQLITE_PREPARE_PERSISTENT]] ^(<dt>SQLITE_PREPARE_PERSISTENT</dt> +** <dd>The SQLITE_PREPARE_PERSISTENT flag is a hint to the query planner +** that the prepared statement will be retained for a long time and +** probably reused many times.)^ ^Without this flag, [sqlite3_prepare_v3()] +** and [sqlite3_prepare16_v3()] assume that the prepared statement will +** be used just once or at most a few times and then destroyed using +** [sqlite3_finalize()] relatively soon. The current implementation acts +** on this hint by avoiding the use of [lookaside memory] so as not to +** deplete the limited store of lookaside memory. Future versions of +** SQLite may act on this hint differently. +** </dl> +*/ +#define SQLITE_PREPARE_PERSISTENT 0x01 /* ** CAPI3REF: Compiling An SQL Statement ** KEYWORDS: {SQL statement compiler} ** METHOD: sqlite3 ** CONSTRUCTOR: sqlite3_stmt ** -** To execute an SQL query, it must first be compiled into a byte-code -** program using one of these routines. +** To execute an SQL statement, it must first be compiled into a byte-code +** program using one of these routines. Or, in other words, these routines +** are constructors for the [prepared statement] object. +** +** The preferred routine to use is [sqlite3_prepare_v2()]. The +** [sqlite3_prepare()] interface is legacy and should be avoided. +** [sqlite3_prepare_v3()] has an extra "prepFlags" option that is used +** for special purposes. +** +** The use of the UTF-8 interfaces is preferred, as SQLite currently +** does all parsing using UTF-8. The UTF-16 interfaces are provided +** as a convenience. The UTF-16 interfaces work by converting the +** input text into UTF-8, then invoking the corresponding UTF-8 interface. ** ** The first argument, "db", is a [database connection] obtained from a ** prior successful call to [sqlite3_open()], [sqlite3_open_v2()] or ** [sqlite3_open16()]. The database connection must not have been closed. ** ** The second argument, "zSql", is the statement to be compiled, encoded -** as either UTF-8 or UTF-16. The sqlite3_prepare() and sqlite3_prepare_v2() -** interfaces use UTF-8, and sqlite3_prepare16() and sqlite3_prepare16_v2() -** use UTF-16. +** as either UTF-8 or UTF-16. The sqlite3_prepare(), sqlite3_prepare_v2(), +** and sqlite3_prepare_v3() +** interfaces use UTF-8, and sqlite3_prepare16(), sqlite3_prepare16_v2(), +** and sqlite3_prepare16_v3() use UTF-16. ** ** ^If the nByte argument is negative, then zSql is read up to the ** first zero terminator. ^If nByte is positive, then it is the ** number of bytes read from zSql. ^If nByte is zero, then no prepared ** statement is generated. ** If the caller knows that the supplied string is nul-terminated, then ** there is a small performance advantage to passing an nByte parameter that ** is the number of bytes in the input string <i>including</i> @@ -3784,20 +4584,21 @@ SQLITE_API int sqlite3_limit(sqlite3*, i ** string or a comment) then *ppStmt is set to NULL. ** The calling procedure is responsible for deleting the compiled ** SQL statement using [sqlite3_finalize()] after it has finished with it. ** ppStmt may not be NULL. ** ** ^On success, the sqlite3_prepare() family of routines return [SQLITE_OK]; ** otherwise an [error code] is returned. ** -** The sqlite3_prepare_v2() and sqlite3_prepare16_v2() interfaces are -** recommended for all new programs. The two older interfaces are retained -** for backwards compatibility, but their use is discouraged. -** ^In the "v2" interfaces, the prepared statement +** The sqlite3_prepare_v2(), sqlite3_prepare_v3(), sqlite3_prepare16_v2(), +** and sqlite3_prepare16_v3() interfaces are recommended for all new programs. +** The older interfaces (sqlite3_prepare() and sqlite3_prepare16()) +** are retained for backwards compatibility, but their use is discouraged. +** ^In the "vX" interfaces, the prepared statement ** that is returned (the [sqlite3_stmt] object) contains a copy of the ** original SQL text. This causes the [sqlite3_step()] interface to ** behave differently in three ways: ** ** <ol> ** <li> ** ^If the database schema changes, instead of returning [SQLITE_SCHEMA] as it ** always used to do, [sqlite3_step()] will automatically recompile the SQL @@ -3820,54 +4621,77 @@ SQLITE_API int sqlite3_limit(sqlite3*, i ** then the statement will be automatically recompiled, as if there had been ** a schema change, on the first [sqlite3_step()] call following any change ** to the [sqlite3_bind_text | bindings] of that [parameter]. ** ^The specific value of WHERE-clause [parameter] might influence the ** choice of query plan if the parameter is the left-hand side of a [LIKE] ** or [GLOB] operator or if the parameter is compared to an indexed column ** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled. ** </li> +** +** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having +** the extra prepFlags parameter, which is a bit array consisting of zero or +** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags. ^The +** sqlite3_prepare_v2() interface works exactly the same as +** sqlite3_prepare_v3() with a zero prepFlags parameter. ** </ol> */ SQLITE_API int sqlite3_prepare( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare_v2( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); +SQLITE_API int sqlite3_prepare_v3( + sqlite3 *db, /* Database handle */ + const char *zSql, /* SQL statement, UTF-8 encoded */ + int nByte, /* Maximum length of zSql in bytes. */ + unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_ flags */ + sqlite3_stmt **ppStmt, /* OUT: Statement handle */ + const char **pzTail /* OUT: Pointer to unused portion of zSql */ +); SQLITE_API int sqlite3_prepare16( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const void **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare16_v2( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const void **pzTail /* OUT: Pointer to unused portion of zSql */ ); +SQLITE_API int sqlite3_prepare16_v3( + sqlite3 *db, /* Database handle */ + const void *zSql, /* SQL statement, UTF-16 encoded */ + int nByte, /* Maximum length of zSql in bytes. */ + unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_ flags */ + sqlite3_stmt **ppStmt, /* OUT: Statement handle */ + const void **pzTail /* OUT: Pointer to unused portion of zSql */ +); /* ** CAPI3REF: Retrieving Statement SQL ** METHOD: sqlite3_stmt ** ** ^The sqlite3_sql(P) interface returns a pointer to a copy of the UTF-8 ** SQL text used to create [prepared statement] P if P was -** created by either [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()]. +** created by [sqlite3_prepare_v2()], [sqlite3_prepare_v3()], +** [sqlite3_prepare16_v2()], or [sqlite3_prepare16_v3()]. ** ^The sqlite3_expanded_sql(P) interface returns a pointer to a UTF-8 ** string containing the SQL text of prepared statement P with ** [bound parameters] expanded. ** ** ^(For example, if a prepared statement is created using the SQL ** text "SELECT $abc,:xyz" and if parameter $abc is bound to integer 2345 ** and parameter :xyz is unbound, then sqlite3_sql() will return ** the original string, "SELECT $abc,:xyz" but sqlite3_expanded_sql() @@ -4083,16 +4907,25 @@ typedef struct sqlite3_context sqlite3_c ** ^The sqlite3_bind_zeroblob() routine binds a BLOB of length N that ** is filled with zeroes. ^A zeroblob uses a fixed amount of memory ** (just an integer to hold its size) while it is being processed. ** Zeroblobs are intended to serve as placeholders for BLOBs whose ** content is later written using ** [sqlite3_blob_open | incremental BLOB I/O] routines. ** ^A negative value for the zeroblob results in a zero-length BLOB. ** +** ^The sqlite3_bind_pointer(S,I,P,T,D) routine causes the I-th parameter in +** [prepared statement] S to have an SQL value of NULL, but to also be +** associated with the pointer P of type T. ^D is either a NULL pointer or +** a pointer to a destructor function for P. ^SQLite will invoke the +** destructor D with a single argument of P when it is finished using +** P. The T parameter should be a static string, preferably a string +** literal. The sqlite3_bind_pointer() routine is part of the +** [pointer passing interface] added for SQLite 3.20.0. +** ** ^If any of the sqlite3_bind_*() routines are called with a NULL pointer ** for the [prepared statement] or with a prepared statement for which ** [sqlite3_step()] has been called more recently than [sqlite3_reset()], ** then the call will return [SQLITE_MISUSE]. If any sqlite3_bind_() ** routine is passed a [prepared statement] that has been finalized, the ** result is undefined and probably harmful. ** ** ^Bindings are not cleared by the [sqlite3_reset()] routine. @@ -4116,16 +4949,17 @@ SQLITE_API int sqlite3_bind_double(sqlit SQLITE_API int sqlite3_bind_int(sqlite3_stmt*, int, int); SQLITE_API int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite3_int64); SQLITE_API int sqlite3_bind_null(sqlite3_stmt*, int); SQLITE_API int sqlite3_bind_text(sqlite3_stmt*,int,const char*,int,void(*)(void*)); SQLITE_API int sqlite3_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*)); SQLITE_API int sqlite3_bind_text64(sqlite3_stmt*, int, const char*, sqlite3_uint64, void(*)(void*), unsigned char encoding); SQLITE_API int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*); +SQLITE_API int sqlite3_bind_pointer(sqlite3_stmt*, int, void*, const char*,void(*)(void*)); SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n); SQLITE_API int sqlite3_bind_zeroblob64(sqlite3_stmt*, int, sqlite3_uint64); /* ** CAPI3REF: Number Of SQL Parameters ** METHOD: sqlite3_stmt ** ** ^This routine can be used to find the number of [SQL parameters] @@ -4159,35 +4993,36 @@ SQLITE_API int sqlite3_bind_parameter_co ** ^Parameters of the form "?" without a following integer have no name ** and are referred to as "nameless" or "anonymous parameters". ** ** ^The first host parameter has an index of 1, not 0. ** ** ^If the value N is out of range or if the N-th parameter is ** nameless, then NULL is returned. ^The returned string is ** always in UTF-8 encoding even if the named parameter was -** originally specified as UTF-16 in [sqlite3_prepare16()] or -** [sqlite3_prepare16_v2()]. +** originally specified as UTF-16 in [sqlite3_prepare16()], +** [sqlite3_prepare16_v2()], or [sqlite3_prepare16_v3()]. ** ** See also: [sqlite3_bind_blob|sqlite3_bind()], ** [sqlite3_bind_parameter_count()], and ** [sqlite3_bind_parameter_index()]. */ SQLITE_API const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int); /* ** CAPI3REF: Index Of A Parameter With A Given Name ** METHOD: sqlite3_stmt ** ** ^Return the index of an SQL parameter given its name. ^The ** index value returned is suitable for use as the second ** parameter to [sqlite3_bind_blob|sqlite3_bind()]. ^A zero ** is returned if no matching parameter is found. ^The parameter ** name must be given in UTF-8 even if the original statement -** was prepared from UTF-16 text using [sqlite3_prepare16_v2()]. +** was prepared from UTF-16 text using [sqlite3_prepare16_v2()] or +** [sqlite3_prepare16_v3()]. ** ** See also: [sqlite3_bind_blob|sqlite3_bind()], ** [sqlite3_bind_parameter_count()], and ** [sqlite3_bind_parameter_name()]. */ SQLITE_API int sqlite3_bind_parameter_index(sqlite3_stmt*, const char *zName); /* @@ -4331,26 +5166,28 @@ SQLITE_API const void *sqlite3_column_or */ SQLITE_API const char *sqlite3_column_decltype(sqlite3_stmt*,int); SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt*,int); /* ** CAPI3REF: Evaluate An SQL Statement ** METHOD: sqlite3_stmt ** -** After a [prepared statement] has been prepared using either -** [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()] or one of the legacy +** After a [prepared statement] has been prepared using any of +** [sqlite3_prepare_v2()], [sqlite3_prepare_v3()], [sqlite3_prepare16_v2()], +** or [sqlite3_prepare16_v3()] or one of the legacy ** interfaces [sqlite3_prepare()] or [sqlite3_prepare16()], this function ** must be called one or more times to evaluate the statement. ** ** The details of the behavior of the sqlite3_step() interface depend -** on whether the statement was prepared using the newer "v2" interface -** [sqlite3_prepare_v2()] and [sqlite3_prepare16_v2()] or the older legacy -** interface [sqlite3_prepare()] and [sqlite3_prepare16()]. The use of the -** new "v2" interface is recommended for new applications but the legacy +** on whether the statement was prepared using the newer "vX" interfaces +** [sqlite3_prepare_v3()], [sqlite3_prepare_v2()], [sqlite3_prepare16_v3()], +** [sqlite3_prepare16_v2()] or the older legacy +** interfaces [sqlite3_prepare()] and [sqlite3_prepare16()]. The use of the +** new "vX" interface is recommended for new applications but the legacy ** interface will continue to be supported. ** ** ^In the legacy interface, the return value will be either [SQLITE_BUSY], ** [SQLITE_DONE], [SQLITE_ROW], [SQLITE_ERROR], or [SQLITE_MISUSE]. ** ^With the "v2" interface, any of the other [result codes] or ** [extended result codes] might be returned as well. ** ** ^[SQLITE_BUSY] means that the database engine was unable to acquire the @@ -4386,35 +5223,36 @@ SQLITE_API const void *sqlite3_column_de ** be the case that the same database connection is being used by two or ** more threads at the same moment in time. ** ** For all versions of SQLite up to and including 3.6.23.1, a call to ** [sqlite3_reset()] was required after sqlite3_step() returned anything ** other than [SQLITE_ROW] before any subsequent invocation of ** sqlite3_step(). Failure to reset the prepared statement using ** [sqlite3_reset()] would result in an [SQLITE_MISUSE] return from -** sqlite3_step(). But after [version 3.6.23.1] ([dateof:3.6.23.1], +** sqlite3_step(). But after [version 3.6.23.1] ([dateof:3.6.23.1]), ** sqlite3_step() began ** calling [sqlite3_reset()] automatically in this circumstance rather ** than returning [SQLITE_MISUSE]. This is not considered a compatibility ** break because any application that ever receives an SQLITE_MISUSE error ** is broken by definition. The [SQLITE_OMIT_AUTORESET] compile-time option ** can be used to restore the legacy behavior. ** ** <b>Goofy Interface Alert:</b> In the legacy interface, the sqlite3_step() ** API always returns a generic error code, [SQLITE_ERROR], following any ** error other than [SQLITE_BUSY] and [SQLITE_MISUSE]. You must call ** [sqlite3_reset()] or [sqlite3_finalize()] in order to find one of the ** specific [error codes] that better describes the error. ** We admit that this is a goofy design. The problem has been fixed ** with the "v2" interface. If you prepare all of your SQL statements -** using either [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()] instead +** using [sqlite3_prepare_v3()] or [sqlite3_prepare_v2()] +** or [sqlite3_prepare16_v2()] or [sqlite3_prepare16_v3()] instead ** of the legacy [sqlite3_prepare()] and [sqlite3_prepare16()] interfaces, ** then the more specific [error codes] are returned directly -** by sqlite3_step(). The use of the "v2" interface is recommended. +** by sqlite3_step(). The use of the "vX" interfaces is recommended. */ SQLITE_API int sqlite3_step(sqlite3_stmt*); /* ** CAPI3REF: Number of columns in a result set ** METHOD: sqlite3_stmt ** ** ^The sqlite3_data_count(P) interface returns the number of columns in the @@ -4466,16 +5304,38 @@ SQLITE_API int sqlite3_data_count(sqlite #endif #define SQLITE3_TEXT 3 /* ** CAPI3REF: Result Values From A Query ** KEYWORDS: {column access functions} ** METHOD: sqlite3_stmt ** +** <b>Summary:</b> +** <blockquote><table border=0 cellpadding=0 cellspacing=0> +** <tr><td><b>sqlite3_column_blob</b><td>→<td>BLOB result +** <tr><td><b>sqlite3_column_double</b><td>→<td>REAL result +** <tr><td><b>sqlite3_column_int</b><td>→<td>32-bit INTEGER result +** <tr><td><b>sqlite3_column_int64</b><td>→<td>64-bit INTEGER result +** <tr><td><b>sqlite3_column_text</b><td>→<td>UTF-8 TEXT result +** <tr><td><b>sqlite3_column_text16</b><td>→<td>UTF-16 TEXT result +** <tr><td><b>sqlite3_column_value</b><td>→<td>The result as an +** [sqlite3_value|unprotected sqlite3_value] object. +** <tr><td> <td> <td> +** <tr><td><b>sqlite3_column_bytes</b><td>→<td>Size of a BLOB +** or a UTF-8 TEXT result in bytes +** <tr><td><b>sqlite3_column_bytes16 </b> +** <td>→ <td>Size of UTF-16 +** TEXT in bytes +** <tr><td><b>sqlite3_column_type</b><td>→<td>Default +** datatype of the result +** </table></blockquote> +** +** <b>Details:</b> +** ** ^These routines return information about a single column of the current ** result row of a query. ^In every case the first argument is a pointer ** to the [prepared statement] that is being evaluated (the [sqlite3_stmt*] ** that was returned from [sqlite3_prepare_v2()] or one of its variants) ** and the second argument is the index of the column for which information ** should be returned. ^The leftmost column of the result set has the index 0. ** ^The number of columns in the result can be determined using ** [sqlite3_column_count()]. @@ -4487,26 +5347,39 @@ SQLITE_API int sqlite3_data_count(sqlite ** [sqlite3_reset()] nor [sqlite3_finalize()] have been called subsequently. ** If any of these routines are called after [sqlite3_reset()] or ** [sqlite3_finalize()] or after [sqlite3_step()] has returned ** something other than [SQLITE_ROW], the results are undefined. ** If [sqlite3_step()] or [sqlite3_reset()] or [sqlite3_finalize()] ** are called from a different thread while any of these routines ** are pending, then the results are undefined. ** +** The first six interfaces (_blob, _double, _int, _int64, _text, and _text16) +** each return the value of a result column in a specific data format. If +** the result column is not initially in the requested format (for example, +** if the query returns an integer but the sqlite3_column_text() interface +** is used to extract the value) then an automatic type conversion is performed. +** ** ^The sqlite3_column_type() routine returns the ** [SQLITE_INTEGER | datatype code] for the initial data type ** of the result column. ^The returned value is one of [SQLITE_INTEGER], -** [SQLITE_FLOAT], [SQLITE_TEXT], [SQLITE_BLOB], or [SQLITE_NULL]. The value -** returned by sqlite3_column_type() is only meaningful if no type -** conversions have occurred as described below. After a type conversion, -** the value returned by sqlite3_column_type() is undefined. Future +** [SQLITE_FLOAT], [SQLITE_TEXT], [SQLITE_BLOB], or [SQLITE_NULL]. +** The return value of sqlite3_column_type() can be used to decide which +** of the first six interface should be used to extract the column value. +** The value returned by sqlite3_column_type() is only meaningful if no +** automatic type conversions have occurred for the value in question. +** After a type conversion, the result of calling sqlite3_column_type() +** is undefined, though harmless. Future ** versions of SQLite may change the behavior of sqlite3_column_type() ** following a type conversion. ** +** If the result is a BLOB or a TEXT string, then the sqlite3_column_bytes() +** or sqlite3_column_bytes16() interfaces can be used to determine the size +** of that BLOB or string. +** ** ^If the result is a BLOB or UTF-8 string then the sqlite3_column_bytes() ** routine returns the number of bytes in that BLOB or string. ** ^If the result is a UTF-16 string, then sqlite3_column_bytes() converts ** the string to UTF-8 and then returns the number of bytes. ** ^If the result is a numeric value then sqlite3_column_bytes() uses ** [sqlite3_snprintf()] to convert that value to a UTF-8 string and returns ** the number of bytes in that string. ** ^If the result is NULL, then sqlite3_column_bytes() returns zero. @@ -4533,19 +5406,23 @@ SQLITE_API int sqlite3_data_count(sqlite ** <b>Warning:</b> ^The object returned by [sqlite3_column_value()] is an ** [unprotected sqlite3_value] object. In a multithreaded environment, ** an unprotected sqlite3_value object may only be used safely with ** [sqlite3_bind_value()] and [sqlite3_result_value()]. ** If the [unprotected sqlite3_value] object returned by ** [sqlite3_column_value()] is used in any other way, including calls ** to routines like [sqlite3_value_int()], [sqlite3_value_text()], ** or [sqlite3_value_bytes()], the behavior is not threadsafe. -** -** These routines attempt to convert the value where appropriate. ^For -** example, if the internal representation is FLOAT and a text result +** Hence, the sqlite3_column_value() interface +** is normally only useful within the implementation of +** [application-defined SQL functions] or [virtual tables], not within +** top-level application code. +** +** The these routines may attempt to convert the datatype of the result. +** ^For example, if the internal representation is FLOAT and a text result ** is requested, [sqlite3_snprintf()] is used internally to perform the ** conversion automatically. ^(The following table details the conversions ** that are applied: ** ** <blockquote> ** <table border="1"> ** <tr><th> Internal<br>Type <th> Requested<br>Type <th> Conversion ** @@ -4607,36 +5484,36 @@ SQLITE_API int sqlite3_data_count(sqlite ** sqlite3_column_bytes16() to find the size of the result. Do not mix calls ** to sqlite3_column_text() or sqlite3_column_blob() with calls to ** sqlite3_column_bytes16(), and do not mix calls to sqlite3_column_text16() ** with calls to sqlite3_column_bytes(). ** ** ^The pointers returned are valid until a type conversion occurs as ** described above, or until [sqlite3_step()] or [sqlite3_reset()] or ** [sqlite3_finalize()] is called. ^The memory space used to hold strings -** and BLOBs is freed automatically. Do <em>not</em> pass the pointers returned +** and BLOBs is freed automatically. Do not pass the pointers returned ** from [sqlite3_column_blob()], [sqlite3_column_text()], etc. into ** [sqlite3_free()]. ** ** ^(If a memory allocation error occurs during the evaluation of any ** of these routines, a default value is returned. The default value ** is either the integer 0, the floating point number 0.0, or a NULL ** pointer. Subsequent calls to [sqlite3_errcode()] will return ** [SQLITE_NOMEM].)^ */ SQLITE_API const void *sqlite3_column_blob(sqlite3_stmt*, int iCol); -SQLITE_API int sqlite3_column_bytes(sqlite3_stmt*, int iCol); -SQLITE_API int sqlite3_column_bytes16(sqlite3_stmt*, int iCol); SQLITE_API double sqlite3_column_double(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_int(sqlite3_stmt*, int iCol); SQLITE_API sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol); SQLITE_API const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol); SQLITE_API const void *sqlite3_column_text16(sqlite3_stmt*, int iCol); +SQLITE_API sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol); +SQLITE_API int sqlite3_column_bytes(sqlite3_stmt*, int iCol); +SQLITE_API int sqlite3_column_bytes16(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_type(sqlite3_stmt*, int iCol); -SQLITE_API sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol); /* ** CAPI3REF: Destroy A Prepared Statement Object ** DESTRUCTOR: sqlite3_stmt ** ** ^The sqlite3_finalize() function is called to delete a [prepared statement]. ** ^If the most recent evaluation of the statement encountered no errors ** or if the statement is never been evaluated, then sqlite3_finalize() returns @@ -4860,41 +5737,78 @@ SQLITE_API SQLITE_DEPRECATED void sqlite SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int64,int), void*,sqlite3_int64); #endif /* ** CAPI3REF: Obtaining SQL Values ** METHOD: sqlite3_value ** -** The C-language implementation of SQL functions and aggregates uses -** this set of interface routines to access the parameter values on -** the function or aggregate. -** -** The xFunc (for scalar functions) or xStep (for aggregates) parameters -** to [sqlite3_create_function()] and [sqlite3_create_function16()] -** define callbacks that implement the SQL functions and aggregates. -** The 3rd parameter to these callbacks is an array of pointers to -** [protected sqlite3_value] objects. There is one [sqlite3_value] object for -** each parameter to the SQL function. These routines are used to -** extract values from the [sqlite3_value] objects. +** <b>Summary:</b> +** <blockquote><table border=0 cellpadding=0 cellspacing=0> +** <tr><td><b>sqlite3_value_blob</b><td>→<td>BLOB value +** <tr><td><b>sqlite3_value_double</b><td>→<td>REAL value +** <tr><td><b>sqlite3_value_int</b><td>→<td>32-bit INTEGER value +** <tr><td><b>sqlite3_value_int64</b><td>→<td>64-bit INTEGER value +** <tr><td><b>sqlite3_value_pointer</b><td>→<td>Pointer value +** <tr><td><b>sqlite3_value_text</b><td>→<td>UTF-8 TEXT value +** <tr><td><b>sqlite3_value_text16</b><td>→<td>UTF-16 TEXT value in +** the native byteorder +** <tr><td><b>sqlite3_value_text16be</b><td>→<td>UTF-16be TEXT value +** <tr><td><b>sqlite3_value_text16le</b><td>→<td>UTF-16le TEXT value +** <tr><td> <td> <td> +** <tr><td><b>sqlite3_value_bytes</b><td>→<td>Size of a BLOB +** or a UTF-8 TEXT in bytes +** <tr><td><b>sqlite3_value_bytes16 </b> +** <td>→ <td>Size of UTF-16 +** TEXT in bytes +** <tr><td><b>sqlite3_value_type</b><td>→<td>Default +** datatype of the value +** <tr><td><b>sqlite3_value_numeric_type </b> +** <td>→ <td>Best numeric datatype of the value +** </table></blockquote> +** +** <b>Details:</b> +** +** These routines extract type, size, and content information from +** [protected sqlite3_value] objects. Protected sqlite3_value objects +** are used to pass parameter information into implementation of +** [application-defined SQL functions] and [virtual tables]. ** ** These routines work only with [protected sqlite3_value] objects. ** Any attempt to use these routines on an [unprotected sqlite3_value] -** object results in undefined behavior. +** is not threadsafe. ** ** ^These routines work just like the corresponding [column access functions] ** except that these routines take a single [protected sqlite3_value] object ** pointer instead of a [sqlite3_stmt*] pointer and an integer column number. ** ** ^The sqlite3_value_text16() interface extracts a UTF-16 string ** in the native byte-order of the host machine. ^The ** sqlite3_value_text16be() and sqlite3_value_text16le() interfaces ** extract UTF-16 strings as big-endian and little-endian respectively. ** +** ^If [sqlite3_value] object V was initialized +** using [sqlite3_bind_pointer(S,I,P,X,D)] or [sqlite3_result_pointer(C,P,X,D)] +** and if X and Y are strings that compare equal according to strcmp(X,Y), +** then sqlite3_value_pointer(V,Y) will return the pointer P. ^Otherwise, +** sqlite3_value_pointer(V,Y) returns a NULL. The sqlite3_bind_pointer() +** routine is part of the [pointer passing interface] added for SQLite 3.20.0. +** +** ^(The sqlite3_value_type(V) interface returns the +** [SQLITE_INTEGER | datatype code] for the initial datatype of the +** [sqlite3_value] object V. The returned value is one of [SQLITE_INTEGER], +** [SQLITE_FLOAT], [SQLITE_TEXT], [SQLITE_BLOB], or [SQLITE_NULL].)^ +** Other interfaces might change the datatype for an sqlite3_value object. +** For example, if the datatype is initially SQLITE_INTEGER and +** sqlite3_value_text(V) is called to extract a text value for that +** integer, then subsequent calls to sqlite3_value_type(V) might return +** SQLITE_TEXT. Whether or not a persistent internal datatype conversion +** occurs is undefined and may change from one release of SQLite to the next. +** ** ^(The sqlite3_value_numeric_type() interface attempts to apply ** numeric affinity to the value. This means that an attempt is ** made to convert the value to an integer or floating point. If ** such a conversion is possible without loss of information (in other ** words, if the value is a string that looks like a number) ** then the conversion is performed. Otherwise no conversion occurs. ** The [SQLITE_INTEGER | datatype] after conversion is returned.)^ ** @@ -4903,41 +5817,38 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3 ** [sqlite3_value_text16()] can be invalidated by a subsequent call to ** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()], ** or [sqlite3_value_text16()]. ** ** These routines must be called from the same thread as ** the SQL function that supplied the [sqlite3_value*] parameters. */ SQLITE_API const void *sqlite3_value_blob(sqlite3_value*); -SQLITE_API int sqlite3_value_bytes(sqlite3_value*); -SQLITE_API int sqlite3_value_bytes16(sqlite3_value*); SQLITE_API double sqlite3_value_double(sqlite3_value*); SQLITE_API int sqlite3_value_int(sqlite3_value*); SQLITE_API sqlite3_int64 sqlite3_value_int64(sqlite3_value*); +SQLITE_API void *sqlite3_value_pointer(sqlite3_value*, const char*); SQLITE_API const unsigned char *sqlite3_value_text(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16le(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16be(sqlite3_value*); +SQLITE_API int sqlite3_value_bytes(sqlite3_value*); +SQLITE_API int sqlite3_value_bytes16(sqlite3_value*); SQLITE_API int sqlite3_value_type(sqlite3_value*); SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); /* ** CAPI3REF: Finding The Subtype Of SQL Values ** METHOD: sqlite3_value ** ** The sqlite3_value_subtype(V) function returns the subtype for ** an [application-defined SQL function] argument V. The subtype ** information can be used to pass a limited amount of context from ** one SQL function to another. Use the [sqlite3_result_subtype()] ** routine to set the subtype for the return value of an SQL function. -** -** SQLite makes no use of subtype itself. It merely passes the subtype -** from the result of one [application-defined SQL function] into the -** input of another. */ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); /* ** CAPI3REF: Copy And Free SQL Values ** METHOD: sqlite3_value ** ** ^The sqlite3_value_dup(V) interface makes a copy of the [sqlite3_value] @@ -5197,29 +6108,40 @@ typedef void (*sqlite3_destructor_type)( ** finished using that result. ** ^If the 4th parameter to the sqlite3_result_text* interfaces or to ** sqlite3_result_blob is the special constant SQLITE_STATIC, then SQLite ** assumes that the text or BLOB result is in constant space and does not ** copy the content of the parameter nor call a destructor on the content ** when it has finished using that result. ** ^If the 4th parameter to the sqlite3_result_text* interfaces ** or sqlite3_result_blob is the special constant SQLITE_TRANSIENT -** then SQLite makes a copy of the result into space obtained from +** then SQLite makes a copy of the result into space obtained ** from [sqlite3_malloc()] before it returns. ** ** ^The sqlite3_result_value() interface sets the result of ** the application-defined function to be a copy of the ** [unprotected sqlite3_value] object specified by the 2nd parameter. ^The ** sqlite3_result_value() interface makes a copy of the [sqlite3_value] ** so that the [sqlite3_value] specified in the parameter may change or ** be deallocated after sqlite3_result_value() returns without harm. ** ^A [protected sqlite3_value] object may always be used where an ** [unprotected sqlite3_value] object is required, so either ** kind of [sqlite3_value] object can be used with this interface. ** +** ^The sqlite3_result_pointer(C,P,T,D) interface sets the result to an +** SQL NULL value, just like [sqlite3_result_null(C)], except that it +** also associates the host-language pointer P or type T with that +** NULL value such that the pointer can be retrieved within an +** [application-defined SQL function] using [sqlite3_value_pointer()]. +** ^If the D parameter is not NULL, then it is a pointer to a destructor +** for the P parameter. ^SQLite invokes D with P as its only argument +** when SQLite is finished with P. The T parameter should be a static +** string and preferably a string literal. The sqlite3_result_pointer() +** routine is part of the [pointer passing interface] added for SQLite 3.20.0. +** ** If these routines are called from within the different thread ** than the one containing the application-defined function that received ** the [sqlite3_context] pointer, the results are undefined. */ SQLITE_API void sqlite3_result_blob(sqlite3_context*, const void*, int, void(*)(void*)); SQLITE_API void sqlite3_result_blob64(sqlite3_context*,const void*, sqlite3_uint64,void(*)(void*)); SQLITE_API void sqlite3_result_double(sqlite3_context*, double); @@ -5233,16 +6155,17 @@ SQLITE_API void sqlite3_result_int64(sql SQLITE_API void sqlite3_result_null(sqlite3_context*); SQLITE_API void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*)); SQLITE_API void sqlite3_result_text64(sqlite3_context*, const char*,sqlite3_uint64, void(*)(void*), unsigned char encoding); SQLITE_API void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); SQLITE_API void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); SQLITE_API void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); SQLITE_API void sqlite3_result_value(sqlite3_context*, sqlite3_value*); +SQLITE_API void sqlite3_result_pointer(sqlite3_context*, void*,const char*,void(*)(void*)); SQLITE_API void sqlite3_result_zeroblob(sqlite3_context*, int n); SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); /* ** CAPI3REF: Setting The Subtype Of An SQL Function ** METHOD: sqlite3_context ** @@ -5892,17 +6815,19 @@ SQLITE_API SQLITE_DEPRECATED void sqlite ** on [database connection] X.)^ ^The sqlite3_table_column_metadata() ** interface returns SQLITE_OK and fills in the non-NULL pointers in ** the final five arguments with appropriate values if the specified ** column exists. ^The sqlite3_table_column_metadata() interface returns ** SQLITE_ERROR and if the specified column does not exist. ** ^If the column-name parameter to sqlite3_table_column_metadata() is a ** NULL pointer, then this routine simply checks for the existence of the ** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it -** does not. +** does not. If the table name parameter T in a call to +** sqlite3_table_column_metadata(X,D,T,C,...) is NULL then the result is +** undefined behavior. ** ** ^The column is identified by the second, third and fourth parameters to ** this function. ^(The second parameter is either the name of the database ** (i.e. "main", "temp", or an attached database) containing the specified ** table or NULL.)^ ^If it is NULL, then all attached databases are searched ** for the table using the same algorithm used by the database engine to ** resolve unqualified table references. ** @@ -7405,23 +8330,44 @@ SQLITE_API int sqlite3_stmt_status(sqlit ** ** [[SQLITE_STMTSTATUS_VM_STEP]] <dt>SQLITE_STMTSTATUS_VM_STEP</dt> ** <dd>^This is the number of virtual machine operations executed ** by the prepared statement if that number is less than or equal ** to 2147483647. The number of virtual machine operations can be ** used as a proxy for the total work done by the prepared statement. ** If the number of virtual machine operations exceeds 2147483647 ** then the value returned by this statement status code is undefined. +** +** [[SQLITE_STMTSTATUS_REPREPARE]] <dt>SQLITE_STMTSTATUS_REPREPARE</dt> +** <dd>^This is the number of times that the prepare statement has been +** automatically regenerated due to schema changes or change to +** [bound parameters] that might affect the query plan. +** +** [[SQLITE_STMTSTATUS_RUN]] <dt>SQLITE_STMTSTATUS_RUN</dt> +** <dd>^This is the number of times that the prepared statement has +** been run. A single "run" for the purposes of this counter is one +** or more calls to [sqlite3_step()] followed by a call to [sqlite3_reset()]. +** The counter is incremented on the first [sqlite3_step()] call of each +** cycle. +** +** [[SQLITE_STMTSTATUS_MEMUSED]] <dt>SQLITE_STMTSTATUS_MEMUSED</dt> +** <dd>^This is the approximate number of bytes of heap memory +** used to store the prepared statement. ^This value is not actually +** a counter, and so the resetFlg parameter to sqlite3_stmt_status() +** is ignored when the opcode is SQLITE_STMTSTATUS_MEMUSED. ** </dd> ** </dl> */ #define SQLITE_STMTSTATUS_FULLSCAN_STEP 1 #define SQLITE_STMTSTATUS_SORT 2 #define SQLITE_STMTSTATUS_AUTOINDEX 3 #define SQLITE_STMTSTATUS_VM_STEP 4 +#define SQLITE_STMTSTATUS_REPREPARE 5 +#define SQLITE_STMTSTATUS_RUN 6 +#define SQLITE_STMTSTATUS_MEMUSED 99 /* ** CAPI3REF: Custom Page Cache Object ** ** The sqlite3_pcache type is opaque. It is implemented by ** the pluggable module. The SQLite core has no knowledge of ** its size or internal structure and never deals with the ** sqlite3_pcache object except by holding and passing pointers @@ -10778,18 +11724,19 @@ struct fts5_api { /************** End of sqlite3.h *********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build */ -#ifdef _HAVE_SQLITE_CONFIG_H -#include "config.h" +#if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) +/* #include "config.h" */ +#define SQLITECONFIG_H 1 #endif /************** Include sqliteLimit.h in the middle of sqliteInt.h ***********/ /************** Begin file sqliteLimit.h *************************************/ /* ** 2007 May 7 ** ** The author disclaims copyright to this source code. In place of @@ -11089,16 +12036,21 @@ struct fts5_api { ** 0 means mutexes are permanently disable and the library is never ** threadsafe. 1 means the library is serialized which is the highest ** level of threadsafety. 2 means the library is multithreaded - multiple ** threads can use SQLite as long as no two threads try to use the same ** database connection at the same time. ** ** Older versions of SQLite used an optional THREADSAFE macro. ** We support that for legacy. +** +** To ensure that the correct value of "THREADSAFE" is reported when querying +** for compile-time options at runtime (e.g. "PRAGMA compile_options"), this +** logic is partially replicated in ctime.c. If it is updated here, it should +** also be updated there. */ #if !defined(SQLITE_THREADSAFE) # if defined(THREADSAFE) # define SQLITE_THREADSAFE THREADSAFE # else # define SQLITE_THREADSAFE 1 /* IMP: R-07272-22309 */ # endif #endif @@ -11679,17 +12631,16 @@ SQLITE_PRIVATE void sqlite3HashClear(Has #endif /* ** Provide a default value for SQLITE_TEMP_STORE in case it is not specified ** on the command-line */ #ifndef SQLITE_TEMP_STORE # define SQLITE_TEMP_STORE 1 -# define SQLITE_TEMP_STORE_xc 1 /* Exclude from ctime.c */ #endif /* ** If no value has been provided for SQLITE_MAX_WORKER_THREADS, or if ** SQLITE_TEMP_STORE is set to 3 (never use temporary files), set it ** to zero. */ #if SQLITE_TEMP_STORE==3 || SQLITE_THREADSAFE==0 @@ -11980,27 +12931,25 @@ typedef INT16_TYPE LogEst; || (defined(__APPLE__) && defined(__MACH__)) \ || defined(__sun) \ || defined(__FreeBSD__) \ || defined(__DragonFly__) # define SQLITE_MAX_MMAP_SIZE 0x7fff0000 /* 2147418112 */ # else # define SQLITE_MAX_MMAP_SIZE 0 # endif -# define SQLITE_MAX_MMAP_SIZE_xc 1 /* exclude from ctime.c */ #endif /* ** The default MMAP_SIZE is zero on all platforms. Or, even if a larger ** default MMAP_SIZE is specified at compile-time, make sure that it does ** not exceed the maximum mmap size. */ #ifndef SQLITE_DEFAULT_MMAP_SIZE # define SQLITE_DEFAULT_MMAP_SIZE 0 -# define SQLITE_DEFAULT_MMAP_SIZE_xc 1 /* Exclude from ctime.c */ #endif #if SQLITE_DEFAULT_MMAP_SIZE>SQLITE_MAX_MMAP_SIZE # undef SQLITE_DEFAULT_MMAP_SIZE # define SQLITE_DEFAULT_MMAP_SIZE SQLITE_MAX_MMAP_SIZE #endif /* ** Only one of SQLITE_ENABLE_STAT3 or SQLITE_ENABLE_STAT4 can be defined. @@ -12475,19 +13424,19 @@ struct BtreePayload { int nData; /* Size of pData. 0 if none. */ int nZero; /* Extra zero data appended after pData,nData */ }; SQLITE_PRIVATE int sqlite3BtreeInsert(BtCursor*, const BtreePayload *pPayload, int flags, int seekResult); SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes); -SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int *pRes); +SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int flags); SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*); -SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int *pRes); +SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*); SQLITE_PRIVATE struct Pager *sqlite3BtreePager(Btree*); SQLITE_PRIVATE i64 sqlite3BtreeRowCountEst(BtCursor*); @@ -12628,17 +13577,17 @@ struct VdbeOp { VTable *pVtab; /* Used when p4type is P4_VTAB */ KeyInfo *pKeyInfo; /* Used when p4type is P4_KEYINFO */ int *ai; /* Used when p4type is P4_INTARRAY */ SubProgram *pProgram; /* Used when p4type is P4_SUBPROGRAM */ Table *pTab; /* Used when p4type is P4_TABLE */ #ifdef SQLITE_ENABLE_CURSOR_HINTS Expr *pExpr; /* Used when p4type is P4_EXPR */ #endif - int (*xAdvance)(BtCursor *, int *); + int (*xAdvance)(BtCursor *, int); } p4; #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS char *zComment; /* Comment to improve readability */ #endif #ifdef VDBE_PROFILE u32 cnt; /* Number of times this instruction was executed */ u64 cycles; /* Total time spent executing this instruction */ #endif @@ -12672,34 +13621,36 @@ struct VdbeOpList { signed char p2; /* Second parameter (often the jump destination) */ signed char p3; /* Third parameter */ }; typedef struct VdbeOpList VdbeOpList; /* ** Allowed values of VdbeOp.p4type */ -#define P4_NOTUSED 0 /* The P4 parameter is not used */ -#define P4_DYNAMIC (-1) /* Pointer to a string obtained from sqliteMalloc() */ -#define P4_STATIC (-2) /* Pointer to a static string */ -#define P4_COLLSEQ (-3) /* P4 is a pointer to a CollSeq structure */ -#define P4_FUNCDEF (-4) /* P4 is a pointer to a FuncDef structure */ -#define P4_KEYINFO (-5) /* P4 is a pointer to a KeyInfo structure */ -#define P4_EXPR (-6) /* P4 is a pointer to an Expr tree */ -#define P4_MEM (-7) /* P4 is a pointer to a Mem* structure */ -#define P4_TRANSIENT 0 /* P4 is a pointer to a transient string */ -#define P4_VTAB (-8) /* P4 is a pointer to an sqlite3_vtab structure */ -#define P4_REAL (-9) /* P4 is a 64-bit floating point value */ -#define P4_INT64 (-10) /* P4 is a 64-bit signed integer */ -#define P4_INT32 (-11) /* P4 is a 32-bit signed integer */ -#define P4_INTARRAY (-12) /* P4 is a vector of 32-bit integers */ -#define P4_SUBPROGRAM (-13) /* P4 is a pointer to a SubProgram structure */ -#define P4_ADVANCE (-14) /* P4 is a pointer to BtreeNext() or BtreePrev() */ -#define P4_TABLE (-15) /* P4 is a pointer to a Table structure */ -#define P4_FUNCCTX (-16) /* P4 is a pointer to an sqlite3_context object */ +#define P4_NOTUSED 0 /* The P4 parameter is not used */ +#define P4_TRANSIENT 0 /* P4 is a pointer to a transient string */ +#define P4_STATIC (-1) /* Pointer to a static string */ +#define P4_COLLSEQ (-2) /* P4 is a pointer to a CollSeq structure */ +#define P4_INT32 (-3) /* P4 is a 32-bit signed integer */ +#define P4_SUBPROGRAM (-4) /* P4 is a pointer to a SubProgram structure */ +#define P4_ADVANCE (-5) /* P4 is a pointer to BtreeNext() or BtreePrev() */ +#define P4_TABLE (-6) /* P4 is a pointer to a Table structure */ +/* Above do not own any resources. Must free those below */ +#define P4_FREE_IF_LE (-7) +#define P4_DYNAMIC (-7) /* Pointer to memory from sqliteMalloc() */ +#define P4_FUNCDEF (-8) /* P4 is a pointer to a FuncDef structure */ +#define P4_KEYINFO (-9) /* P4 is a pointer to a KeyInfo structure */ +#define P4_EXPR (-10) /* P4 is a pointer to an Expr tree */ +#define P4_MEM (-11) /* P4 is a pointer to a Mem* structure */ +#define P4_VTAB (-12) /* P4 is a pointer to an sqlite3_vtab structure */ +#define P4_REAL (-13) /* P4 is a 64-bit floating point value */ +#define P4_INT64 (-14) /* P4 is a 64-bit signed integer */ +#define P4_INTARRAY (-15) /* P4 is a vector of 32-bit integers */ +#define P4_FUNCCTX (-16) /* P4 is a pointer to an sqlite3_context object */ /* Error message codes for OP_Halt */ #define P5_ConstraintNotNull 1 #define P5_ConstraintUnique 2 #define P5_ConstraintCheck 3 #define P5_ConstraintFK 4 /* @@ -12801,22 +13752,22 @@ typedef struct VdbeOpList VdbeOpList; #define OP_Blob 61 /* synopsis: r[P2]=P4 (len=P1) */ #define OP_Variable 62 /* synopsis: r[P2]=parameter(P1,P4) */ #define OP_Move 63 /* synopsis: r[P2@P3]=r[P1@P3] */ #define OP_Copy 64 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ #define OP_SCopy 65 /* synopsis: r[P2]=r[P1] */ #define OP_IntCopy 66 /* synopsis: r[P2]=r[P1] */ #define OP_ResultRow 67 /* synopsis: output=r[P1@P2] */ #define OP_CollSeq 68 -#define OP_Function0 69 /* synopsis: r[P3]=func(r[P2@P5]) */ +#define OP_AddImm 69 /* synopsis: r[P1]=r[P1]+P2 */ #define OP_Or 70 /* same as TK_OR, synopsis: r[P3]=(r[P1] || r[P2]) */ #define OP_And 71 /* same as TK_AND, synopsis: r[P3]=(r[P1] && r[P2]) */ -#define OP_Function 72 /* synopsis: r[P3]=func(r[P2@P5]) */ -#define OP_AddImm 73 /* synopsis: r[P1]=r[P1]+P2 */ -#define OP_RealAffinity 74 +#define OP_RealAffinity 72 +#define OP_Cast 73 /* synopsis: affinity(r[P1]) */ +#define OP_Permutation 74 #define OP_IsNull 75 /* same as TK_ISNULL, synopsis: if r[P1]==NULL goto P2 */ #define OP_NotNull 76 /* same as TK_NOTNULL, synopsis: if r[P1]!=NULL goto P2 */ #define OP_Ne 77 /* same as TK_NE, synopsis: IF r[P3]!=r[P1] */ #define OP_Eq 78 /* same as TK_EQ, synopsis: IF r[P3]==r[P1] */ #define OP_Gt 79 /* same as TK_GT, synopsis: IF r[P3]>r[P1] */ #define OP_Le 80 /* same as TK_LE, synopsis: IF r[P3]<=r[P1] */ #define OP_Lt 81 /* same as TK_LT, synopsis: IF r[P3]<r[P1] */ #define OP_Ge 82 /* same as TK_GE, synopsis: IF r[P3]>=r[P1] */ @@ -12826,88 +13777,90 @@ typedef struct VdbeOpList VdbeOpList; #define OP_ShiftLeft 86 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<<r[P1] */ #define OP_ShiftRight 87 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */ #define OP_Add 88 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ #define OP_Subtract 89 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ #define OP_Multiply 90 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ #define OP_Divide 91 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ #define OP_Remainder 92 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ #define OP_Concat 93 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ -#define OP_Cast 94 /* synopsis: affinity(r[P1]) */ +#define OP_Compare 94 /* synopsis: r[P1@P3] <-> r[P2@P3] */ #define OP_BitNot 95 /* same as TK_BITNOT, synopsis: r[P1]= ~r[P1] */ -#define OP_Permutation 96 +#define OP_Column 96 /* synopsis: r[P3]=PX */ #define OP_String8 97 /* same as TK_STRING, synopsis: r[P2]='P4' */ -#define OP_Compare 98 /* synopsis: r[P1@P3] <-> r[P2@P3] */ -#define OP_Column 99 /* synopsis: r[P3]=PX */ -#define OP_Affinity 100 /* synopsis: affinity(r[P1@P2]) */ -#define OP_MakeRecord 101 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ -#define OP_Count 102 /* synopsis: r[P2]=count() */ -#define OP_ReadCookie 103 -#define OP_SetCookie 104 -#define OP_ReopenIdx 105 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenRead 106 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenWrite 107 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenDup 108 -#define OP_OpenAutoindex 109 /* synopsis: nColumn=P2 */ -#define OP_OpenEphemeral 110 /* synopsis: nColumn=P2 */ -#define OP_SorterOpen 111 -#define OP_SequenceTest 112 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ -#define OP_OpenPseudo 113 /* synopsis: P3 columns in r[P2] */ -#define OP_Close 114 -#define OP_ColumnsUsed 115 -#define OP_Sequence 116 /* synopsis: r[P2]=cursor[P1].ctr++ */ -#define OP_NewRowid 117 /* synopsis: r[P2]=rowid */ -#define OP_Insert 118 /* synopsis: intkey=r[P3] data=r[P2] */ -#define OP_InsertInt 119 /* synopsis: intkey=P3 data=r[P2] */ -#define OP_Delete 120 -#define OP_ResetCount 121 -#define OP_SorterCompare 122 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ -#define OP_SorterData 123 /* synopsis: r[P2]=data */ -#define OP_RowData 124 /* synopsis: r[P2]=data */ -#define OP_Rowid 125 /* synopsis: r[P2]=rowid */ -#define OP_NullRow 126 -#define OP_SorterInsert 127 /* synopsis: key=r[P2] */ -#define OP_IdxInsert 128 /* synopsis: key=r[P2] */ -#define OP_IdxDelete 129 /* synopsis: key=r[P2@P3] */ -#define OP_Seek 130 /* synopsis: Move P3 to P1.rowid */ -#define OP_IdxRowid 131 /* synopsis: r[P2]=rowid */ +#define OP_Affinity 98 /* synopsis: affinity(r[P1@P2]) */ +#define OP_MakeRecord 99 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ +#define OP_Count 100 /* synopsis: r[P2]=count() */ +#define OP_ReadCookie 101 +#define OP_SetCookie 102 +#define OP_ReopenIdx 103 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenRead 104 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenWrite 105 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenDup 106 +#define OP_OpenAutoindex 107 /* synopsis: nColumn=P2 */ +#define OP_OpenEphemeral 108 /* synopsis: nColumn=P2 */ +#define OP_SorterOpen 109 +#define OP_SequenceTest 110 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ +#define OP_OpenPseudo 111 /* synopsis: P3 columns in r[P2] */ +#define OP_Close 112 +#define OP_ColumnsUsed 113 +#define OP_Sequence 114 /* synopsis: r[P2]=cursor[P1].ctr++ */ +#define OP_NewRowid 115 /* synopsis: r[P2]=rowid */ +#define OP_Insert 116 /* synopsis: intkey=r[P3] data=r[P2] */ +#define OP_InsertInt 117 /* synopsis: intkey=P3 data=r[P2] */ +#define OP_Delete 118 +#define OP_ResetCount 119 +#define OP_SorterCompare 120 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ +#define OP_SorterData 121 /* synopsis: r[P2]=data */ +#define OP_RowData 122 /* synopsis: r[P2]=data */ +#define OP_Rowid 123 /* synopsis: r[P2]=rowid */ +#define OP_NullRow 124 +#define OP_SorterInsert 125 /* synopsis: key=r[P2] */ +#define OP_IdxInsert 126 /* synopsis: key=r[P2] */ +#define OP_IdxDelete 127 /* synopsis: key=r[P2@P3] */ +#define OP_DeferredSeek 128 /* synopsis: Move P3 to P1.rowid if needed */ +#define OP_IdxRowid 129 /* synopsis: r[P2]=rowid */ +#define OP_Destroy 130 +#define OP_Clear 131 #define OP_Real 132 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ -#define OP_Destroy 133 -#define OP_Clear 134 -#define OP_ResetSorter 135 -#define OP_CreateIndex 136 /* synopsis: r[P2]=root iDb=P1 */ -#define OP_CreateTable 137 /* synopsis: r[P2]=root iDb=P1 */ -#define OP_SqlExec 138 -#define OP_ParseSchema 139 -#define OP_LoadAnalysis 140 -#define OP_DropTable 141 -#define OP_DropIndex 142 -#define OP_DropTrigger 143 -#define OP_IntegrityCk 144 -#define OP_RowSetAdd 145 /* synopsis: rowset(P1)=r[P2] */ -#define OP_Param 146 -#define OP_FkCounter 147 /* synopsis: fkctr[P1]+=P2 */ -#define OP_MemMax 148 /* synopsis: r[P1]=max(r[P1],r[P2]) */ -#define OP_OffsetLimit 149 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ -#define OP_AggStep0 150 /* synopsis: accum=r[P3] step(r[P2@P5]) */ -#define OP_AggStep 151 /* synopsis: accum=r[P3] step(r[P2@P5]) */ -#define OP_AggFinal 152 /* synopsis: accum=r[P1] N=P2 */ -#define OP_Expire 153 -#define OP_TableLock 154 /* synopsis: iDb=P1 root=P2 write=P3 */ -#define OP_VBegin 155 -#define OP_VCreate 156 -#define OP_VDestroy 157 -#define OP_VOpen 158 -#define OP_VColumn 159 /* synopsis: r[P3]=vcolumn(P2) */ -#define OP_VRename 160 -#define OP_Pagecount 161 -#define OP_MaxPgcnt 162 -#define OP_CursorHint 163 -#define OP_Noop 164 -#define OP_Explain 165 +#define OP_ResetSorter 133 +#define OP_CreateIndex 134 /* synopsis: r[P2]=root iDb=P1 */ +#define OP_CreateTable 135 /* synopsis: r[P2]=root iDb=P1 */ +#define OP_SqlExec 136 +#define OP_ParseSchema 137 +#define OP_LoadAnalysis 138 +#define OP_DropTable 139 +#define OP_DropIndex 140 +#define OP_DropTrigger 141 +#define OP_IntegrityCk 142 +#define OP_RowSetAdd 143 /* synopsis: rowset(P1)=r[P2] */ +#define OP_Param 144 +#define OP_FkCounter 145 /* synopsis: fkctr[P1]+=P2 */ +#define OP_MemMax 146 /* synopsis: r[P1]=max(r[P1],r[P2]) */ +#define OP_OffsetLimit 147 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ +#define OP_AggStep0 148 /* synopsis: accum=r[P3] step(r[P2@P5]) */ +#define OP_AggStep 149 /* synopsis: accum=r[P3] step(r[P2@P5]) */ +#define OP_AggFinal 150 /* synopsis: accum=r[P1] N=P2 */ +#define OP_Expire 151 +#define OP_TableLock 152 /* synopsis: iDb=P1 root=P2 write=P3 */ +#define OP_VBegin 153 +#define OP_VCreate 154 +#define OP_VDestroy 155 +#define OP_VOpen 156 +#define OP_VColumn 157 /* synopsis: r[P3]=vcolumn(P2) */ +#define OP_VRename 158 +#define OP_Pagecount 159 +#define OP_MaxPgcnt 160 +#define OP_PureFunc0 161 +#define OP_Function0 162 /* synopsis: r[P3]=func(r[P2@P5]) */ +#define OP_PureFunc 163 +#define OP_Function 164 /* synopsis: r[P3]=func(r[P2@P5]) */ +#define OP_CursorHint 165 +#define OP_Noop 166 +#define OP_Explain 167 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c ** are encoded into bitvectors as follows: */ #define OPFLG_JUMP 0x01 /* jump: P2 holds jmp target */ #define OPFLG_IN1 0x02 /* in1: P1 is an input */ #define OPFLG_IN2 0x04 /* in2: P2 is an input */ @@ -12918,42 +13871,49 @@ typedef struct VdbeOpList VdbeOpList; /* 0 */ 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01,\ /* 8 */ 0x00, 0x10, 0x00, 0x01, 0x00, 0x01, 0x01, 0x01,\ /* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x03, 0x03, 0x01,\ /* 24 */ 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09,\ /* 32 */ 0x09, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ /* 40 */ 0x01, 0x01, 0x23, 0x0b, 0x01, 0x01, 0x03, 0x03,\ /* 48 */ 0x03, 0x01, 0x01, 0x01, 0x02, 0x02, 0x08, 0x00,\ /* 56 */ 0x10, 0x10, 0x10, 0x10, 0x00, 0x10, 0x10, 0x00,\ -/* 64 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x26, 0x26,\ -/* 72 */ 0x00, 0x02, 0x02, 0x03, 0x03, 0x0b, 0x0b, 0x0b,\ +/* 64 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x02, 0x26, 0x26,\ +/* 72 */ 0x02, 0x02, 0x00, 0x03, 0x03, 0x0b, 0x0b, 0x0b,\ /* 80 */ 0x0b, 0x0b, 0x0b, 0x01, 0x26, 0x26, 0x26, 0x26,\ -/* 88 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x02, 0x12,\ -/* 96 */ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\ +/* 88 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x00, 0x12,\ +/* 96 */ 0x00, 0x10, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,\ /* 104 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 112 */ 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,\ -/* 120 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x04,\ -/* 128 */ 0x04, 0x00, 0x00, 0x10, 0x10, 0x10, 0x00, 0x00,\ -/* 136 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 144 */ 0x00, 0x06, 0x10, 0x00, 0x04, 0x1a, 0x00, 0x00,\ -/* 152 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 160 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00,} +/* 112 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,\ +/* 120 */ 0x00, 0x00, 0x00, 0x10, 0x00, 0x04, 0x04, 0x00,\ +/* 128 */ 0x00, 0x10, 0x10, 0x00, 0x10, 0x00, 0x10, 0x10,\ +/* 136 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06,\ +/* 144 */ 0x10, 0x00, 0x04, 0x1a, 0x00, 0x00, 0x00, 0x00,\ +/* 152 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,\ +/* 160 */ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ +} /* The sqlite3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum ** JUMP opcode the better, so the mkopcodeh.tcl script that ** generated this include file strives to group all JUMP opcodes ** together near the beginning of the list. */ #define SQLITE_MX_JUMP_OPCODE 83 /* Maximum JUMP opcode */ /************** End of opcodes.h *********************************************/ /************** Continuing where we left off in vdbe.h ***********************/ /* +** Additional non-public SQLITE_PREPARE_* flags +*/ +#define SQLITE_PREPARE_SAVESQL 0x80 /* Preserve SQL text */ +#define SQLITE_PREPARE_MASK 0x0f /* Mask of public flags */ + +/* ** Prototypes for the VDBE interface. See comments on the implementation ** for a description of what each of these routines does. */ SQLITE_PRIVATE Vdbe *sqlite3VdbeCreate(Parse*); SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe*,int,int); SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe*,int,int,int); SQLITE_PRIVATE int sqlite3VdbeGoto(Vdbe*,int); @@ -13000,17 +13960,18 @@ SQLITE_PRIVATE int sqlite3VdbeAssertMa #endif SQLITE_PRIVATE void sqlite3VdbeResetStepResult(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe*); SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeCountChanges(Vdbe*); SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe*); -SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe*, const char *z, int n, int); +SQLITE_PRIVATE u8 sqlite3VdbePrepareFlags(Vdbe*); +SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe*, const char *z, int n, u8); SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe*,Vdbe*); SQLITE_PRIVATE VdbeOp *sqlite3VdbeTakeOpArray(Vdbe*, int*, int*); SQLITE_PRIVATE sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe*, int, u8); SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe*, int); #ifndef SQLITE_OMIT_TRACE SQLITE_PRIVATE char *sqlite3VdbeExpandSql(Vdbe*, const char*); #endif SQLITE_PRIVATE int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*); @@ -13022,16 +13983,18 @@ SQLITE_PRIVATE UnpackedRecord *sqlite3Vd typedef int (*RecordCompare)(int,const void*,UnpackedRecord*); SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord*); #ifndef SQLITE_OMIT_TRIGGER SQLITE_PRIVATE void sqlite3VdbeLinkSubProgram(Vdbe *, SubProgram *); #endif +SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context*); + /* Use SQLITE_ENABLE_COMMENTS to enable generation of extra comments on ** each VDBE opcode. ** ** Use the SQLITE_ENABLE_MODULE_COMMENTS macro to see some extra no-op ** comments in VDBE programs that show key decision points in the code ** generator. */ #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS @@ -13366,31 +14329,31 @@ typedef struct PCache PCache; /* ** Every page in the cache is controlled by an instance of the following ** structure. */ struct PgHdr { sqlite3_pcache_page *pPage; /* Pcache object page handle */ void *pData; /* Page data */ void *pExtra; /* Extra content */ + PCache *pCache; /* PRIVATE: Cache that owns this page */ PgHdr *pDirty; /* Transient list of dirty sorted by pgno */ Pager *pPager; /* The pager this page is part of */ Pgno pgno; /* Page number for this page */ #ifdef SQLITE_CHECK_PAGES u32 pageHash; /* Hash of page content */ #endif u16 flags; /* PGHDR flags defined below */ /********************************************************************** - ** Elements above are public. All that follows is private to pcache.c - ** and should not be accessed by other modules. + ** Elements above, except pCache, are public. All that follow are + ** private to pcache.c and should not be accessed by other modules. + ** pCache is grouped with the public elements for efficiency. */ i16 nRef; /* Number of users of this page */ - PCache *pCache; /* Cache that owns this page */ - PgHdr *pDirtyNext; /* Next element in list of dirty pages */ PgHdr *pDirtyPrev; /* Previous element in list of dirty pages */ }; /* Bit values for PgHdr.flags */ #define PGHDR_CLEAN 0x001 /* Page not on the PCache.pDirty list */ #define PGHDR_DIRTY 0x002 /* Page is on the PCache.pDirty list */ #define PGHDR_WRITEABLE 0x004 /* Journaled and ready to modify */ @@ -14222,51 +15185,56 @@ struct sqlite3 { /* ** Possible values for the sqlite3.flags. ** ** Value constraints (enforced via assert()): ** SQLITE_FullFSync == PAGER_FULLFSYNC ** SQLITE_CkptFullFSync == PAGER_CKPT_FULLFSYNC ** SQLITE_CacheSpill == PAGER_CACHE_SPILL */ -#define SQLITE_VdbeTrace 0x00000001 /* True to trace VDBE execution */ -#define SQLITE_InternChanges 0x00000002 /* Uncommitted Hash table changes */ +#define SQLITE_WriteSchema 0x00000001 /* OK to update SQLITE_MASTER */ +#define SQLITE_LegacyFileFmt 0x00000002 /* Create new databases in format 1 */ #define SQLITE_FullColNames 0x00000004 /* Show full column names on SELECT */ #define SQLITE_FullFSync 0x00000008 /* Use full fsync on the backend */ #define SQLITE_CkptFullFSync 0x00000010 /* Use full fsync for checkpoint */ #define SQLITE_CacheSpill 0x00000020 /* OK to spill pager cache */ #define SQLITE_ShortColNames 0x00000040 /* Show short columns names */ #define SQLITE_CountRows 0x00000080 /* Count rows changed by INSERT, */ /* DELETE, or UPDATE and return */ /* the count using a callback. */ #define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ -#define SQLITE_SqlTrace 0x00000200 /* Debug print SQL as it executes */ -#define SQLITE_VdbeListing 0x00000400 /* Debug listings of VDBE programs */ -#define SQLITE_WriteSchema 0x00000800 /* OK to update SQLITE_MASTER */ -#define SQLITE_VdbeAddopTrace 0x00001000 /* Trace sqlite3VdbeAddOp() calls */ -#define SQLITE_IgnoreChecks 0x00002000 /* Do not enforce check constraints */ -#define SQLITE_ReadUncommitted 0x0004000 /* For shared-cache mode */ -#define SQLITE_LegacyFileFmt 0x00008000 /* Create new databases in format 1 */ -#define SQLITE_RecoveryMode 0x00010000 /* Ignore schema errors */ -#define SQLITE_ReverseOrder 0x00020000 /* Reverse unordered SELECTs */ -#define SQLITE_RecTriggers 0x00040000 /* Enable recursive triggers */ -#define SQLITE_ForeignKeys 0x00080000 /* Enforce foreign key constraints */ -#define SQLITE_AutoIndex 0x00100000 /* Enable automatic indexes */ -#define SQLITE_PreferBuiltin 0x00200000 /* Preference to built-in funcs */ -#define SQLITE_LoadExtension 0x00400000 /* Enable load_extension */ -#define SQLITE_LoadExtFunc 0x00800000 /* Enable load_extension() SQL func */ -#define SQLITE_EnableTrigger 0x01000000 /* True to enable triggers */ -#define SQLITE_DeferFKs 0x02000000 /* Defer all FK constraints */ -#define SQLITE_QueryOnly 0x04000000 /* Disable database changes */ -#define SQLITE_VdbeEQP 0x08000000 /* Debug EXPLAIN QUERY PLAN */ -#define SQLITE_Vacuum 0x10000000 /* Currently in a VACUUM */ -#define SQLITE_CellSizeCk 0x20000000 /* Check btree cell sizes on load */ -#define SQLITE_Fts3Tokenizer 0x40000000 /* Enable fts3_tokenizer(2) */ -#define SQLITE_NoCkptOnClose 0x80000000 /* No checkpoint on close()/DETACH */ +#define SQLITE_IgnoreChecks 0x00000200 /* Do not enforce check constraints */ +#define SQLITE_ReadUncommit 0x00000400 /* READ UNCOMMITTED in shared-cache */ +#define SQLITE_NoCkptOnClose 0x00000800 /* No checkpoint on close()/DETACH */ +#define SQLITE_ReverseOrder 0x00001000 /* Reverse unordered SELECTs */ +#define SQLITE_RecTriggers 0x00002000 /* Enable recursive triggers */ +#define SQLITE_ForeignKeys 0x00004000 /* Enforce foreign key constraints */ +#define SQLITE_AutoIndex 0x00008000 /* Enable automatic indexes */ +#define SQLITE_LoadExtension 0x00010000 /* Enable load_extension */ +#define SQLITE_EnableTrigger 0x00020000 /* True to enable triggers */ +#define SQLITE_DeferFKs 0x00040000 /* Defer all FK constraints */ +#define SQLITE_QueryOnly 0x00080000 /* Disable database changes */ +#define SQLITE_CellSizeCk 0x00100000 /* Check btree cell sizes on load */ +#define SQLITE_Fts3Tokenizer 0x00200000 /* Enable fts3_tokenizer(2) */ +#define SQLITE_EnableQPSG 0x00400000 /* Query Planner Stability Guarantee */ +/* The next four values are not used by PRAGMAs or by sqlite3_dbconfig() and +** could be factored out into a separate bit vector of the sqlite3 object. */ +#define SQLITE_InternChanges 0x00800000 /* Uncommitted Hash table changes */ +#define SQLITE_LoadExtFunc 0x01000000 /* Enable load_extension() SQL func */ +#define SQLITE_PreferBuiltin 0x02000000 /* Preference to built-in funcs */ +#define SQLITE_Vacuum 0x04000000 /* Currently in a VACUUM */ +/* Flags used only if debugging */ +#ifdef SQLITE_DEBUG +#define SQLITE_SqlTrace 0x08000000 /* Debug print SQL as it executes */ +#define SQLITE_VdbeListing 0x10000000 /* Debug listings of VDBE programs */ +#define SQLITE_VdbeTrace 0x20000000 /* True to trace VDBE execution */ +#define SQLITE_VdbeAddopTrace 0x40000000 /* Trace sqlite3VdbeAddOp() calls */ +#define SQLITE_VdbeEQP 0x80000000 /* Debug EXPLAIN QUERY PLAN */ +#endif /* ** Bits of the sqlite3.dbOptFlags field that are used by the ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ #define SQLITE_QueryFlattener 0x0001 /* Query flattening */ @@ -14276,16 +15244,17 @@ struct sqlite3 { /* not used 0x0010 // Was: SQLITE_IdxRealAsInt */ #define SQLITE_DistinctOpt 0x0020 /* DISTINCT using indexes */ #define SQLITE_CoverIdxScan 0x0040 /* Covering index scans */ #define SQLITE_OrderByIdxJoin 0x0080 /* ORDER BY of joins via index */ #define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */ #define SQLITE_Transitive 0x0200 /* Transitive constraints */ #define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */ #define SQLITE_Stat34 0x0800 /* Use STAT3 or STAT4 data */ +#define SQLITE_CountOfView 0x1000 /* The count-of-view optimization */ #define SQLITE_CursorHints 0x2000 /* Add OP_CursorHint opcodes */ #define SQLITE_AllOpts 0xffff /* All optimizations */ /* ** Macros for testing whether or not optimizations are enabled or disabled. */ #define OptimizationDisabled(db, mask) (((db)->dbOptFlags&(mask))!=0) #define OptimizationEnabled(db, mask) (((db)->dbOptFlags&(mask))==0) @@ -14394,17 +15363,24 @@ struct FuncDestructor { ** ** VFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag. ** ** DFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag and ** adds the SQLITE_FUNC_SLOCHNG flag. Used for date & time functions ** and functions like sqlite_version() that can change, but not during -** a single query. +** a single query. The iArg is ignored. The user-data is always set +** to a NULL pointer. The bNC parameter is not used. +** +** PURE_DATE(zName, nArg, iArg, bNC, xFunc) +** Used for "pure" date/time functions, this macro is like DFUNCTION +** except that it does set the SQLITE_FUNC_CONSTANT flags. iArg is +** ignored and the user-data for these functions is set to an +** arbitrary non-NULL pointer. The bNC parameter is not used. ** ** AGGREGATE(zName, nArg, iArg, bNC, xStep, xFinal) ** Used to create an aggregate function definition implemented by ** the C functions xStep and xFinal. The first four parameters ** are interpreted in the same way as the first 4 parameters to ** FUNCTION(). ** ** LIKEFUNC(zName, nArg, pArg, flags) @@ -14417,18 +15393,21 @@ struct FuncDestructor { */ #define FUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define VFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define DFUNCTION(zName, nArg, iArg, bNC, xFunc) \ - {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ - SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } + {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8, \ + 0, 0, xFunc, 0, #zName, {0} } +#define PURE_DATE(zName, nArg, iArg, bNC, xFunc) \ + {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \ + (void*)&sqlite3Config, 0, xFunc, 0, #zName, {0} } #define FUNCTION2(zName, nArg, iArg, bNC, xFunc, extraFlags) \ {nArg,SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL)|extraFlags,\ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define STR_FUNCTION(zName, nArg, pArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ pArg, 0, xFunc, 0, #zName, } #define LIKEFUNC(zName, nArg, arg, flags) \ {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|flags, \ @@ -15138,18 +16117,18 @@ struct Expr { Table *pTab; /* Table for TK_COLUMN expressions. */ }; /* ** The following are the meanings of bits in the Expr.flags field. */ #define EP_FromJoin 0x000001 /* Originates in ON/USING clause of outer join */ #define EP_Agg 0x000002 /* Contains one or more aggregate functions */ -#define EP_Resolved 0x000004 /* IDs have been resolved to COLUMNs */ -#define EP_Error 0x000008 /* Expression contains one or more errors */ + /* 0x000004 // available for use */ + /* 0x000008 // available for use */ #define EP_Distinct 0x000010 /* Aggregate function with DISTINCT keyword */ #define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */ #define EP_DblQuoted 0x000040 /* token.z was originally in "..." */ #define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */ #define EP_Collate 0x000100 /* Tree contains a TK_COLLATE operator */ #define EP_Generic 0x000200 /* Ignore COLLATE or affinity on this tree */ #define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ #define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */ @@ -15606,20 +16585,20 @@ struct Select { #define SRT_Table 14 /* Store result as data with an automatic rowid */ /* ** An instance of this object describes where to put of the results of ** a SELECT statement. */ struct SelectDest { u8 eDest; /* How to dispose of the results. On of SRT_* above. */ - char *zAffSdst; /* Affinity used when eDest==SRT_Set */ int iSDParm; /* A parameter used by the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ + char *zAffSdst; /* Affinity used when eDest==SRT_Set */ ExprList *pOrderBy; /* Key columns for SRT_Queue and SRT_DistQueue */ }; /* ** During code generation of statements that do inserts into AUTOINCREMENT ** tables, the following information is attached to the Table.u.autoInc.p ** pointer of each autoincrement table to record some side information that ** the code generator needs. We have to keep per-table autoincrement @@ -15719,18 +16698,18 @@ struct Parse { u8 nColCache; /* Number of entries in aColCache[] */ int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ int nErr; /* Number of errors seen */ int nTab; /* Number of previously allocated VDBE cursors */ int nMem; /* Number of memory cells used so far */ int nOpAlloc; /* Number of slots allocated for Vdbe.aOp[] */ int szOpAlloc; /* Bytes of memory space allocated for Vdbe.aOp[] */ - int ckBase; /* Base register of data during check constraints */ - int iSelfTab; /* Table of an index whose exprs are being coded */ + int iSelfTab; /* Table for associated with an index on expr, or negative + ** of the base register during check-constraint eval */ int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */ int iCacheCnt; /* Counter used to generate aColCache[].lru values */ int nLabel; /* Number of labels used */ int *aLabel; /* Space to hold the labels */ ExprList *pConstExpr;/* Constant expressions */ Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ yDbMask cookieMask; /* Bitmask of schema verified databases */ @@ -16112,16 +17091,20 @@ struct Walker { /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker*, Select*); SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker*, Expr*); +SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker*, Select*); +#ifdef SQLITE_DEBUG +SQLITE_PRIVATE void sqlite3SelectWalkAssert2(Walker*, Select*); +#endif /* ** Return code from the parse-tree walking primitives and their ** callbacks. */ #define WRC_Continue 0 /* Continue down into children */ #define WRC_Prune 1 /* Omit children but continue walking siblings */ #define WRC_Abort 2 /* Abandon the tree walk */ @@ -16173,21 +17156,24 @@ SQLITE_PRIVATE int sqlite3CorruptError(i SQLITE_PRIVATE int sqlite3MisuseError(int); SQLITE_PRIVATE int sqlite3CantopenError(int); #define SQLITE_CORRUPT_BKPT sqlite3CorruptError(__LINE__) #define SQLITE_MISUSE_BKPT sqlite3MisuseError(__LINE__) #define SQLITE_CANTOPEN_BKPT sqlite3CantopenError(__LINE__) #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NomemError(int); SQLITE_PRIVATE int sqlite3IoerrnomemError(int); +SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define SQLITE_NOMEM_BKPT sqlite3NomemError(__LINE__) # define SQLITE_IOERR_NOMEM_BKPT sqlite3IoerrnomemError(__LINE__) +# define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptPgnoError(__LINE__,(P)) #else # define SQLITE_NOMEM_BKPT SQLITE_NOMEM # define SQLITE_IOERR_NOMEM_BKPT SQLITE_IOERR_NOMEM +# define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptError(__LINE__) #endif /* ** FTS3 and FTS4 both require virtual table support */ #if defined(SQLITE_OMIT_VIRTUALTABLE) # undef SQLITE_ENABLE_FTS3 # undef SQLITE_ENABLE_FTS4 @@ -16546,35 +17532,34 @@ SQLITE_PRIVATE Table *sqlite3FindTable(s SQLITE_PRIVATE Table *sqlite3LocateTable(Parse*,u32 flags,const char*, const char*); SQLITE_PRIVATE Table *sqlite3LocateTableItem(Parse*,u32 flags,struct SrcList_item *); SQLITE_PRIVATE Index *sqlite3FindIndex(sqlite3*,const char*, const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTable(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteIndex(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3Vacuum(Parse*,Token*); SQLITE_PRIVATE int sqlite3RunVacuum(char**, sqlite3*, int); SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3*, Token*); -SQLITE_PRIVATE int sqlite3ExprCompare(Expr*, Expr*, int); +SQLITE_PRIVATE int sqlite3ExprCompare(Parse*,Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList*, ExprList*, int); -SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Expr*, Expr*, int); +SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse*,Expr*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); SQLITE_PRIVATE int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); SQLITE_PRIVATE Vdbe *sqlite3GetVdbe(Parse*); #ifndef SQLITE_UNTESTABLE SQLITE_PRIVATE void sqlite3PrngSaveState(void); SQLITE_PRIVATE void sqlite3PrngRestoreState(void); #endif SQLITE_PRIVATE void sqlite3RollbackAll(sqlite3*,int); SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse*, int); SQLITE_PRIVATE void sqlite3CodeVerifyNamedSchema(Parse*, const char *zDb); SQLITE_PRIVATE void sqlite3BeginTransaction(Parse*, int); -SQLITE_PRIVATE void sqlite3CommitTransaction(Parse*); -SQLITE_PRIVATE void sqlite3RollbackTransaction(Parse*); +SQLITE_PRIVATE void sqlite3EndTransaction(Parse*,int); SQLITE_PRIVATE void sqlite3Savepoint(Parse*, int, Token*); SQLITE_PRIVATE void sqlite3CloseSavepoints(sqlite3 *); SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3*); SQLITE_PRIVATE int sqlite3ExprIsConstant(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantOrFunction(Expr*, u8); SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*); SQLITE_PRIVATE int sqlite3ExprIsTableConstant(Expr*,int); @@ -16685,17 +17670,19 @@ SQLITE_PRIVATE void sqlite3FixInit(DbFix SQLITE_PRIVATE int sqlite3FixSrcList(DbFixer*, SrcList*); SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8); SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*); SQLITE_PRIVATE int sqlite3Atoi(const char*); +#ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *pData, int nChar); +#endif SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *pData, int nByte); SQLITE_PRIVATE u32 sqlite3Utf8Read(const u8**); SQLITE_PRIVATE LogEst sqlite3LogEst(u64); SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst,LogEst); #ifndef SQLITE_OMIT_VIRTUALTABLE SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double); #endif #if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \ @@ -16774,17 +17761,19 @@ SQLITE_PRIVATE u8 sqlite3GetBoolean(cons SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8); SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8); SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3ValueSetNull(sqlite3_value*); SQLITE_PRIVATE void sqlite3ValueFree(sqlite3_value*); SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *); +#ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE char *sqlite3Utf16to8(sqlite3 *, const void*, int, u8); +#endif SQLITE_PRIVATE int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **); SQLITE_PRIVATE void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8); #ifndef SQLITE_AMALGAMATION SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[]; SQLITE_PRIVATE const char sqlite3StrBINARY[]; SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[]; SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[]; SQLITE_PRIVATE const Token sqlite3IntTokens[]; @@ -17138,16 +18127,20 @@ SQLITE_PRIVATE int sqlite3DbstatRegister #endif SQLITE_PRIVATE int sqlite3ExprVectorSize(Expr *pExpr); SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr); SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr*, int); SQLITE_PRIVATE Expr *sqlite3ExprForVectorField(Parse*,Expr*,int); SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse*, Expr*); +#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS +SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt); +#endif + #endif /* SQLITEINT_H */ /************** End of sqliteInt.h *******************************************/ /************** Begin file global.c ******************************************/ /* ** 2008 June 13 ** ** The author disclaims copyright to this source code. In place of @@ -17442,482 +18435,16 @@ SQLITE_PRIVATE int sqlite3PendingByte = SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[] = OPFLG_INITIALIZER; /* ** Name of the default collating sequence */ SQLITE_PRIVATE const char sqlite3StrBINARY[] = "BINARY"; /************** End of global.c **********************************************/ -/************** Begin file ctime.c *******************************************/ -/* -** 2010 February 23 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -************************************************************************* -** -** This file implements routines used to report what compile-time options -** SQLite was built with. -*/ - -#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS - -/* #include "sqliteInt.h" */ - -/* -** An array of names of all compile-time options. This array should -** be sorted A-Z. -** -** This array looks large, but in a typical installation actually uses -** only a handful of compile-time options, so most times this array is usually -** rather short and uses little memory space. -*/ -static const char * const azCompileOpt[] = { - -/* These macros are provided to "stringify" the value of the define -** for those options in which the value is meaningful. */ -#define CTIMEOPT_VAL_(opt) #opt -#define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) - -#if SQLITE_32BIT_ROWID - "32BIT_ROWID", -#endif -#if SQLITE_4_BYTE_ALIGNED_MALLOC - "4_BYTE_ALIGNED_MALLOC", -#endif -#if SQLITE_CASE_SENSITIVE_LIKE - "CASE_SENSITIVE_LIKE", -#endif -#if SQLITE_CHECK_PAGES - "CHECK_PAGES", -#endif -#if defined(__clang__) && defined(__clang_major__) - "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "." - CTIMEOPT_VAL(__clang_minor__) "." - CTIMEOPT_VAL(__clang_patchlevel__), -#elif defined(_MSC_VER) - "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER), -#elif defined(__GNUC__) && defined(__VERSION__) - "COMPILER=gcc-" __VERSION__, -#endif -#if SQLITE_COVERAGE_TEST - "COVERAGE_TEST", -#endif -#ifdef SQLITE_DEBUG - "DEBUG", -#endif -#if SQLITE_DEFAULT_LOCKING_MODE - "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE), -#endif -#if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc) - "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE), -#endif -#if SQLITE_DEFAULT_SYNCHRONOUS - "DEFAULT_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_SYNCHRONOUS), -#endif -#if SQLITE_DEFAULT_WAL_SYNCHRONOUS - "DEFAULT_WAL_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_SYNCHRONOUS), -#endif -#if SQLITE_DIRECT_OVERFLOW_READ - "DIRECT_OVERFLOW_READ", -#endif -#if SQLITE_DISABLE_DIRSYNC - "DISABLE_DIRSYNC", -#endif -#if SQLITE_DISABLE_LFS - "DISABLE_LFS", -#endif -#if SQLITE_ENABLE_8_3_NAMES - "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES), -#endif -#if SQLITE_ENABLE_API_ARMOR - "ENABLE_API_ARMOR", -#endif -#if SQLITE_ENABLE_ATOMIC_WRITE - "ENABLE_ATOMIC_WRITE", -#endif -#if SQLITE_ENABLE_CEROD - "ENABLE_CEROD", -#endif -#if SQLITE_ENABLE_COLUMN_METADATA - "ENABLE_COLUMN_METADATA", -#endif -#if SQLITE_ENABLE_DBSTAT_VTAB - "ENABLE_DBSTAT_VTAB", -#endif -#if SQLITE_ENABLE_EXPENSIVE_ASSERT - "ENABLE_EXPENSIVE_ASSERT", -#endif -#if SQLITE_ENABLE_FTS1 - "ENABLE_FTS1", -#endif -#if SQLITE_ENABLE_FTS2 - "ENABLE_FTS2", -#endif -#if SQLITE_ENABLE_FTS3 - "ENABLE_FTS3", -#endif -#if SQLITE_ENABLE_FTS3_PARENTHESIS - "ENABLE_FTS3_PARENTHESIS", -#endif -#if SQLITE_ENABLE_FTS4 - "ENABLE_FTS4", -#endif -#if SQLITE_ENABLE_FTS5 - "ENABLE_FTS5", -#endif -#if SQLITE_ENABLE_ICU - "ENABLE_ICU", -#endif -#if SQLITE_ENABLE_IOTRACE - "ENABLE_IOTRACE", -#endif -#if SQLITE_ENABLE_JSON1 - "ENABLE_JSON1", -#endif -#if SQLITE_ENABLE_LOAD_EXTENSION - "ENABLE_LOAD_EXTENSION", -#endif -#if SQLITE_ENABLE_LOCKING_STYLE - "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE), -#endif -#if SQLITE_ENABLE_MEMORY_MANAGEMENT - "ENABLE_MEMORY_MANAGEMENT", -#endif -#if SQLITE_ENABLE_MEMSYS3 - "ENABLE_MEMSYS3", -#endif -#if SQLITE_ENABLE_MEMSYS5 - "ENABLE_MEMSYS5", -#endif -#if SQLITE_ENABLE_OVERSIZE_CELL_CHECK - "ENABLE_OVERSIZE_CELL_CHECK", -#endif -#if SQLITE_ENABLE_RTREE - "ENABLE_RTREE", -#endif -#if defined(SQLITE_ENABLE_STAT4) - "ENABLE_STAT4", -#elif defined(SQLITE_ENABLE_STAT3) - "ENABLE_STAT3", -#endif -#if SQLITE_ENABLE_UNLOCK_NOTIFY - "ENABLE_UNLOCK_NOTIFY", -#endif -#if SQLITE_ENABLE_UPDATE_DELETE_LIMIT - "ENABLE_UPDATE_DELETE_LIMIT", -#endif -#if defined(SQLITE_ENABLE_URI_00_ERROR) - "ENABLE_URI_00_ERROR", -#endif -#if SQLITE_HAS_CODEC - "HAS_CODEC", -#endif -#if HAVE_ISNAN || SQLITE_HAVE_ISNAN - "HAVE_ISNAN", -#endif -#if SQLITE_HOMEGROWN_RECURSIVE_MUTEX - "HOMEGROWN_RECURSIVE_MUTEX", -#endif -#if SQLITE_IGNORE_AFP_LOCK_ERRORS - "IGNORE_AFP_LOCK_ERRORS", -#endif -#if SQLITE_IGNORE_FLOCK_LOCK_ERRORS - "IGNORE_FLOCK_LOCK_ERRORS", -#endif -#ifdef SQLITE_INT64_TYPE - "INT64_TYPE", -#endif -#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS - "LIKE_DOESNT_MATCH_BLOBS", -#endif -#if SQLITE_LOCK_TRACE - "LOCK_TRACE", -#endif -#if defined(SQLITE_MAX_MMAP_SIZE) && !defined(SQLITE_MAX_MMAP_SIZE_xc) - "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE), -#endif -#ifdef SQLITE_MAX_SCHEMA_RETRY - "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY), -#endif -#if SQLITE_MEMDEBUG - "MEMDEBUG", -#endif -#if SQLITE_MIXED_ENDIAN_64BIT_FLOAT - "MIXED_ENDIAN_64BIT_FLOAT", -#endif -#if SQLITE_NO_SYNC - "NO_SYNC", -#endif -#if SQLITE_OMIT_ALTERTABLE - "OMIT_ALTERTABLE", -#endif -#if SQLITE_OMIT_ANALYZE - "OMIT_ANALYZE", -#endif -#if SQLITE_OMIT_ATTACH - "OMIT_ATTACH", -#endif -#if SQLITE_OMIT_AUTHORIZATION - "OMIT_AUTHORIZATION", -#endif -#if SQLITE_OMIT_AUTOINCREMENT - "OMIT_AUTOINCREMENT", -#endif -#if SQLITE_OMIT_AUTOINIT - "OMIT_AUTOINIT", -#endif -#if SQLITE_OMIT_AUTOMATIC_INDEX - "OMIT_AUTOMATIC_INDEX", -#endif -#if SQLITE_OMIT_AUTORESET - "OMIT_AUTORESET", -#endif -#if SQLITE_OMIT_AUTOVACUUM - "OMIT_AUTOVACUUM", -#endif -#if SQLITE_OMIT_BETWEEN_OPTIMIZATION - "OMIT_BETWEEN_OPTIMIZATION", -#endif -#if SQLITE_OMIT_BLOB_LITERAL - "OMIT_BLOB_LITERAL", -#endif -#if SQLITE_OMIT_BTREECOUNT - "OMIT_BTREECOUNT", -#endif -#if SQLITE_OMIT_CAST - "OMIT_CAST", -#endif -#if SQLITE_OMIT_CHECK - "OMIT_CHECK", -#endif -#if SQLITE_OMIT_COMPLETE - "OMIT_COMPLETE", -#endif -#if SQLITE_OMIT_COMPOUND_SELECT - "OMIT_COMPOUND_SELECT", -#endif -#if SQLITE_OMIT_CTE - "OMIT_CTE", -#endif -#if SQLITE_OMIT_DATETIME_FUNCS - "OMIT_DATETIME_FUNCS", -#endif -#if SQLITE_OMIT_DECLTYPE - "OMIT_DECLTYPE", -#endif -#if SQLITE_OMIT_DEPRECATED - "OMIT_DEPRECATED", -#endif -#if SQLITE_OMIT_DISKIO - "OMIT_DISKIO", -#endif -#if SQLITE_OMIT_EXPLAIN - "OMIT_EXPLAIN", -#endif -#if SQLITE_OMIT_FLAG_PRAGMAS - "OMIT_FLAG_PRAGMAS", -#endif -#if SQLITE_OMIT_FLOATING_POINT - "OMIT_FLOATING_POINT", -#endif -#if SQLITE_OMIT_FOREIGN_KEY - "OMIT_FOREIGN_KEY", -#endif -#if SQLITE_OMIT_GET_TABLE - "OMIT_GET_TABLE", -#endif -#if SQLITE_OMIT_INCRBLOB - "OMIT_INCRBLOB", -#endif -#if SQLITE_OMIT_INTEGRITY_CHECK - "OMIT_INTEGRITY_CHECK", -#endif -#if SQLITE_OMIT_LIKE_OPTIMIZATION - "OMIT_LIKE_OPTIMIZATION", -#endif -#if SQLITE_OMIT_LOAD_EXTENSION - "OMIT_LOAD_EXTENSION", -#endif -#if SQLITE_OMIT_LOCALTIME - "OMIT_LOCALTIME", -#endif -#if SQLITE_OMIT_LOOKASIDE - "OMIT_LOOKASIDE", -#endif -#if SQLITE_OMIT_MEMORYDB - "OMIT_MEMORYDB", -#endif -#if SQLITE_OMIT_OR_OPTIMIZATION - "OMIT_OR_OPTIMIZATION", -#endif -#if SQLITE_OMIT_PAGER_PRAGMAS - "OMIT_PAGER_PRAGMAS", -#endif -#if SQLITE_OMIT_PRAGMA - "OMIT_PRAGMA", -#endif -#if SQLITE_OMIT_PROGRESS_CALLBACK - "OMIT_PROGRESS_CALLBACK", -#endif -#if SQLITE_OMIT_QUICKBALANCE - "OMIT_QUICKBALANCE", -#endif -#if SQLITE_OMIT_REINDEX - "OMIT_REINDEX", -#endif -#if SQLITE_OMIT_SCHEMA_PRAGMAS - "OMIT_SCHEMA_PRAGMAS", -#endif -#if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS - "OMIT_SCHEMA_VERSION_PRAGMAS", -#endif -#if SQLITE_OMIT_SHARED_CACHE - "OMIT_SHARED_CACHE", -#endif -#if SQLITE_OMIT_SUBQUERY - "OMIT_SUBQUERY", -#endif -#if SQLITE_OMIT_TCL_VARIABLE - "OMIT_TCL_VARIABLE", -#endif -#if SQLITE_OMIT_TEMPDB - "OMIT_TEMPDB", -#endif -#if SQLITE_OMIT_TRACE - "OMIT_TRACE", -#endif -#if SQLITE_OMIT_TRIGGER - "OMIT_TRIGGER", -#endif -#if SQLITE_OMIT_TRUNCATE_OPTIMIZATION - "OMIT_TRUNCATE_OPTIMIZATION", -#endif -#if SQLITE_OMIT_UTF16 - "OMIT_UTF16", -#endif -#if SQLITE_OMIT_VACUUM - "OMIT_VACUUM", -#endif -#if SQLITE_OMIT_VIEW - "OMIT_VIEW", -#endif -#if SQLITE_OMIT_VIRTUALTABLE - "OMIT_VIRTUALTABLE", -#endif -#if SQLITE_OMIT_WAL - "OMIT_WAL", -#endif -#if SQLITE_OMIT_WSD - "OMIT_WSD", -#endif -#if SQLITE_OMIT_XFER_OPT - "OMIT_XFER_OPT", -#endif -#if SQLITE_PERFORMANCE_TRACE - "PERFORMANCE_TRACE", -#endif -#if SQLITE_PROXY_DEBUG - "PROXY_DEBUG", -#endif -#if SQLITE_RTREE_INT_ONLY - "RTREE_INT_ONLY", -#endif -#if SQLITE_SECURE_DELETE - "SECURE_DELETE", -#endif -#if SQLITE_SMALL_STACK - "SMALL_STACK", -#endif -#if SQLITE_SOUNDEX - "SOUNDEX", -#endif -#if SQLITE_SYSTEM_MALLOC - "SYSTEM_MALLOC", -#endif -#if SQLITE_TCL - "TCL", -#endif -#if defined(SQLITE_TEMP_STORE) && !defined(SQLITE_TEMP_STORE_xc) - "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE), -#endif -#if SQLITE_TEST - "TEST", -#endif -#if defined(SQLITE_THREADSAFE) - "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE), -#endif -#if SQLITE_UNTESTABLE - "UNTESTABLE" -#endif -#if SQLITE_USE_ALLOCA - "USE_ALLOCA", -#endif -#if SQLITE_USER_AUTHENTICATION - "USER_AUTHENTICATION", -#endif -#if SQLITE_WIN32_MALLOC - "WIN32_MALLOC", -#endif -#if SQLITE_ZERO_MALLOC - "ZERO_MALLOC" -#endif -}; - -/* -** Given the name of a compile-time option, return true if that option -** was used and false if not. -** -** The name can optionally begin with "SQLITE_" but the "SQLITE_" prefix -** is not required for a match. -*/ -SQLITE_API int sqlite3_compileoption_used(const char *zOptName){ - int i, n; - -#if SQLITE_ENABLE_API_ARMOR - if( zOptName==0 ){ - (void)SQLITE_MISUSE_BKPT; - return 0; - } -#endif - if( sqlite3StrNICmp(zOptName, "SQLITE_", 7)==0 ) zOptName += 7; - n = sqlite3Strlen30(zOptName); - - /* Since ArraySize(azCompileOpt) is normally in single digits, a - ** linear search is adequate. No need for a binary search. */ - for(i=0; i<ArraySize(azCompileOpt); i++){ - if( sqlite3StrNICmp(zOptName, azCompileOpt[i], n)==0 - && sqlite3IsIdChar((unsigned char)azCompileOpt[i][n])==0 - ){ - return 1; - } - } - return 0; -} - -/* -** Return the N-th compile-time option string. If N is out of range, -** return a NULL pointer. -*/ -SQLITE_API const char *sqlite3_compileoption_get(int N){ - if( N>=0 && N<ArraySize(azCompileOpt) ){ - return azCompileOpt[N]; - } - return 0; -} - -#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ - -/************** End of ctime.c ***********************************************/ /************** Begin file status.c ******************************************/ /* ** 2008 June 18 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. @@ -18118,17 +18645,18 @@ struct VdbeFrame { ** Internally, the vdbe manipulates nearly all SQL values as Mem ** structures. Each Mem struct may cache multiple representations (string, ** integer etc.) of the same value. */ struct sqlite3_value { union MemValue { double r; /* Real value used when MEM_Real is set in flags */ i64 i; /* Integer value used when MEM_Int is set in flags */ - int nZero; /* Used when bit MEM_Zero is set in flags */ + int nZero; /* Extra zero bytes when MEM_Zero and MEM_Blob set */ + const char *zPType; /* Pointer type when MEM_Term|MEM_Subtype|MEM_Null */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ u8 eSubtype; /* Subtype for this value */ int n; /* Number of characters in string value, excluding '\0' */ @@ -18150,43 +18678,44 @@ struct sqlite3_value { ** follows. */ #define MEMCELLSIZE offsetof(Mem,zMalloc) /* One or more of the following flags are set to indicate the validOK ** representations of the value stored in the Mem struct. ** ** If the MEM_Null flag is set, then the value is an SQL NULL value. -** No other flags may be set in this case. +** For a pointer type created using sqlite3_bind_pointer() or +** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set. ** ** If the MEM_Str flag is set then Mem.z points at a string representation. ** Usually this is encoded in the same unicode encoding as the main ** database (see below for exceptions). If the MEM_Term flag is also ** set, then the string is nul terminated. The MEM_Int and MEM_Real ** flags may coexist with the MEM_Str flag. */ -#define MEM_Null 0x0001 /* Value is NULL */ +#define MEM_Null 0x0001 /* Value is NULL (or a pointer) */ #define MEM_Str 0x0002 /* Value is a string */ #define MEM_Int 0x0004 /* Value is an integer */ #define MEM_Real 0x0008 /* Value is a real number */ #define MEM_Blob 0x0010 /* Value is a BLOB */ #define MEM_AffMask 0x001f /* Mask of affinity bits */ #define MEM_RowSet 0x0020 /* Value is a RowSet object */ #define MEM_Frame 0x0040 /* Value is a VdbeFrame object */ #define MEM_Undefined 0x0080 /* Value is undefined */ #define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */ -#define MEM_TypeMask 0x81ff /* Mask of type bits */ +#define MEM_TypeMask 0xc1ff /* Mask of type bits */ /* Whenever Mem contains a valid string or blob representation, one of ** the following flags must be set to determine the memory management ** policy for Mem.z. The MEM_Term flag tells us whether or not the ** string is \000 or \u0000 terminated */ -#define MEM_Term 0x0200 /* String rep is nul terminated */ +#define MEM_Term 0x0200 /* String in Mem.z is zero terminated */ #define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ #define MEM_Static 0x0800 /* Mem.z points to a static string */ #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ #define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */ #ifdef SQLITE_OMIT_INCRBLOB #undef MEM_Zero @@ -18311,28 +18840,28 @@ struct Vdbe { #endif int nOp; /* Number of instructions in the program */ #ifdef SQLITE_DEBUG int rcApp; /* errcode set by sqlite3_result_error_code() */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ + u8 prepFlags; /* SQLITE_PREPARE_* flags */ bft expired:1; /* True if the VM needs to be recompiled */ bft doingRerun:1; /* True if rerunning after an auto-reprepare */ bft explain:2; /* True if EXPLAIN present on SQL command */ bft changeCntOn:1; /* True to update the change-counter */ bft runOnlyOnce:1; /* Automatically expire on reset */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ - bft isPrepareV2:1; /* True if prepared with prepare_v2() */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ - u32 aCounter[5]; /* Counters used by sqlite3_stmt_status() */ + u32 aCounter[7]; /* Counters used by sqlite3_stmt_status() */ char *zSql; /* Text of the SQL statement that generated this */ void *pFree; /* Free this when deleting the vdbe */ VdbeFrame *pFrame; /* Parent frame */ VdbeFrame *pDelFrame; /* List of frame objects to free on VM reset */ int nFrame; /* Number of frames in pFrame list */ u32 expmask; /* Binding to these vars invalidates VM */ SubProgram *pProgram; /* Linked list of all sub-programs used by VM */ AuxData *pAuxData; /* Linked list of auxdata allocations */ @@ -18404,16 +18933,17 @@ SQLITE_PRIVATE void sqlite3VdbeMemMove(M SQLITE_PRIVATE int sqlite3VdbeMemNulTerminate(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemSetInt64(Mem*, i64); #ifdef SQLITE_OMIT_FLOATING_POINT # define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64 #else SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem*, double); #endif +SQLITE_PRIVATE void sqlite3VdbeMemSetPointer(Mem*, void*, const char*, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemInit(Mem*,sqlite3*,u16); SQLITE_PRIVATE void sqlite3VdbeMemSetNull(Mem*); SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem*,int); SQLITE_PRIVATE void sqlite3VdbeMemSetRowSet(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem*, u8, u8); SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemIntegerify(Mem*); @@ -18435,17 +18965,17 @@ SQLITE_PRIVATE int sqlite3VdbeFrameResto SQLITE_PRIVATE void sqlite3VdbePreUpdateHook(Vdbe*,VdbeCursor*,int,const char*,Table*,i64,int); #endif SQLITE_PRIVATE int sqlite3VdbeTransferError(Vdbe *p); SQLITE_PRIVATE int sqlite3VdbeSorterInit(sqlite3 *, int, VdbeCursor *); SQLITE_PRIVATE void sqlite3VdbeSorterReset(sqlite3 *, VdbeSorter *); SQLITE_PRIVATE void sqlite3VdbeSorterClose(sqlite3 *, VdbeCursor *); SQLITE_PRIVATE int sqlite3VdbeSorterRowkey(const VdbeCursor *, Mem *); -SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *, const VdbeCursor *, int *); +SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *, const VdbeCursor *); SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *, int *); SQLITE_PRIVATE int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *); #if !defined(SQLITE_OMIT_SHARED_CACHE) SQLITE_PRIVATE void sqlite3VdbeEnter(Vdbe*); #else # define sqlite3VdbeEnter(X) @@ -18463,22 +18993,24 @@ SQLITE_PRIVATE int sqlite3VdbeCheckMemIn #endif #ifndef SQLITE_OMIT_FOREIGN_KEY SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *, int); #else # define sqlite3VdbeCheckFk(p,i) 0 #endif -SQLITE_PRIVATE int sqlite3VdbeMemTranslate(Mem*, u8); #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3VdbePrintSql(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf); #endif -SQLITE_PRIVATE int sqlite3VdbeMemHandleBom(Mem *pMem); +#ifndef SQLITE_OMIT_UTF16 +SQLITE_PRIVATE int sqlite3VdbeMemTranslate(Mem*, u8); +SQLITE_PRIVATE int sqlite3VdbeMemHandleBom(Mem *pMem); +#endif #ifndef SQLITE_OMIT_INCRBLOB SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *); #define ExpandBlob(P) (((P)->flags&MEM_Zero)?sqlite3VdbeMemExpandBlob(P):0) #else #define sqlite3VdbeMemExpandBlob(x) SQLITE_OK #define ExpandBlob(P) SQLITE_OK #endif @@ -19207,17 +19739,17 @@ static int parseDateOrTime( const char *zDate, DateTime *p ){ double r; if( parseYyyyMmDd(zDate,p)==0 ){ return 0; }else if( parseHhMmSs(zDate, p)==0 ){ return 0; - }else if( sqlite3StrICmp(zDate,"now")==0){ + }else if( sqlite3StrICmp(zDate,"now")==0 && sqlite3NotPureFunc(context) ){ return setDateTimeToCurrent(context, p); }else if( sqlite3AtoF(zDate, &r, sqlite3Strlen30(zDate), SQLITE_UTF8) ){ setRawDateNumber(p, r); return 0; } return 1; } @@ -19490,17 +20022,17 @@ static int parseModifier( switch(sqlite3UpperToLower[(u8)z[0]] ){ #ifndef SQLITE_OMIT_LOCALTIME case 'l': { /* localtime ** ** Assuming the current time value is UTC (a.k.a. GMT), shift it to ** show local time. */ - if( sqlite3_stricmp(z, "localtime")==0 ){ + if( sqlite3_stricmp(z, "localtime")==0 && sqlite3NotPureFunc(pCtx) ){ computeJD(p); p->iJD += localtimeOffset(p, pCtx, &rc); clearYMD_HMS_TZ(p); } break; } #endif case 'u': { @@ -19516,17 +20048,17 @@ static int parseModifier( clearYMD_HMS_TZ(p); p->iJD = (sqlite3_int64)r; p->validJD = 1; p->rawS = 0; rc = 0; } } #ifndef SQLITE_OMIT_LOCALTIME - else if( sqlite3_stricmp(z, "utc")==0 ){ + else if( sqlite3_stricmp(z, "utc")==0 && sqlite3NotPureFunc(pCtx) ){ if( p->tzSet==0 ){ sqlite3_int64 c1; computeJD(p); c1 = localtimeOffset(p, pCtx, &rc); if( rc==SQLITE_OK ){ p->iJD -= c1; clearYMD_HMS_TZ(p); p->iJD += c1 - localtimeOffset(p, pCtx, &rc); @@ -20052,21 +20584,21 @@ static void currentTimeFunc( /* ** This function registered all of the above C functions as SQL ** functions. This should be the only routine in this file with ** external linkage. */ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ static FuncDef aDateTimeFuncs[] = { #ifndef SQLITE_OMIT_DATETIME_FUNCS - DFUNCTION(julianday, -1, 0, 0, juliandayFunc ), - DFUNCTION(date, -1, 0, 0, dateFunc ), - DFUNCTION(time, -1, 0, 0, timeFunc ), - DFUNCTION(datetime, -1, 0, 0, datetimeFunc ), - DFUNCTION(strftime, -1, 0, 0, strftimeFunc ), + PURE_DATE(julianday, -1, 0, 0, juliandayFunc ), + PURE_DATE(date, -1, 0, 0, dateFunc ), + PURE_DATE(time, -1, 0, 0, timeFunc ), + PURE_DATE(datetime, -1, 0, 0, datetimeFunc ), + PURE_DATE(strftime, -1, 0, 0, strftimeFunc ), DFUNCTION(current_time, 0, 0, 0, ctimeFunc ), DFUNCTION(current_timestamp, 0, 0, 0, ctimestampFunc), DFUNCTION(current_date, 0, 0, 0, cdateFunc ), #else STR_FUNCTION(current_time, 0, "%H:%M:%S", 0, currentTimeFunc), STR_FUNCTION(current_date, 0, "%Y-%m-%d", 0, currentTimeFunc), STR_FUNCTION(current_timestamp, 0, "%Y-%m-%d %H:%M:%S", 0, currentTimeFunc), #endif @@ -26552,27 +27084,27 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr( } if( pFarg ){ sqlite3TreeViewExprList(pView, pFarg, 0, 0); } break; } #ifndef SQLITE_OMIT_SUBQUERY case TK_EXISTS: { - sqlite3TreeViewLine(pView, "EXISTS-expr"); + sqlite3TreeViewLine(pView, "EXISTS-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_SELECT: { - sqlite3TreeViewLine(pView, "SELECT-expr"); + sqlite3TreeViewLine(pView, "SELECT-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_IN: { - sqlite3TreeViewLine(pView, "IN"); + sqlite3TreeViewLine(pView, "IN flags=0x%x", pExpr->flags); sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); if( ExprHasProperty(pExpr, EP_xIsSelect) ){ sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); }else{ sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); } break; } @@ -27450,17 +27982,19 @@ translate_out: { char zBuf[100]; sqlite3VdbeMemPrettyPrint(pMem, zBuf); fprintf(stderr, "OUTPUT: %s\n", zBuf); } #endif return SQLITE_OK; } - +#endif /* SQLITE_OMIT_UTF16 */ + +#ifndef SQLITE_OMIT_UTF16 /* ** This routine checks for a byte-order mark at the beginning of the ** UTF-16 string stored in *pMem. If one is present, it is removed and ** the encoding of the Mem adjusted. This routine does not do any ** byte-swapping, it just sets Mem.enc appropriately. ** ** The allocation (static, dynamic etc.) and encoding of the Mem may be ** changed by this function. @@ -29361,48 +29895,50 @@ static int rehash(Hash *pH, unsigned int unsigned int h = strHash(elem->pKey) % new_size; next_elem = elem->next; insertElement(pH, &new_ht[h], elem); } return 1; } /* This function (for internal use only) locates an element in an -** hash table that matches the given key. The hash for this key is -** also computed and returned in the *pH parameter. +** hash table that matches the given key. If no element is found, +** a pointer to a static null element with HashElem.data==0 is returned. +** If pH is not NULL, then the hash for this key is written to *pH. */ static HashElem *findElementWithHash( const Hash *pH, /* The pH to be searched */ const char *pKey, /* The key we are searching for */ unsigned int *pHash /* Write the hash value here */ ){ HashElem *elem; /* Used to loop thru the element list */ int count; /* Number of elements left to test */ unsigned int h; /* The computed hash */ + static HashElem nullElement = { 0, 0, 0, 0 }; if( pH->ht ){ /*OPTIMIZATION-IF-TRUE*/ struct _ht *pEntry; h = strHash(pKey) % pH->htsize; pEntry = &pH->ht[h]; elem = pEntry->chain; count = pEntry->count; }else{ h = 0; elem = pH->first; count = pH->count; } - *pHash = h; + if( pHash ) *pHash = h; while( count-- ){ assert( elem!=0 ); if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ return elem; } elem = elem->next; } - return 0; + return &nullElement; } /* Remove a single entry from the hash table given a pointer to that ** element and a hash on the element's key. */ static void removeElementGivenHash( Hash *pH, /* The pH containing "elem" */ HashElem* elem, /* The element to be removed from the pH */ @@ -29434,23 +29970,19 @@ static void removeElementGivenHash( } } /* Attempt to locate an element of the hash table pH with a key ** that matches pKey. Return the data for this element if it is ** found, or NULL if there is no match. */ SQLITE_PRIVATE void *sqlite3HashFind(const Hash *pH, const char *pKey){ - HashElem *elem; /* The element that matches key */ - unsigned int h; /* A hash on key */ - assert( pH!=0 ); assert( pKey!=0 ); - elem = findElementWithHash(pH, pKey, &h); - return elem ? elem->data : 0; + return findElementWithHash(pH, pKey, 0)->data; } /* Insert an element into the hash table pH. The key is pKey ** and the data is "data". ** ** If no element exists with a matching key, then a new ** element is created and NULL is returned. ** @@ -29465,17 +29997,17 @@ SQLITE_PRIVATE void *sqlite3HashFind(con SQLITE_PRIVATE void *sqlite3HashInsert(Hash *pH, const char *pKey, void *data){ unsigned int h; /* the hash of the key modulo hash table size */ HashElem *elem; /* Used to loop thru the element list */ HashElem *new_elem; /* New element added to the pH */ assert( pH!=0 ); assert( pKey!=0 ); elem = findElementWithHash(pH,pKey,&h); - if( elem ){ + if( elem->data ){ void *old_data = elem->data; if( data==0 ){ removeElementGivenHash(pH,elem,h); }else{ elem->data = data; elem->pKey = pKey; } return old_data; @@ -29574,22 +30106,22 @@ SQLITE_PRIVATE const char *sqlite3Opcode /* 61 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), /* 62 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), /* 63 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), /* 64 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), /* 65 */ "SCopy" OpHelp("r[P2]=r[P1]"), /* 66 */ "IntCopy" OpHelp("r[P2]=r[P1]"), /* 67 */ "ResultRow" OpHelp("output=r[P1@P2]"), /* 68 */ "CollSeq" OpHelp(""), - /* 69 */ "Function0" OpHelp("r[P3]=func(r[P2@P5])"), + /* 69 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), /* 70 */ "Or" OpHelp("r[P3]=(r[P1] || r[P2])"), /* 71 */ "And" OpHelp("r[P3]=(r[P1] && r[P2])"), - /* 72 */ "Function" OpHelp("r[P3]=func(r[P2@P5])"), - /* 73 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), - /* 74 */ "RealAffinity" OpHelp(""), + /* 72 */ "RealAffinity" OpHelp(""), + /* 73 */ "Cast" OpHelp("affinity(r[P1])"), + /* 74 */ "Permutation" OpHelp(""), /* 75 */ "IsNull" OpHelp("if r[P1]==NULL goto P2"), /* 76 */ "NotNull" OpHelp("if r[P1]!=NULL goto P2"), /* 77 */ "Ne" OpHelp("IF r[P3]!=r[P1]"), /* 78 */ "Eq" OpHelp("IF r[P3]==r[P1]"), /* 79 */ "Gt" OpHelp("IF r[P3]>r[P1]"), /* 80 */ "Le" OpHelp("IF r[P3]<=r[P1]"), /* 81 */ "Lt" OpHelp("IF r[P3]<r[P1]"), /* 82 */ "Ge" OpHelp("IF r[P3]>=r[P1]"), @@ -29599,88 +30131,90 @@ SQLITE_PRIVATE const char *sqlite3Opcode /* 86 */ "ShiftLeft" OpHelp("r[P3]=r[P2]<<r[P1]"), /* 87 */ "ShiftRight" OpHelp("r[P3]=r[P2]>>r[P1]"), /* 88 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), /* 89 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), /* 90 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), /* 91 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), /* 92 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), /* 93 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), - /* 94 */ "Cast" OpHelp("affinity(r[P1])"), + /* 94 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), /* 95 */ "BitNot" OpHelp("r[P1]= ~r[P1]"), - /* 96 */ "Permutation" OpHelp(""), + /* 96 */ "Column" OpHelp("r[P3]=PX"), /* 97 */ "String8" OpHelp("r[P2]='P4'"), - /* 98 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), - /* 99 */ "Column" OpHelp("r[P3]=PX"), - /* 100 */ "Affinity" OpHelp("affinity(r[P1@P2])"), - /* 101 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), - /* 102 */ "Count" OpHelp("r[P2]=count()"), - /* 103 */ "ReadCookie" OpHelp(""), - /* 104 */ "SetCookie" OpHelp(""), - /* 105 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), - /* 106 */ "OpenRead" OpHelp("root=P2 iDb=P3"), - /* 107 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), - /* 108 */ "OpenDup" OpHelp(""), - /* 109 */ "OpenAutoindex" OpHelp("nColumn=P2"), - /* 110 */ "OpenEphemeral" OpHelp("nColumn=P2"), - /* 111 */ "SorterOpen" OpHelp(""), - /* 112 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), - /* 113 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), - /* 114 */ "Close" OpHelp(""), - /* 115 */ "ColumnsUsed" OpHelp(""), - /* 116 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), - /* 117 */ "NewRowid" OpHelp("r[P2]=rowid"), - /* 118 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), - /* 119 */ "InsertInt" OpHelp("intkey=P3 data=r[P2]"), - /* 120 */ "Delete" OpHelp(""), - /* 121 */ "ResetCount" OpHelp(""), - /* 122 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), - /* 123 */ "SorterData" OpHelp("r[P2]=data"), - /* 124 */ "RowData" OpHelp("r[P2]=data"), - /* 125 */ "Rowid" OpHelp("r[P2]=rowid"), - /* 126 */ "NullRow" OpHelp(""), - /* 127 */ "SorterInsert" OpHelp("key=r[P2]"), - /* 128 */ "IdxInsert" OpHelp("key=r[P2]"), - /* 129 */ "IdxDelete" OpHelp("key=r[P2@P3]"), - /* 130 */ "Seek" OpHelp("Move P3 to P1.rowid"), - /* 131 */ "IdxRowid" OpHelp("r[P2]=rowid"), + /* 98 */ "Affinity" OpHelp("affinity(r[P1@P2])"), + /* 99 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), + /* 100 */ "Count" OpHelp("r[P2]=count()"), + /* 101 */ "ReadCookie" OpHelp(""), + /* 102 */ "SetCookie" OpHelp(""), + /* 103 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), + /* 104 */ "OpenRead" OpHelp("root=P2 iDb=P3"), + /* 105 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), + /* 106 */ "OpenDup" OpHelp(""), + /* 107 */ "OpenAutoindex" OpHelp("nColumn=P2"), + /* 108 */ "OpenEphemeral" OpHelp("nColumn=P2"), + /* 109 */ "SorterOpen" OpHelp(""), + /* 110 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), + /* 111 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), + /* 112 */ "Close" OpHelp(""), + /* 113 */ "ColumnsUsed" OpHelp(""), + /* 114 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), + /* 115 */ "NewRowid" OpHelp("r[P2]=rowid"), + /* 116 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), + /* 117 */ "InsertInt" OpHelp("intkey=P3 data=r[P2]"), + /* 118 */ "Delete" OpHelp(""), + /* 119 */ "ResetCount" OpHelp(""), + /* 120 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), + /* 121 */ "SorterData" OpHelp("r[P2]=data"), + /* 122 */ "RowData" OpHelp("r[P2]=data"), + /* 123 */ "Rowid" OpHelp("r[P2]=rowid"), + /* 124 */ "NullRow" OpHelp(""), + /* 125 */ "SorterInsert" OpHelp("key=r[P2]"), + /* 126 */ "IdxInsert" OpHelp("key=r[P2]"), + /* 127 */ "IdxDelete" OpHelp("key=r[P2@P3]"), + /* 128 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), + /* 129 */ "IdxRowid" OpHelp("r[P2]=rowid"), + /* 130 */ "Destroy" OpHelp(""), + /* 131 */ "Clear" OpHelp(""), /* 132 */ "Real" OpHelp("r[P2]=P4"), - /* 133 */ "Destroy" OpHelp(""), - /* 134 */ "Clear" OpHelp(""), - /* 135 */ "ResetSorter" OpHelp(""), - /* 136 */ "CreateIndex" OpHelp("r[P2]=root iDb=P1"), - /* 137 */ "CreateTable" OpHelp("r[P2]=root iDb=P1"), - /* 138 */ "SqlExec" OpHelp(""), - /* 139 */ "ParseSchema" OpHelp(""), - /* 140 */ "LoadAnalysis" OpHelp(""), - /* 141 */ "DropTable" OpHelp(""), - /* 142 */ "DropIndex" OpHelp(""), - /* 143 */ "DropTrigger" OpHelp(""), - /* 144 */ "IntegrityCk" OpHelp(""), - /* 145 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), - /* 146 */ "Param" OpHelp(""), - /* 147 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), - /* 148 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), - /* 149 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), - /* 150 */ "AggStep0" OpHelp("accum=r[P3] step(r[P2@P5])"), - /* 151 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), - /* 152 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), - /* 153 */ "Expire" OpHelp(""), - /* 154 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), - /* 155 */ "VBegin" OpHelp(""), - /* 156 */ "VCreate" OpHelp(""), - /* 157 */ "VDestroy" OpHelp(""), - /* 158 */ "VOpen" OpHelp(""), - /* 159 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), - /* 160 */ "VRename" OpHelp(""), - /* 161 */ "Pagecount" OpHelp(""), - /* 162 */ "MaxPgcnt" OpHelp(""), - /* 163 */ "CursorHint" OpHelp(""), - /* 164 */ "Noop" OpHelp(""), - /* 165 */ "Explain" OpHelp(""), + /* 133 */ "ResetSorter" OpHelp(""), + /* 134 */ "CreateIndex" OpHelp("r[P2]=root iDb=P1"), + /* 135 */ "CreateTable" OpHelp("r[P2]=root iDb=P1"), + /* 136 */ "SqlExec" OpHelp(""), + /* 137 */ "ParseSchema" OpHelp(""), + /* 138 */ "LoadAnalysis" OpHelp(""), + /* 139 */ "DropTable" OpHelp(""), + /* 140 */ "DropIndex" OpHelp(""), + /* 141 */ "DropTrigger" OpHelp(""), + /* 142 */ "IntegrityCk" OpHelp(""), + /* 143 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), + /* 144 */ "Param" OpHelp(""), + /* 145 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), + /* 146 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), + /* 147 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), + /* 148 */ "AggStep0" OpHelp("accum=r[P3] step(r[P2@P5])"), + /* 149 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), + /* 150 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), + /* 151 */ "Expire" OpHelp(""), + /* 152 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), + /* 153 */ "VBegin" OpHelp(""), + /* 154 */ "VCreate" OpHelp(""), + /* 155 */ "VDestroy" OpHelp(""), + /* 156 */ "VOpen" OpHelp(""), + /* 157 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), + /* 158 */ "VRename" OpHelp(""), + /* 159 */ "Pagecount" OpHelp(""), + /* 160 */ "MaxPgcnt" OpHelp(""), + /* 161 */ "PureFunc0" OpHelp(""), + /* 162 */ "Function0" OpHelp("r[P3]=func(r[P2@P5])"), + /* 163 */ "PureFunc" OpHelp(""), + /* 164 */ "Function" OpHelp("r[P3]=func(r[P2@P5])"), + /* 165 */ "CursorHint" OpHelp(""), + /* 166 */ "Noop" OpHelp(""), + /* 167 */ "Explain" OpHelp(""), }; return azName[i]; } #endif /************** End of opcodes.c *********************************************/ /************** Begin file os_unix.c *****************************************/ /* @@ -50165,17 +50699,17 @@ static int pagerPagecount(Pager *pPager, */ assert( pPager->eState==PAGER_OPEN ); assert( pPager->eLock>=SHARED_LOCK ); assert( isOpen(pPager->fd) ); assert( pPager->tempFile==0 ); nPage = sqlite3WalDbsize(pPager->pWal); /* If the number of pages in the database is not available from the - ** WAL sub-system, determine the page counte based on the size of + ** WAL sub-system, determine the page count based on the size of ** the database file. If the size of the database file is not an ** integer multiple of the page-size, round up the result. */ if( nPage==0 && ALWAYS(isOpen(pPager->fd)) ){ i64 n = 0; /* Size of db file in bytes */ int rc = sqlite3OsFileSize(pPager->fd, &n); if( rc!=SQLITE_OK ){ return rc; @@ -50216,33 +50750,31 @@ static int pagerPagecount(Pager *pPager, */ static int pagerOpenWalIfPresent(Pager *pPager){ int rc = SQLITE_OK; assert( pPager->eState==PAGER_OPEN ); assert( pPager->eLock>=SHARED_LOCK ); if( !pPager->tempFile ){ int isWal; /* True if WAL file exists */ - Pgno nPage; /* Size of the database file */ - - rc = pagerPagecount(pPager, &nPage); - if( rc ) return rc; - if( nPage==0 ){ - rc = sqlite3OsDelete(pPager->pVfs, pPager->zWal, 0); - if( rc==SQLITE_IOERR_DELETE_NOENT ) rc = SQLITE_OK; - isWal = 0; - }else{ - rc = sqlite3OsAccess( - pPager->pVfs, pPager->zWal, SQLITE_ACCESS_EXISTS, &isWal - ); - } + rc = sqlite3OsAccess( + pPager->pVfs, pPager->zWal, SQLITE_ACCESS_EXISTS, &isWal + ); if( rc==SQLITE_OK ){ if( isWal ){ - testcase( sqlite3PcachePagecount(pPager->pPCache)==0 ); - rc = sqlite3PagerOpenWal(pPager, 0); + Pgno nPage; /* Size of the database file */ + + rc = pagerPagecount(pPager, &nPage); + if( rc ) return rc; + if( nPage==0 ){ + rc = sqlite3OsDelete(pPager->pVfs, pPager->zWal, 0); + }else{ + testcase( sqlite3PcachePagecount(pPager->pPCache)==0 ); + rc = sqlite3PagerOpenWal(pPager, 0); + } }else if( pPager->journalMode==PAGER_JOURNALMODE_WAL ){ pPager->journalMode = PAGER_JOURNALMODE_DELETE; } } } return rc; } #endif @@ -52175,29 +52707,24 @@ SQLITE_PRIVATE int sqlite3PagerSharedLoc ** a 32-bit counter that is incremented with each change. The ** other bytes change randomly with each file change when ** a codec is in use. ** ** There is a vanishingly small chance that a change will not be ** detected. The chance of an undetected change is so small that ** it can be neglected. */ - Pgno nPage = 0; char dbFileVers[sizeof(pPager->dbFileVers)]; - rc = pagerPagecount(pPager, &nPage); - if( rc ) goto failed; - - if( nPage>0 ){ - IOTRACE(("CKVERS %p %d\n", pPager, sizeof(dbFileVers))); - rc = sqlite3OsRead(pPager->fd, &dbFileVers, sizeof(dbFileVers), 24); - if( rc!=SQLITE_OK && rc!=SQLITE_IOERR_SHORT_READ ){ + IOTRACE(("CKVERS %p %d\n", pPager, sizeof(dbFileVers))); + rc = sqlite3OsRead(pPager->fd, &dbFileVers, sizeof(dbFileVers), 24); + if( rc!=SQLITE_OK ){ + if( rc!=SQLITE_IOERR_SHORT_READ ){ goto failed; } - }else{ memset(dbFileVers, 0, sizeof(dbFileVers)); } if( memcmp(pPager->dbFileVers, dbFileVers, sizeof(dbFileVers))!=0 ){ pager_reset(pPager); /* Unmap the database file. It is possible that external processes ** may have truncated the database file and then extended it back @@ -58480,20 +59007,22 @@ struct BtShared { }; /* ** Allowed values for BtShared.btsFlags */ #define BTS_READ_ONLY 0x0001 /* Underlying file is readonly */ #define BTS_PAGESIZE_FIXED 0x0002 /* Page size can no longer be changed */ #define BTS_SECURE_DELETE 0x0004 /* PRAGMA secure_delete is enabled */ -#define BTS_INITIALLY_EMPTY 0x0008 /* Database was empty at trans start */ -#define BTS_NO_WAL 0x0010 /* Do not open write-ahead-log files */ -#define BTS_EXCLUSIVE 0x0020 /* pWriter has an exclusive lock */ -#define BTS_PENDING 0x0040 /* Waiting for read-locks to clear */ +#define BTS_OVERWRITE 0x0008 /* Overwrite deleted content with zeros */ +#define BTS_FAST_SECURE 0x000c /* Combination of the previous two */ +#define BTS_INITIALLY_EMPTY 0x0010 /* Database was empty at trans start */ +#define BTS_NO_WAL 0x0020 /* Do not open write-ahead-log files */ +#define BTS_EXCLUSIVE 0x0040 /* pWriter has an exclusive lock */ +#define BTS_PENDING 0x0080 /* Waiting for read-locks to clear */ /* ** An instance of the following structure is used to hold information ** about a cell. The parseCellPtr() function fills in this structure ** based on information extract from the raw disk page. */ struct CellInfo { i64 nKey; /* The key for INTKEY tables, or nPayload otherwise */ @@ -59181,17 +59710,17 @@ static int hasSharedCacheTableLock( Pgno iTab = 0; BtLock *pLock; /* If this database is not shareable, or if the client is reading ** and has the read-uncommitted flag set, then no lock is required. ** Return true immediately. */ if( (pBtree->sharable==0) - || (eLockType==READ_LOCK && (pBtree->db->flags & SQLITE_ReadUncommitted)) + || (eLockType==READ_LOCK && (pBtree->db->flags & SQLITE_ReadUncommit)) ){ return 1; } /* If the client is reading or writing an index and the schema is ** not loaded, then it is too difficult to actually check to see if ** the correct locks are held. So do not bother - just return true. ** This case does not come up very often anyhow. @@ -59258,17 +59787,17 @@ static int hasSharedCacheTableLock( ** ** assert( !hasReadConflicts(pBtree, iRoot) ); */ static int hasReadConflicts(Btree *pBtree, Pgno iRoot){ BtCursor *p; for(p=pBtree->pBt->pCursor; p; p=p->pNext){ if( p->pgnoRoot==iRoot && p->pBtree!=pBtree - && 0==(p->pBtree->db->flags & SQLITE_ReadUncommitted) + && 0==(p->pBtree->db->flags & SQLITE_ReadUncommit) ){ return 1; } } return 0; } #endif /* #ifdef SQLITE_DEBUG */ @@ -59280,17 +59809,17 @@ static int hasReadConflicts(Btree *pBtre */ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ BtShared *pBt = p->pBt; BtLock *pIter; assert( sqlite3BtreeHoldsMutex(p) ); assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); - assert( !(p->db->flags&SQLITE_ReadUncommitted)||eLock==WRITE_LOCK||iTab==1 ); + assert( !(p->db->flags&SQLITE_ReadUncommit)||eLock==WRITE_LOCK||iTab==1 ); /* If requesting a write-lock, then the Btree must have an open write ** transaction on this file. And, obviously, for this to be so there ** must be an open write transaction on the file itself. */ assert( eLock==READ_LOCK || (p==pBt->pWriter && p->inTrans==TRANS_WRITE) ); assert( eLock==READ_LOCK || pBt->inTransaction==TRANS_WRITE ); @@ -59358,17 +59887,17 @@ static int setSharedCacheTableLock(Btree assert( sqlite3BtreeHoldsMutex(p) ); assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); /* A connection with the read-uncommitted flag set will never try to ** obtain a read-lock using this function. The only read-lock obtained ** by a connection in read-uncommitted mode is on the sqlite_master ** table, and that lock is obtained in BtreeBeginTrans(). */ - assert( 0==(p->db->flags&SQLITE_ReadUncommitted) || eLock==WRITE_LOCK ); + assert( 0==(p->db->flags&SQLITE_ReadUncommit) || eLock==WRITE_LOCK ); /* This function should only be called on a sharable b-tree after it ** has been determined that no other b-tree holds a conflicting lock. */ assert( p->sharable ); assert( SQLITE_OK==querySharedCacheTableLock(p, iTable, eLock) ); /* First search the list for an existing lock on this table. */ for(pIter=pBt->pLock; pIter; pIter=pIter->pNext){ @@ -59800,17 +60329,17 @@ static int btreeMoveto( UnpackedRecord *pIdxKey; /* Unpacked index key */ if( pKey ){ assert( nKey==(i64)(int)nKey ); pIdxKey = sqlite3VdbeAllocUnpackedRecord(pCur->pKeyInfo); if( pIdxKey==0 ) return SQLITE_NOMEM_BKPT; sqlite3VdbeRecordUnpack(pCur->pKeyInfo, (int)nKey, pKey, pIdxKey); if( pIdxKey->nField==0 ){ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(pCur->apPage[pCur->iPage]->pgno); goto moveto_done; } }else{ pIdxKey = 0; } rc = sqlite3BtreeMovetoUnpacked(pCur, pIdxKey, nKey, bias, pRes); moveto_done: if( pIdxKey ){ @@ -60029,17 +60558,17 @@ static int ptrmapGet(BtShared *pBt, Pgno return SQLITE_CORRUPT_BKPT; } assert( offset <= (int)pBt->usableSize-5 ); assert( pEType!=0 ); *pEType = pPtrmap[offset]; if( pPgno ) *pPgno = get4byte(&pPtrmap[offset+1]); sqlite3PagerUnref(pDbPage); - if( *pEType<1 || *pEType>5 ) return SQLITE_CORRUPT_BKPT; + if( *pEType<1 || *pEType>5 ) return SQLITE_CORRUPT_PGNO(iPtrmap); return SQLITE_OK; } #else /* if defined SQLITE_OMIT_AUTOVACUUM */ #define ptrmapPut(w,x,y,z,rc) #define ptrmapGet(w,x,y,z) SQLITE_OK #define ptrmapPutOvflPtr(x, y, rc) #endif @@ -60414,17 +60943,17 @@ static int defragmentPage(MemPage *pPage if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){ u8 *pEnd = &data[cellOffset + nCell*2]; u8 *pAddr; int sz2 = 0; int sz = get2byte(&data[iFree+2]); int top = get2byte(&data[hdr+5]); if( iFree2 ){ - if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_BKPT; + if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_PGNO(pPage->pgno); sz2 = get2byte(&data[iFree2+2]); assert( iFree+sz+sz2+iFree2-(iFree+sz) <= usableSize ); memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz)); sz += sz2; } cbrk = top+sz; assert( cbrk+(iFree-top) <= usableSize ); memmove(&data[cbrk], &data[top], iFree-top); @@ -60445,23 +60974,23 @@ static int defragmentPage(MemPage *pPage pAddr = &data[cellOffset + i*2]; pc = get2byte(pAddr); testcase( pc==iCellFirst ); testcase( pc==iCellLast ); /* These conditions have already been verified in btreeInitPage() ** if PRAGMA cell_size_check=ON. */ if( pc<iCellFirst || pc>iCellLast ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( pc>=iCellFirst && pc<=iCellLast ); size = pPage->xCellSize(pPage, &src[pc]); cbrk -= size; if( cbrk<iCellFirst || pc+size>usableSize ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( cbrk+size<=usableSize && cbrk>=iCellFirst ); testcase( cbrk+size==usableSize ); testcase( pc+size==usableSize ); put2byte(pAddr, cbrk); if( temp==0 ){ int x; if( cbrk==pc ) continue; @@ -60471,17 +61000,17 @@ static int defragmentPage(MemPage *pPage src = temp; } memcpy(&data[cbrk], &src[pc], size); } data[hdr+7] = 0; defragment_out: if( data[hdr+7]+cbrk-iCellFirst!=pPage->nFree ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( cbrk>=iCellFirst ); put2byte(&data[hdr+5], cbrk); data[hdr+1] = 0; data[hdr+2] = 0; memset(&data[iCellFirst], 0, cbrk-iCellFirst); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); return SQLITE_OK; @@ -60510,28 +61039,28 @@ static u8 *pageFindSlot(MemPage *pPg, in int usableSize = pPg->pBt->usableSize; assert( pc>0 ); do{ int size; /* Size of the free slot */ /* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of ** increasing offset. */ if( pc>usableSize-4 || pc<iAddr+4 ){ - *pRc = SQLITE_CORRUPT_BKPT; + *pRc = SQLITE_CORRUPT_PGNO(pPg->pgno); return 0; } /* EVIDENCE-OF: R-22710-53328 The third and fourth bytes of each ** freeblock form a big-endian integer which is the size of the freeblock ** in bytes, including the 4-byte header. */ size = get2byte(&aData[pc+2]); if( (x = size - nByte)>=0 ){ testcase( x==4 ); testcase( x==3 ); if( pc < pPg->cellOffset+2*pPg->nCell || size+pc > usableSize ){ - *pRc = SQLITE_CORRUPT_BKPT; + *pRc = SQLITE_CORRUPT_PGNO(pPg->pgno); return 0; }else if( x<4 ){ /* EVIDENCE-OF: R-11498-58022 In a well-formed b-tree page, the total ** number of bytes in fragments may not exceed 60. */ if( aData[hdr+7]>57 ) return 0; /* Remove the slot from the free-list. Update the number of ** fragmented bytes within the page. */ @@ -60588,17 +61117,17 @@ static int allocateSpace(MemPage *pPage, ** However, that integer is too large to be stored in a 2-byte unsigned ** integer, so a value of 0 is used in its place. */ top = get2byte(&data[hdr+5]); assert( top<=(int)pPage->pBt->usableSize ); /* Prevent by getAndInitPage() */ if( gap>top ){ if( top==0 && pPage->pBt->usableSize==65536 ){ top = 65536; }else{ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } } /* If there is enough space between gap and top for one more cell pointer ** array entry offset, and if the freelist is not empty, then search the ** freelist looking for a free slot big enough to satisfy the request. */ testcase( gap+2==top ); @@ -60669,74 +61198,76 @@ static int freeSpace(MemPage *pPage, u16 assert( CORRUPT_DB || iStart>=pPage->hdrOffset+6+pPage->childPtrSize ); assert( CORRUPT_DB || iEnd <= pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( iSize>=4 ); /* Minimum cell size is 4 */ assert( iStart<=iLast ); /* Overwrite deleted information with zeros when the secure_delete ** option is enabled */ - if( pPage->pBt->btsFlags & BTS_SECURE_DELETE ){ + if( pPage->pBt->btsFlags & BTS_FAST_SECURE ){ memset(&data[iStart], 0, iSize); } /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. */ hdr = pPage->hdrOffset; iPtr = hdr + 1; if( data[iPtr+1]==0 && data[iPtr]==0 ){ iFreeBlk = 0; /* Shortcut for the case when the freelist is empty */ }else{ while( (iFreeBlk = get2byte(&data[iPtr]))<iStart ){ if( iFreeBlk<iPtr+4 ){ if( iFreeBlk==0 ) break; - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } iPtr = iFreeBlk; } - if( iFreeBlk>iLast ) return SQLITE_CORRUPT_BKPT; + if( iFreeBlk>iLast ) return SQLITE_CORRUPT_PGNO(pPage->pgno); assert( iFreeBlk>iPtr || iFreeBlk==0 ); /* At this point: ** iFreeBlk: First freeblock after iStart, or zero if none ** iPtr: The address of a pointer to iFreeBlk ** ** Check to see if iFreeBlk should be coalesced onto the end of iStart. */ if( iFreeBlk && iEnd+3>=iFreeBlk ){ nFrag = iFreeBlk - iEnd; - if( iEnd>iFreeBlk ) return SQLITE_CORRUPT_BKPT; + if( iEnd>iFreeBlk ) return SQLITE_CORRUPT_PGNO(pPage->pgno); iEnd = iFreeBlk + get2byte(&data[iFreeBlk+2]); - if( iEnd > pPage->pBt->usableSize ) return SQLITE_CORRUPT_BKPT; + if( iEnd > pPage->pBt->usableSize ){ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } iSize = iEnd - iStart; iFreeBlk = get2byte(&data[iFreeBlk]); } /* If iPtr is another freeblock (that is, if iPtr is not the freelist ** pointer in the page header) then check to see if iStart should be ** coalesced onto the end of iPtr. */ if( iPtr>hdr+1 ){ int iPtrEnd = iPtr + get2byte(&data[iPtr+2]); if( iPtrEnd+3>=iStart ){ - if( iPtrEnd>iStart ) return SQLITE_CORRUPT_BKPT; + if( iPtrEnd>iStart ) return SQLITE_CORRUPT_PGNO(pPage->pgno); nFrag += iStart - iPtrEnd; iSize = iEnd - iPtr; iStart = iPtr; } } - if( nFrag>data[hdr+7] ) return SQLITE_CORRUPT_BKPT; + if( nFrag>data[hdr+7] ) return SQLITE_CORRUPT_PGNO(pPage->pgno); data[hdr+7] -= nFrag; } if( iStart==get2byte(&data[hdr+5]) ){ /* The new freeblock is at the beginning of the cell content area, ** so just extend the cell content area rather than create another ** freelist entry */ - if( iPtr!=hdr+1 ) return SQLITE_CORRUPT_BKPT; + if( iPtr!=hdr+1 ) return SQLITE_CORRUPT_PGNO(pPage->pgno); put2byte(&data[hdr+1], iFreeBlk); put2byte(&data[hdr+5], iEnd); }else{ /* Insert the new freeblock into the freelist */ put2byte(&data[iPtr], iStart); put2byte(&data[iStart], iFreeBlk); put2byte(&data[iStart+2], iSize); } @@ -60794,160 +61325,162 @@ static int decodeFlags(MemPage *pPage, i pPage->intKey = 0; pPage->intKeyLeaf = 0; pPage->xParseCell = btreeParseCellPtrIndex; pPage->maxLocal = pBt->maxLocal; pPage->minLocal = pBt->minLocal; }else{ /* EVIDENCE-OF: R-47608-56469 Any other value for the b-tree page type is ** an error. */ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } pPage->max1bytePayload = pBt->max1bytePayload; return SQLITE_OK; } /* ** Initialize the auxiliary information for a disk block. ** ** Return SQLITE_OK on success. If we see that the page does ** not contain a well-formed database page, then return ** SQLITE_CORRUPT. Note that a return of SQLITE_OK does not ** guarantee that the page is well-formed. It only shows that ** we failed to detect any corruption. */ static int btreeInitPage(MemPage *pPage){ + int pc; /* Address of a freeblock within pPage->aData[] */ + u8 hdr; /* Offset to beginning of page header */ + u8 *data; /* Equal to pPage->aData */ + BtShared *pBt; /* The main btree structure */ + int usableSize; /* Amount of usable space on each page */ + u16 cellOffset; /* Offset from start of page to first cell pointer */ + int nFree; /* Number of unused bytes on the page */ + int top; /* First byte of the cell content area */ + int iCellFirst; /* First allowable cell or freeblock offset */ + int iCellLast; /* Last possible cell or freeblock offset */ assert( pPage->pBt!=0 ); assert( pPage->pBt->db!=0 ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( pPage->pgno==sqlite3PagerPagenumber(pPage->pDbPage) ); assert( pPage == sqlite3PagerGetExtra(pPage->pDbPage) ); assert( pPage->aData == sqlite3PagerGetData(pPage->pDbPage) ); - - if( !pPage->isInit ){ - int pc; /* Address of a freeblock within pPage->aData[] */ - u8 hdr; /* Offset to beginning of page header */ - u8 *data; /* Equal to pPage->aData */ - BtShared *pBt; /* The main btree structure */ - int usableSize; /* Amount of usable space on each page */ - u16 cellOffset; /* Offset from start of page to first cell pointer */ - int nFree; /* Number of unused bytes on the page */ - int top; /* First byte of the cell content area */ - int iCellFirst; /* First allowable cell or freeblock offset */ - int iCellLast; /* Last possible cell or freeblock offset */ - - pBt = pPage->pBt; - - hdr = pPage->hdrOffset; - data = pPage->aData; - /* EVIDENCE-OF: R-28594-02890 The one-byte flag at offset 0 indicating - ** the b-tree page type. */ - if( decodeFlags(pPage, data[hdr]) ) return SQLITE_CORRUPT_BKPT; - assert( pBt->pageSize>=512 && pBt->pageSize<=65536 ); - pPage->maskPage = (u16)(pBt->pageSize - 1); - pPage->nOverflow = 0; - usableSize = pBt->usableSize; - pPage->cellOffset = cellOffset = hdr + 8 + pPage->childPtrSize; - pPage->aDataEnd = &data[usableSize]; - pPage->aCellIdx = &data[cellOffset]; - pPage->aDataOfst = &data[pPage->childPtrSize]; - /* EVIDENCE-OF: R-58015-48175 The two-byte integer at offset 5 designates - ** the start of the cell content area. A zero value for this integer is - ** interpreted as 65536. */ - top = get2byteNotZero(&data[hdr+5]); - /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the - ** number of cells on the page. */ - pPage->nCell = get2byte(&data[hdr+3]); - if( pPage->nCell>MX_CELL(pBt) ){ - /* To many cells for a single page. The page must be corrupt */ - return SQLITE_CORRUPT_BKPT; - } - testcase( pPage->nCell==MX_CELL(pBt) ); - /* EVIDENCE-OF: R-24089-57979 If a page contains no cells (which is only - ** possible for a root page of a table that contains no rows) then the - ** offset to the cell content area will equal the page size minus the - ** bytes of reserved space. */ - assert( pPage->nCell>0 || top==usableSize || CORRUPT_DB ); - - /* A malformed database page might cause us to read past the end - ** of page when parsing a cell. - ** - ** The following block of code checks early to see if a cell extends - ** past the end of a page boundary and causes SQLITE_CORRUPT to be - ** returned if it does. - */ - iCellFirst = cellOffset + 2*pPage->nCell; - iCellLast = usableSize - 4; - if( pBt->db->flags & SQLITE_CellSizeCk ){ - int i; /* Index into the cell pointer array */ - int sz; /* Size of a cell */ - - if( !pPage->leaf ) iCellLast--; - for(i=0; i<pPage->nCell; i++){ - pc = get2byteAligned(&data[cellOffset+i*2]); - testcase( pc==iCellFirst ); - testcase( pc==iCellLast ); - if( pc<iCellFirst || pc>iCellLast ){ - return SQLITE_CORRUPT_BKPT; - } - sz = pPage->xCellSize(pPage, &data[pc]); - testcase( pc+sz==usableSize ); - if( pc+sz>usableSize ){ - return SQLITE_CORRUPT_BKPT; - } - } - if( !pPage->leaf ) iCellLast++; - } - - /* Compute the total free space on the page - ** EVIDENCE-OF: R-23588-34450 The two-byte integer at offset 1 gives the - ** start of the first freeblock on the page, or is zero if there are no - ** freeblocks. */ - pc = get2byte(&data[hdr+1]); - nFree = data[hdr+7] + top; /* Init nFree to non-freeblock free space */ - if( pc>0 ){ - u32 next, size; - if( pc<iCellFirst ){ - /* EVIDENCE-OF: R-55530-52930 In a well-formed b-tree page, there will - ** always be at least one cell before the first freeblock. - */ - return SQLITE_CORRUPT_BKPT; - } - while( 1 ){ - if( pc>iCellLast ){ - return SQLITE_CORRUPT_BKPT; /* Freeblock off the end of the page */ - } - next = get2byte(&data[pc]); - size = get2byte(&data[pc+2]); - nFree = nFree + size; - if( next<=pc+size+3 ) break; - pc = next; - } - if( next>0 ){ - return SQLITE_CORRUPT_BKPT; /* Freeblock not in ascending order */ - } - if( pc+size>(unsigned int)usableSize ){ - return SQLITE_CORRUPT_BKPT; /* Last freeblock extends past page end */ - } - } - - /* At this point, nFree contains the sum of the offset to the start - ** of the cell-content area plus the number of free bytes within - ** the cell-content area. If this is greater than the usable-size - ** of the page, then the page must be corrupted. This check also - ** serves to verify that the offset to the start of the cell-content - ** area, according to the page header, lies within the page. - */ - if( nFree>usableSize ){ - return SQLITE_CORRUPT_BKPT; - } - pPage->nFree = (u16)(nFree - iCellFirst); - pPage->isInit = 1; - } + assert( pPage->isInit==0 ); + + pBt = pPage->pBt; + hdr = pPage->hdrOffset; + data = pPage->aData; + /* EVIDENCE-OF: R-28594-02890 The one-byte flag at offset 0 indicating + ** the b-tree page type. */ + if( decodeFlags(pPage, data[hdr]) ){ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + assert( pBt->pageSize>=512 && pBt->pageSize<=65536 ); + pPage->maskPage = (u16)(pBt->pageSize - 1); + pPage->nOverflow = 0; + usableSize = pBt->usableSize; + pPage->cellOffset = cellOffset = hdr + 8 + pPage->childPtrSize; + pPage->aDataEnd = &data[usableSize]; + pPage->aCellIdx = &data[cellOffset]; + pPage->aDataOfst = &data[pPage->childPtrSize]; + /* EVIDENCE-OF: R-58015-48175 The two-byte integer at offset 5 designates + ** the start of the cell content area. A zero value for this integer is + ** interpreted as 65536. */ + top = get2byteNotZero(&data[hdr+5]); + /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the + ** number of cells on the page. */ + pPage->nCell = get2byte(&data[hdr+3]); + if( pPage->nCell>MX_CELL(pBt) ){ + /* To many cells for a single page. The page must be corrupt */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + testcase( pPage->nCell==MX_CELL(pBt) ); + /* EVIDENCE-OF: R-24089-57979 If a page contains no cells (which is only + ** possible for a root page of a table that contains no rows) then the + ** offset to the cell content area will equal the page size minus the + ** bytes of reserved space. */ + assert( pPage->nCell>0 || top==usableSize || CORRUPT_DB ); + + /* A malformed database page might cause us to read past the end + ** of page when parsing a cell. + ** + ** The following block of code checks early to see if a cell extends + ** past the end of a page boundary and causes SQLITE_CORRUPT to be + ** returned if it does. + */ + iCellFirst = cellOffset + 2*pPage->nCell; + iCellLast = usableSize - 4; + if( pBt->db->flags & SQLITE_CellSizeCk ){ + int i; /* Index into the cell pointer array */ + int sz; /* Size of a cell */ + + if( !pPage->leaf ) iCellLast--; + for(i=0; i<pPage->nCell; i++){ + pc = get2byteAligned(&data[cellOffset+i*2]); + testcase( pc==iCellFirst ); + testcase( pc==iCellLast ); + if( pc<iCellFirst || pc>iCellLast ){ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + sz = pPage->xCellSize(pPage, &data[pc]); + testcase( pc+sz==usableSize ); + if( pc+sz>usableSize ){ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + } + if( !pPage->leaf ) iCellLast++; + } + + /* Compute the total free space on the page + ** EVIDENCE-OF: R-23588-34450 The two-byte integer at offset 1 gives the + ** start of the first freeblock on the page, or is zero if there are no + ** freeblocks. */ + pc = get2byte(&data[hdr+1]); + nFree = data[hdr+7] + top; /* Init nFree to non-freeblock free space */ + if( pc>0 ){ + u32 next, size; + if( pc<iCellFirst ){ + /* EVIDENCE-OF: R-55530-52930 In a well-formed b-tree page, there will + ** always be at least one cell before the first freeblock. + */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + while( 1 ){ + if( pc>iCellLast ){ + /* Freeblock off the end of the page */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + next = get2byte(&data[pc]); + size = get2byte(&data[pc+2]); + nFree = nFree + size; + if( next<=pc+size+3 ) break; + pc = next; + } + if( next>0 ){ + /* Freeblock not in ascending order */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + if( pc+size>(unsigned int)usableSize ){ + /* Last freeblock extends past page end */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + } + + /* At this point, nFree contains the sum of the offset to the start + ** of the cell-content area plus the number of free bytes within + ** the cell-content area. If this is greater than the usable-size + ** of the page, then the page must be corrupted. This check also + ** serves to verify that the offset to the start of the cell-content + ** area, according to the page header, lies within the page. + */ + if( nFree>usableSize ){ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } + pPage->nFree = (u16)(nFree - iCellFirst); + pPage->isInit = 1; return SQLITE_OK; } /* ** Set up a raw page so that it looks like a database page holding ** no entries. */ static void zeroPage(MemPage *pPage, int flags){ @@ -60956,17 +61489,17 @@ static void zeroPage(MemPage *pPage, int u8 hdr = pPage->hdrOffset; u16 first; assert( sqlite3PagerPagenumber(pPage->pDbPage)==pPage->pgno ); assert( sqlite3PagerGetExtra(pPage->pDbPage) == (void*)pPage ); assert( sqlite3PagerGetData(pPage->pDbPage) == data ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( sqlite3_mutex_held(pBt->mutex) ); - if( pBt->btsFlags & BTS_SECURE_DELETE ){ + if( pBt->btsFlags & BTS_FAST_SECURE ){ memset(&data[hdr], 0, pBt->usableSize - hdr); } data[hdr] = (char)flags; first = hdr + ((flags&PTF_LEAF)==0 ? 12 : 8); memset(&data[hdr+1], 0, 4); data[hdr+7] = 0; put2byte(&data[hdr+5], pBt->usableSize); pPage->nFree = (u16)(pBt->usableSize - first); @@ -61101,17 +61634,17 @@ static int getAndInitPage( } } assert( (*ppPage)->pgno==pgno ); assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) ); /* If obtaining a child page for a cursor, we must verify that the page is ** compatible with the root page. */ if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(pgno); releasePage(*ppPage); goto getAndInitPage_error; } return SQLITE_OK; getAndInitPage_error: if( pCur ) pCur->iPage--; testcase( pgno==0 ); @@ -61379,18 +61912,20 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( pBt->openFlags = (u8)flags; pBt->db = db; sqlite3PagerSetBusyhandler(pBt->pPager, btreeInvokeBusyHandler, pBt); p->pBt = pBt; pBt->pCursor = 0; pBt->pPage1 = 0; if( sqlite3PagerIsreadonly(pBt->pPager) ) pBt->btsFlags |= BTS_READ_ONLY; -#ifdef SQLITE_SECURE_DELETE +#if defined(SQLITE_SECURE_DELETE) pBt->btsFlags |= BTS_SECURE_DELETE; +#elif defined(SQLITE_FAST_SECURE_DELETE) + pBt->btsFlags |= BTS_OVERWRITE; #endif /* EVIDENCE-OF: R-51873-39618 The page size for a database file is ** determined by the 2-byte integer located at an offset of 16 bytes from ** the beginning of the database file. */ pBt->pageSize = (zDbHeader[16]<<8) | (zDbHeader[17]<<16); if( pBt->pageSize<512 || pBt->pageSize>SQLITE_MAX_PAGE_SIZE || ((pBt->pageSize-1)&pBt->pageSize)!=0 ){ pBt->pageSize = 0; @@ -61828,29 +62363,44 @@ SQLITE_PRIVATE int sqlite3BtreeMaxPageCo int n; sqlite3BtreeEnter(p); n = sqlite3PagerMaxPageCount(p->pBt->pPager, mxPage); sqlite3BtreeLeave(p); return n; } /* -** Set the BTS_SECURE_DELETE flag if newFlag is 0 or 1. If newFlag is -1, -** then make no changes. Always return the value of the BTS_SECURE_DELETE -** setting after the change. +** Change the values for the BTS_SECURE_DELETE and BTS_OVERWRITE flags: +** +** newFlag==0 Both BTS_SECURE_DELETE and BTS_OVERWRITE are cleared +** newFlag==1 BTS_SECURE_DELETE set and BTS_OVERWRITE is cleared +** newFlag==2 BTS_SECURE_DELETE cleared and BTS_OVERWRITE is set +** newFlag==(-1) No changes +** +** This routine acts as a query if newFlag is less than zero +** +** With BTS_OVERWRITE set, deleted content is overwritten by zeros, but +** freelist leaf pages are not written back to the database. Thus in-page +** deleted content is cleared, but freelist deleted content is not. +** +** With BTS_SECURE_DELETE, operation is like BTS_OVERWRITE with the addition +** that freelist leaf pages are written back into the database, increasing +** the amount of disk I/O. */ SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree *p, int newFlag){ int b; if( p==0 ) return 0; sqlite3BtreeEnter(p); + assert( BTS_OVERWRITE==BTS_SECURE_DELETE*2 ); + assert( BTS_FAST_SECURE==(BTS_OVERWRITE|BTS_SECURE_DELETE) ); if( newFlag>=0 ){ - p->pBt->btsFlags &= ~BTS_SECURE_DELETE; - if( newFlag ) p->pBt->btsFlags |= BTS_SECURE_DELETE; - } - b = (p->pBt->btsFlags & BTS_SECURE_DELETE)!=0; + p->pBt->btsFlags &= ~BTS_FAST_SECURE; + p->pBt->btsFlags |= BTS_SECURE_DELETE*newFlag; + } + b = (p->pBt->btsFlags & BTS_FAST_SECURE)/BTS_SECURE_DELETE; sqlite3BtreeLeave(p); return b; } /* ** Change the 'auto-vacuum' property of the database. If the 'autoVacuum' ** parameter is non-zero, then auto-vacuum mode is enabled. If zero, it ** is disabled. The default value for the auto-vacuum property is @@ -62046,17 +62596,17 @@ static int lockBtree(BtShared *pBt){ releasePage(pPage1); pBt->usableSize = usableSize; pBt->pageSize = pageSize; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); return rc; } - if( (pBt->db->flags & SQLITE_RecoveryMode)==0 && nPage>nPageFile ){ + if( (pBt->db->flags & SQLITE_WriteSchema)==0 && nPage>nPageFile ){ rc = SQLITE_CORRUPT_BKPT; goto page1_init_failed; } /* EVIDENCE-OF: R-28312-64704 However, the usable size is not allowed to ** be less than 480. In other words, if the page size is 512, then the ** reserved space size cannot exceed 32. */ if( usableSize<480 ){ goto page1_init_failed; @@ -62389,17 +62939,17 @@ trans_begun: static int setChildPtrmaps(MemPage *pPage){ int i; /* Counter variable */ int nCell; /* Number of cells in page pPage */ int rc; /* Return code */ BtShared *pBt = pPage->pBt; Pgno pgno = pPage->pgno; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - rc = btreeInitPage(pPage); + rc = pPage->isInit ? SQLITE_OK : btreeInitPage(pPage); if( rc!=SQLITE_OK ) return rc; nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); ptrmapPutOvflPtr(pPage, pCell, &rc); @@ -62432,36 +62982,36 @@ static int setChildPtrmaps(MemPage *pPag ** overflow page in the list. */ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); if( eType==PTRMAP_OVERFLOW2 ){ /* The pointer is always the first 4 bytes of the page in this case. */ if( get4byte(pPage->aData)!=iFrom ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } put4byte(pPage->aData, iTo); }else{ int i; int nCell; int rc; - rc = btreeInitPage(pPage); + rc = pPage->isInit ? SQLITE_OK : btreeInitPage(pPage); if( rc ) return rc; nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); if( eType==PTRMAP_OVERFLOW1 ){ CellInfo info; pPage->xParseCell(pPage, pCell, &info); if( info.nLocal<info.nPayload ){ if( pCell+info.nSize > pPage->aData+pPage->pBt->usableSize ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } if( iFrom==get4byte(pCell+info.nSize-4) ){ put4byte(pCell+info.nSize-4, iTo); break; } } }else{ if( get4byte(pCell)==iFrom ){ @@ -62469,17 +63019,17 @@ static int modifyPagePointer(MemPage *pP break; } } } if( i==nCell ){ if( eType!=PTRMAP_BTREE || get4byte(&pPage->aData[pPage->hdrOffset+8])!=iFrom ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } put4byte(&pPage->aData[pPage->hdrOffset+8], iTo); } } return SQLITE_OK; } @@ -63577,17 +64127,17 @@ static int accessPayload( assert( aPayload > pPage->aData ); if( (uptr)(aPayload - pPage->aData) > (pBt->usableSize - pCur->info.nLocal) ){ /* Trying to read or write past the end of the data is an error. The ** conditional above is really: ** &aPayload[pCur->info.nLocal] > &pPage->aData[pBt->usableSize] ** but is recast into its current form to avoid integer overflow problems */ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pPage->pgno); } /* Check if data must be read/written to/from the btree page itself. */ if( offset<pCur->info.nLocal ){ int a = amt; if( a+offset>pCur->info.nLocal ){ a = pCur->info.nLocal - offset; } @@ -63724,17 +64274,18 @@ static int accessPayload( pBuf += a; } if( rc ) break; iIdx++; } } if( rc==SQLITE_OK && amt>0 ){ - return SQLITE_CORRUPT_BKPT; /* Overflow chain ends prematurely */ + /* Overflow chain ends prematurely */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); } return rc; } /* ** Read part of the payload for the row at which that cursor pCur is currently ** pointing. "amt" bytes will be transferred into pBuf[]. The transfer ** begins at "offset". @@ -63990,17 +64541,17 @@ static int moveToRoot(BtCursor *pCur){ ** ** Earlier versions of SQLite assumed that this test could not fail ** if the root page was already loaded when this function was called (i.e. ** if pCur->iPage>=0). But this is not so if the database is corrupted ** in such a way that page pRoot is linked into a second b-tree table ** (or the freelist). */ assert( pRoot->intKey==1 || pRoot->intKey==0 ); if( pRoot->isInit==0 || (pCur->pKeyInfo==0)!=pRoot->intKey ){ - return SQLITE_CORRUPT_BKPT; + return SQLITE_CORRUPT_PGNO(pCur->apPage[pCur->iPage]->pgno); } skip_init: pCur->ix = 0; pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidNKey|BTCF_ValidOvfl); pRoot = pCur->apPage[0]; @@ -64195,26 +64746,29 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnp if( pCur->info.nKey<intKey ){ if( (pCur->curFlags & BTCF_AtLast)!=0 ){ *pRes = -1; return SQLITE_OK; } /* If the requested key is one more than the previous key, then ** try to get there using sqlite3BtreeNext() rather than a full ** binary search. This is an optimization only. The correct answer - ** is still obtained without this ase, only a little more slowely */ + ** is still obtained without this case, only a little more slowely */ if( pCur->info.nKey+1==intKey && !pCur->skipNext ){ *pRes = 0; - rc = sqlite3BtreeNext(pCur, pRes); - if( rc ) return rc; - if( *pRes==0 ){ + rc = sqlite3BtreeNext(pCur, 0); + if( rc==SQLITE_OK ){ getCellInfo(pCur); if( pCur->info.nKey==intKey ){ return SQLITE_OK; } + }else if( rc==SQLITE_DONE ){ + rc = SQLITE_OK; + }else{ + return rc; } } } } if( pIdxKey ){ xRecordCompare = sqlite3VdbeFindCompare(pIdxKey); pIdxKey->errCode = 0; @@ -64260,17 +64814,19 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnp idx = upr>>(1-biasRight); /* idx = biasRight ? upr : (lwr+upr)/2; */ pCur->ix = (u16)idx; if( xRecordCompare==0 ){ for(;;){ i64 nCellKey; pCell = findCellPastPtr(pPage, idx); if( pPage->intKeyLeaf ){ while( 0x80 <= *(pCell++) ){ - if( pCell>=pPage->aDataEnd ) return SQLITE_CORRUPT_BKPT; + if( pCell>=pPage->aDataEnd ){ + return SQLITE_CORRUPT_PGNO(pPage->pgno); + } } } getVarint(pCell, (u64*)&nCellKey); if( nCellKey<intKey ){ lwr = idx+1; if( lwr>upr ){ c = -1; break; } }else if( nCellKey>intKey ){ upr = idx-1; @@ -64333,17 +64889,17 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnp u8 * const pCellBody = pCell - pPage->childPtrSize; pPage->xParseCell(pPage, pCellBody, &pCur->info); nCell = (int)pCur->info.nKey; testcase( nCell<0 ); /* True if key size is 2^32 or more */ testcase( nCell==0 ); /* Invalid key size: 0x80 0x80 0x00 */ testcase( nCell==1 ); /* Invalid key size: 0x80 0x80 0x01 */ testcase( nCell==2 ); /* Minimum legal index key size */ if( nCell<2 ){ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(pPage->pgno); goto moveto_finish; } pCellKey = sqlite3Malloc( nCell+18 ); if( pCellKey==0 ){ rc = SQLITE_NOMEM_BKPT; goto moveto_finish; } pCur->ix = (u16)idx; @@ -64438,53 +64994,50 @@ SQLITE_PRIVATE i64 sqlite3BtreeRowCountE for(n=1, i=0; i<=pCur->iPage; i++){ n *= pCur->apPage[i]->nCell; } return n; } /* -** Advance the cursor to the next entry in the database. If -** successful then set *pRes=0. If the cursor -** was already pointing to the last entry in the database before -** this routine was called, then set *pRes=1. +** Advance the cursor to the next entry in the database. +** Return value: +** +** SQLITE_OK success +** SQLITE_DONE cursor is already pointing at the last element +** otherwise some kind of error occurred ** ** The main entry point is sqlite3BtreeNext(). That routine is optimized ** for the common case of merely incrementing the cell counter BtCursor.aiIdx ** to the next cell on the current page. The (slower) btreeNext() helper ** routine is called when it is necessary to move to a different page or ** to restore the cursor. ** -** The calling function will set *pRes to 0 or 1. The initial *pRes value -** will be 1 if the cursor being stepped corresponds to an SQL index and -** if this routine could have been skipped if that SQL index had been -** a unique index. Otherwise the caller will have set *pRes to zero. -** Zero is the common case. The btree implementation is free to use the -** initial *pRes value as a hint to improve performance, but the current -** SQLite btree implementation does not. (Note that the comdb2 btree -** implementation does use this hint, however.) -*/ -static SQLITE_NOINLINE int btreeNext(BtCursor *pCur, int *pRes){ +** If bit 0x01 of the F argument in sqlite3BtreeNext(C,F) is 1, then the +** cursor corresponds to an SQL index and this routine could have been +** skipped if the SQL index had been a unique index. The F argument +** is a hint to the implement. SQLite btree implementation does not use +** this hint, but COMDB2 does. +*/ +static SQLITE_NOINLINE int btreeNext(BtCursor *pCur){ int rc; int idx; MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); - assert( *pRes==0 ); if( pCur->eState!=CURSOR_VALID ){ assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); rc = restoreCursorPosition(pCur); if( rc!=SQLITE_OK ){ return rc; } if( CURSOR_INVALID==pCur->eState ){ - *pRes = 1; - return SQLITE_OK; + return SQLITE_DONE; } if( pCur->skipNext ){ assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_SKIPNEXT ); pCur->eState = CURSOR_VALID; if( pCur->skipNext>0 ){ pCur->skipNext = 0; return SQLITE_OK; } @@ -64506,96 +65059,90 @@ static SQLITE_NOINLINE int btreeNext(BtC if( idx>=pPage->nCell ){ if( !pPage->leaf ){ rc = moveToChild(pCur, get4byte(&pPage->aData[pPage->hdrOffset+8])); if( rc ) return rc; return moveToLeftmost(pCur); } do{ if( pCur->iPage==0 ){ - *pRes = 1; pCur->eState = CURSOR_INVALID; - return SQLITE_OK; + return SQLITE_DONE; } moveToParent(pCur); pPage = pCur->apPage[pCur->iPage]; }while( pCur->ix>=pPage->nCell ); if( pPage->intKey ){ - return sqlite3BtreeNext(pCur, pRes); + return sqlite3BtreeNext(pCur, 0); }else{ return SQLITE_OK; } } if( pPage->leaf ){ return SQLITE_OK; }else{ return moveToLeftmost(pCur); } } -SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor *pCur, int *pRes){ +SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor *pCur, int flags){ MemPage *pPage; + UNUSED_PARAMETER( flags ); /* Used in COMDB2 but not native SQLite */ assert( cursorOwnsBtShared(pCur) ); - assert( pRes!=0 ); - assert( *pRes==0 || *pRes==1 ); + assert( flags==0 || flags==1 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl); - *pRes = 0; - if( pCur->eState!=CURSOR_VALID ) return btreeNext(pCur, pRes); + if( pCur->eState!=CURSOR_VALID ) return btreeNext(pCur); pPage = pCur->apPage[pCur->iPage]; if( (++pCur->ix)>=pPage->nCell ){ pCur->ix--; - return btreeNext(pCur, pRes); + return btreeNext(pCur); } if( pPage->leaf ){ return SQLITE_OK; }else{ return moveToLeftmost(pCur); } } /* -** Step the cursor to the back to the previous entry in the database. If -** successful then set *pRes=0. If the cursor -** was already pointing to the first entry in the database before -** this routine was called, then set *pRes=1. +** Step the cursor to the back to the previous entry in the database. +** Return values: +** +** SQLITE_OK success +** SQLITE_DONE the cursor is already on the first element of the table +** otherwise some kind of error occurred ** ** The main entry point is sqlite3BtreePrevious(). That routine is optimized ** for the common case of merely decrementing the cell counter BtCursor.aiIdx ** to the previous cell on the current page. The (slower) btreePrevious() ** helper routine is called when it is necessary to move to a different page ** or to restore the cursor. ** -** The calling function will set *pRes to 0 or 1. The initial *pRes value -** will be 1 if the cursor being stepped corresponds to an SQL index and -** if this routine could have been skipped if that SQL index had been -** a unique index. Otherwise the caller will have set *pRes to zero. -** Zero is the common case. The btree implementation is free to use the -** initial *pRes value as a hint to improve performance, but the current -** SQLite btree implementation does not. (Note that the comdb2 btree -** implementation does use this hint, however.) -*/ -static SQLITE_NOINLINE int btreePrevious(BtCursor *pCur, int *pRes){ +** If bit 0x01 of the F argument to sqlite3BtreePrevious(C,F) is 1, then +** the cursor corresponds to an SQL index and this routine could have been +** skipped if the SQL index had been a unique index. The F argument is a +** hint to the implement. The native SQLite btree implementation does not +** use this hint, but COMDB2 does. +*/ +static SQLITE_NOINLINE int btreePrevious(BtCursor *pCur){ int rc; MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); - assert( pRes!=0 ); - assert( *pRes==0 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); assert( (pCur->curFlags & (BTCF_AtLast|BTCF_ValidOvfl|BTCF_ValidNKey))==0 ); assert( pCur->info.nSize==0 ); if( pCur->eState!=CURSOR_VALID ){ rc = restoreCursorPosition(pCur); if( rc!=SQLITE_OK ){ return rc; } if( CURSOR_INVALID==pCur->eState ){ - *pRes = 1; - return SQLITE_OK; + return SQLITE_DONE; } if( pCur->skipNext ){ assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_SKIPNEXT ); pCur->eState = CURSOR_VALID; if( pCur->skipNext<0 ){ pCur->skipNext = 0; return SQLITE_OK; } @@ -64609,47 +65156,45 @@ static SQLITE_NOINLINE int btreePrevious int idx = pCur->ix; rc = moveToChild(pCur, get4byte(findCell(pPage, idx))); if( rc ) return rc; rc = moveToRightmost(pCur); }else{ while( pCur->ix==0 ){ if( pCur->iPage==0 ){ pCur->eState = CURSOR_INVALID; - *pRes = 1; - return SQLITE_OK; + return SQLITE_DONE; } moveToParent(pCur); } assert( pCur->info.nSize==0 ); assert( (pCur->curFlags & (BTCF_ValidOvfl))==0 ); pCur->ix--; pPage = pCur->apPage[pCur->iPage]; if( pPage->intKey && !pPage->leaf ){ - rc = sqlite3BtreePrevious(pCur, pRes); + rc = sqlite3BtreePrevious(pCur, 0); }else{ rc = SQLITE_OK; } } return rc; } -SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int *pRes){ +SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int flags){ assert( cursorOwnsBtShared(pCur) ); - assert( pRes!=0 ); - assert( *pRes==0 || *pRes==1 ); + assert( flags==0 || flags==1 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); - *pRes = 0; + UNUSED_PARAMETER( flags ); /* Used in COMDB2 but not native SQLite */ pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidOvfl|BTCF_ValidNKey); pCur->info.nSize = 0; if( pCur->eState!=CURSOR_VALID || pCur->ix==0 || pCur->apPage[pCur->iPage]->leaf==0 ){ - return btreePrevious(pCur, pRes); + return btreePrevious(pCur); } pCur->ix--; return SQLITE_OK; } /* ** Allocate a new page from the database file. ** @@ -64747,17 +65292,17 @@ static int allocateBtreePage( }else{ /* EVIDENCE-OF: R-59841-13798 The 4-byte big-endian integer at offset 32 ** stores the page number of the first page of the freelist, or zero if ** the freelist is empty. */ iTrunk = get4byte(&pPage1->aData[32]); } testcase( iTrunk==mxPage ); if( iTrunk>mxPage || nSearch++ > n ){ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(pPrevTrunk ? pPrevTrunk->pgno : 1); }else{ rc = btreeGetUnusedPage(pBt, iTrunk, &pTrunk, 0); } if( rc ){ pTrunk = 0; goto end_allocate_page; } assert( pTrunk!=0 ); @@ -64776,17 +65321,17 @@ static int allocateBtreePage( } *pPgno = iTrunk; memcpy(&pPage1->aData[32], &pTrunk->aData[0], 4); *ppPage = pTrunk; pTrunk = 0; TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); }else if( k>(u32)(pBt->usableSize/4 - 2) ){ /* Value of k is out of range. Database corruption */ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; #ifndef SQLITE_OMIT_AUTOVACUUM }else if( searchList && (nearby==iTrunk || (iTrunk<nearby && eMode==BTALLOC_LE)) ){ /* The list is being searched and this trunk page is the page ** to allocate, regardless of whether it has leaves. */ @@ -64810,17 +65355,17 @@ static int allocateBtreePage( }else{ /* The trunk page is required by the caller but it contains ** pointers to free-list leaves. The first leaf becomes a trunk ** page in this case. */ MemPage *pNewTrunk; Pgno iNewTrunk = get4byte(&pTrunk->aData[8]); if( iNewTrunk>mxPage ){ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; } testcase( iNewTrunk==mxPage ); rc = btreeGetUnusedPage(pBt, iNewTrunk, &pNewTrunk, 0); if( rc!=SQLITE_OK ){ goto end_allocate_page; } rc = sqlite3PagerWrite(pNewTrunk->pDbPage); @@ -64875,17 +65420,17 @@ static int allocateBtreePage( } }else{ closest = 0; } iPage = get4byte(&aData[8+closest*4]); testcase( iPage==mxPage ); if( iPage>mxPage ){ - rc = SQLITE_CORRUPT_BKPT; + rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; } testcase( iPage==mxPage ); if( !searchList || (iPage==nearby || (iPage<nearby && eMode==BTALLOC_LE)) ){ int noContent; *pPgno = iPage; @@ -65145,17 +65690,18 @@ static int clearCell( u32 ovflPageSize; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); pPage->xParseCell(pPage, pCell, pInfo); if( pInfo->nLocal==pInfo->nPayload ){ return SQLITE_OK; /* No overflow pages. Return without doing anything */ } if( pCell+pInfo->nSize-1 > pPage->aData+pPage->maskPage ){ - return SQLITE_CORRUPT_BKPT; /* Cell extends past end of page */ + /* Cell extends past end of page */ + return SQLITE_CORRUPT_PGNO(pPage->pgno); } ovflPgno = get4byte(pCell + pInfo->nSize - 4); assert( pBt->usableSize > 4 ); ovflPageSize = pBt->usableSize - 4; nOvfl = (pInfo->nPayload - pInfo->nLocal + ovflPageSize - 1)/ovflPageSize; assert( nOvfl>0 || (CORRUPT_DB && (pInfo->nPayload + ovflPageSize)<ovflPageSize) ); @@ -66240,17 +66786,17 @@ static int balance_nonroot( ** four bytes of the divider cell. So the pointer is safe to use ** later on. ** ** But not if we are in secure-delete mode. In secure-delete mode, ** the dropCell() routine will overwrite the entire cell with zeroes. ** In this case, temporarily copy the cell into the aOvflSpace[] ** buffer. It will be copied out again as soon as the aSpace[] buffer ** is allocated. */ - if( pBt->btsFlags & BTS_SECURE_DELETE ){ + if( pBt->btsFlags & BTS_FAST_SECURE ){ int iOff; iOff = SQLITE_PTR_TO_INT(apDiv[i]) - SQLITE_PTR_TO_INT(pParent->aData); if( (iOff+szNew[i])>(int)pBt->usableSize ){ rc = SQLITE_CORRUPT_BKPT; memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; }else{ @@ -67360,18 +67906,18 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(Bt /* If the page containing the entry to delete is not a leaf page, move ** the cursor to the largest entry in the tree that is smaller than ** the entry being deleted. This cell will replace the cell being deleted ** from the internal node. The 'previous' entry is used for this instead ** of the 'next' entry, as the previous entry is always a part of the ** sub-tree headed by the child page of the cell being deleted. This makes ** balancing the tree following the delete operation easier. */ if( !pPage->leaf ){ - int notUsed = 0; - rc = sqlite3BtreePrevious(pCur, ¬Used); + rc = sqlite3BtreePrevious(pCur, 0); + assert( rc!=SQLITE_DONE ); if( rc ) return rc; } /* Save the positions of any other cursors open on this table before ** making any modifications. */ if( pCur->curFlags & BTCF_Multiple ){ rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); if( rc ) return rc; @@ -69723,32 +70269,57 @@ copy_finished: /* ** Check invariants on a Mem object. ** ** This routine is intended for use inside of assert() statements, like ** this: assert( sqlite3VdbeCheckMemInvariants(pMem) ); */ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ /* If MEM_Dyn is set then Mem.xDel!=0. - ** Mem.xDel is might not be initialized if MEM_Dyn is clear. + ** Mem.xDel might not be initialized if MEM_Dyn is clear. */ assert( (p->flags & MEM_Dyn)==0 || p->xDel!=0 ); /* MEM_Dyn may only be set if Mem.szMalloc==0. In this way we ** ensure that if Mem.szMalloc>0 then it is safe to do ** Mem.z = Mem.zMalloc without having to check Mem.flags&MEM_Dyn. ** That saves a few cycles in inner loops. */ assert( (p->flags & MEM_Dyn)==0 || p->szMalloc==0 ); /* Cannot be both MEM_Int and MEM_Real at the same time */ assert( (p->flags & (MEM_Int|MEM_Real))!=(MEM_Int|MEM_Real) ); - /* Cannot be both MEM_Null and some other type */ - assert( (p->flags & MEM_Null)==0 || - (p->flags & (MEM_Int|MEM_Real|MEM_Str|MEM_Blob))==0 ); + if( p->flags & MEM_Null ){ + /* Cannot be both MEM_Null and some other type */ + assert( (p->flags & (MEM_Int|MEM_Real|MEM_Str|MEM_Blob + |MEM_RowSet|MEM_Frame|MEM_Agg|MEM_Zero))==0 ); + + /* If MEM_Null is set, then either the value is a pure NULL (the usual + ** case) or it is a pointer set using sqlite3_bind_pointer() or + ** sqlite3_result_pointer(). If a pointer, then MEM_Term must also be + ** set. + */ + if( (p->flags & (MEM_Term|MEM_Subtype))==(MEM_Term|MEM_Subtype) ){ + /* This is a pointer type. There may be a flag to indicate what to + ** do with the pointer. */ + assert( ((p->flags&MEM_Dyn)!=0 ? 1 : 0) + + ((p->flags&MEM_Ephem)!=0 ? 1 : 0) + + ((p->flags&MEM_Static)!=0 ? 1 : 0) <= 1 ); + + /* No other bits set */ + assert( (p->flags & ~(MEM_Null|MEM_Term|MEM_Subtype + |MEM_Dyn|MEM_Ephem|MEM_Static))==0 ); + }else{ + /* A pure NULL might have other flags, such as MEM_Static, MEM_Dyn, + ** MEM_Ephem, MEM_Cleared, or MEM_Subtype */ + } + }else{ + /* The MEM_Cleared bit is only allowed on NULLs */ + assert( (p->flags & MEM_Cleared)==0 ); + } /* The szMalloc field holds the correct memory allocation size */ assert( p->szMalloc==0 || p->szMalloc==sqlite3DbMallocSize(p->db,p->zMalloc) ); /* If p holds a string or blob, the Mem.z must point to exactly ** one of the following: ** @@ -70401,16 +70972,37 @@ SQLITE_PRIVATE void sqlite3VdbeMemSetInt if( VdbeMemDynamic(pMem) ){ vdbeReleaseAndSetInt64(pMem, val); }else{ pMem->u.i = val; pMem->flags = MEM_Int; } } +/* A no-op destructor */ +static void sqlite3NoopDestructor(void *p){ UNUSED_PARAMETER(p); } + +/* +** Set the value stored in *pMem should already be a NULL. +** Also store a pointer to go with it. +*/ +SQLITE_PRIVATE void sqlite3VdbeMemSetPointer( + Mem *pMem, + void *pPtr, + const char *zPType, + void (*xDestructor)(void*) +){ + assert( pMem->flags==MEM_Null ); + pMem->u.zPType = zPType ? zPType : ""; + pMem->z = pPtr; + pMem->flags = MEM_Null|MEM_Dyn|MEM_Subtype|MEM_Term; + pMem->eSubtype = 'p'; + pMem->xDel = xDestructor ? xDestructor : sqlite3NoopDestructor; +} + #ifndef SQLITE_OMIT_FLOATING_POINT /* ** Delete any previous value and set the value stored in *pMem to val, ** manifest type REAL. */ SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem *pMem, double val){ sqlite3VdbeMemSetNull(pMem); if( !sqlite3IsNaN(val) ){ @@ -71021,17 +71613,17 @@ static int valueFromExpr( sqlite3ValueApplyAffinity(pVal, affinity, SQLITE_UTF8); } if( pVal->flags & (MEM_Int|MEM_Real) ) pVal->flags &= ~MEM_Str; if( enc!=SQLITE_UTF8 ){ rc = sqlite3VdbeChangeEncoding(pVal, enc); } }else if( op==TK_UMINUS ) { /* This branch happens for multiple negative signs. Ex: -(-5) */ - if( SQLITE_OK==sqlite3ValueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal) + if( SQLITE_OK==valueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal,pCtx) && pVal!=0 ){ sqlite3VdbeMemNumerify(pVal); if( pVal->flags & MEM_Real ){ pVal->u.r = -pVal->u.r; }else if( pVal->u.i==SMALLEST_INT64 ){ pVal->u.r = -(double)SMALLEST_INT64; MemSetTypeFlag(pVal, MEM_Real); @@ -71178,34 +71770,31 @@ static int stat4ValueFromExpr( ){ int rc = SQLITE_OK; sqlite3_value *pVal = 0; sqlite3 *db = pParse->db; /* Skip over any TK_COLLATE nodes */ pExpr = sqlite3ExprSkipCollate(pExpr); + assert( pExpr==0 || pExpr->op!=TK_REGISTER || pExpr->op2!=TK_VARIABLE ); if( !pExpr ){ pVal = valueNew(db, pAlloc); if( pVal ){ sqlite3VdbeMemSetNull((Mem*)pVal); } - }else if( pExpr->op==TK_VARIABLE - || NEVER(pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE) - ){ + }else if( pExpr->op==TK_VARIABLE && (db->flags & SQLITE_EnableQPSG)==0 ){ Vdbe *v; int iBindVar = pExpr->iColumn; sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar); if( (v = pParse->pReprepare)!=0 ){ pVal = valueNew(db, pAlloc); if( pVal ){ rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]); - if( rc==SQLITE_OK ){ - sqlite3ValueApplyAffinity(pVal, affinity, ENC(db)); - } + sqlite3ValueApplyAffinity(pVal, affinity, ENC(db)); pVal->db = pParse->db; } } }else{ rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, pAlloc); } assert( pVal==0 || pVal->db==db ); @@ -71469,26 +72058,24 @@ SQLITE_PRIVATE void sqlite3VdbeError(Vdb va_start(ap, zFormat); p->zErrMsg = sqlite3VMPrintf(p->db, zFormat, ap); va_end(ap); } /* ** Remember the SQL string for a prepared statement. */ -SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe *p, const char *z, int n, int isPrepareV2){ - assert( isPrepareV2==1 || isPrepareV2==0 ); +SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe *p, const char *z, int n, u8 prepFlags){ if( p==0 ) return; - if( !isPrepareV2 ) p->expmask = 0; -#if defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_ENABLE_SQLLOG) - if( !isPrepareV2 ) return; -#endif + p->prepFlags = prepFlags; + if( (prepFlags & SQLITE_PREPARE_SAVESQL)==0 ){ + p->expmask = 0; + } assert( p->zSql==0 ); p->zSql = sqlite3DbStrNDup(p->db, z, n); - p->isPrepareV2 = (u8)isPrepareV2; } /* ** Swap all content between two VDBE structures. */ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){ Vdbe tmp, *pTmp; char *zTmp; @@ -71500,18 +72087,20 @@ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe pA->pNext = pB->pNext; pB->pNext = pTmp; pTmp = pA->pPrev; pA->pPrev = pB->pPrev; pB->pPrev = pTmp; zTmp = pA->zSql; pA->zSql = pB->zSql; pB->zSql = zTmp; - pB->isPrepareV2 = pA->isPrepareV2; pB->expmask = pA->expmask; + pB->prepFlags = pA->prepFlags; + memcpy(pB->aCounter, pA->aCounter, sizeof(pB->aCounter)); + pB->aCounter[SQLITE_STMTSTATUS_REPREPARE]++; } /* ** Resize the Vdbe.aOp array so that it is at least nOp elements larger ** than its current size. nOp is guaranteed to be less than or equal ** to 1024/sizeof(Op). ** ** If an out-of-memory error occurs while resizing the array, return @@ -71657,31 +72246,37 @@ SQLITE_PRIVATE int sqlite3VdbeLoadString /* ** Generate code that initializes multiple registers to string or integer ** constants. The registers begin with iDest and increase consecutively. ** One register is initialized for each characgter in zTypes[]. For each ** "s" character in zTypes[], the register is a string if the argument is ** not NULL, or OP_Null if the value is a null pointer. For each "i" character ** in zTypes[], the register is initialized to an integer. +** +** If the input string does not end with "X" then an OP_ResultRow instruction +** is generated for the values inserted. */ SQLITE_PRIVATE void sqlite3VdbeMultiLoad(Vdbe *p, int iDest, const char *zTypes, ...){ va_list ap; int i; char c; va_start(ap, zTypes); for(i=0; (c = zTypes[i])!=0; i++){ if( c=='s' ){ const char *z = va_arg(ap, const char*); - sqlite3VdbeAddOp4(p, z==0 ? OP_Null : OP_String8, 0, iDest++, 0, z, 0); - }else{ - assert( c=='i' ); - sqlite3VdbeAddOp2(p, OP_Integer, va_arg(ap, int), iDest++); - } - } + sqlite3VdbeAddOp4(p, z==0 ? OP_Null : OP_String8, 0, iDest+i, 0, z, 0); + }else if( c=='i' ){ + sqlite3VdbeAddOp2(p, OP_Integer, va_arg(ap, int), iDest+i); + }else{ + goto skip_op_resultrow; + } + } + sqlite3VdbeAddOp2(p, OP_ResultRow, iDest, i); +skip_op_resultrow: va_end(ap); } /* ** Add an opcode that includes the p4 value as a pointer. */ SQLITE_PRIVATE int sqlite3VdbeAddOp4( Vdbe *p, /* Add the opcode to this VM */ @@ -72295,17 +72890,17 @@ static void freeP4(sqlite3 *db, int p4ty ** Free the space allocated for aOp and any p4 values allocated for the ** opcodes contained within. If aOp is not NULL it is assumed to contain ** nOp entries. */ static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){ if( aOp ){ Op *pOp; for(pOp=&aOp[nOp-1]; pOp>=aOp; pOp--){ - if( pOp->p4type ) freeP4(db, pOp->p4type, pOp->p4.p); + if( pOp->p4type <= P4_FREE_IF_LE ) freeP4(db, pOp->p4type, pOp->p4.p); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS sqlite3DbFree(db, pOp->zComment); #endif } sqlite3DbFreeNN(db, aOp); } } @@ -73575,27 +74170,28 @@ static void Cleanup(Vdbe *p){ /* ** Set the number of result columns that will be returned by this SQL ** statement. This is now set at compile time, rather than during ** execution of the vdbe program so that sqlite3_column_count() can ** be called on an SQL statement before sqlite3_step(). */ SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){ - Mem *pColName; int n; sqlite3 *db = p->db; - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); - sqlite3DbFree(db, p->aColName); + if( p->nResColumn ){ + releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + sqlite3DbFree(db, p->aColName); + } n = nResColumn*COLNAME_N; p->nResColumn = (u16)nResColumn; - p->aColName = pColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); + p->aColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); if( p->aColName==0 ) return; - initMemArray(p->aColName, n, p->db, MEM_Null); + initMemArray(p->aColName, n, db, MEM_Null); } /* ** Set the name of the idx'th column to be returned by the SQL statement. ** zName must be a pointer to a nul terminated string. ** ** This call must be made after a call to sqlite3VdbeSetNumCols(). ** @@ -74235,20 +74831,20 @@ SQLITE_PRIVATE int sqlite3VdbeTransferEr int rc = p->rc; if( p->zErrMsg ){ db->bBenignMalloc++; sqlite3BeginBenignMalloc(); if( db->pErr==0 ) db->pErr = sqlite3ValueNew(db); sqlite3ValueSetStr(db->pErr, -1, p->zErrMsg, SQLITE_UTF8, SQLITE_TRANSIENT); sqlite3EndBenignMalloc(); db->bBenignMalloc--; - db->errCode = rc; - }else{ - sqlite3Error(db, rc); - } + }else if( db->pErr ){ + sqlite3ValueSetNull(db->pErr); + } + db->errCode = rc; return rc; } #ifdef SQLITE_ENABLE_SQLLOG /* ** If an SQLITE_CONFIG_SQLLOG hook is registered and the VM has been run, ** invoke it. */ @@ -75146,29 +75742,30 @@ static int vdbeCompareMemString( ){ if( pMem1->enc==pColl->enc ){ /* The strings are already in the correct encoding. Call the ** comparison function directly */ return pColl->xCmp(pColl->pUser,pMem1->n,pMem1->z,pMem2->n,pMem2->z); }else{ int rc; const void *v1, *v2; - int n1, n2; Mem c1; Mem c2; sqlite3VdbeMemInit(&c1, pMem1->db, MEM_Null); sqlite3VdbeMemInit(&c2, pMem1->db, MEM_Null); sqlite3VdbeMemShallowCopy(&c1, pMem1, MEM_Ephem); sqlite3VdbeMemShallowCopy(&c2, pMem2, MEM_Ephem); v1 = sqlite3ValueText((sqlite3_value*)&c1, pColl->enc); - n1 = v1==0 ? 0 : c1.n; v2 = sqlite3ValueText((sqlite3_value*)&c2, pColl->enc); - n2 = v2==0 ? 0 : c2.n; - rc = pColl->xCmp(pColl->pUser, n1, v1, n2, v2); - if( (v1==0 || v2==0) && prcErr ) *prcErr = SQLITE_NOMEM_BKPT; + if( (v1==0 || v2==0) ){ + if( prcErr ) *prcErr = SQLITE_NOMEM_BKPT; + rc = 0; + }else{ + rc = pColl->xCmp(pColl->pUser, c1.n, v1, c2.n, v2); + } sqlite3VdbeMemRelease(&c1); sqlite3VdbeMemRelease(&c2); return rc; } } /* ** The input pBlob is guaranteed to be a Blob that is not marked @@ -75944,27 +76541,35 @@ SQLITE_PRIVATE void sqlite3ExpirePrepare /* ** Return the database associated with the Vdbe. */ SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe *v){ return v->db; } /* +** Return the SQLITE_PREPARE flags for a Vdbe. +*/ +SQLITE_PRIVATE u8 sqlite3VdbePrepareFlags(Vdbe *v){ + return v->prepFlags; +} + +/* ** Return a pointer to an sqlite3_value structure containing the value bound ** parameter iVar of VM v. Except, if the value is an SQL NULL, return ** 0 instead. Unless it is NULL, apply affinity aff (one of the SQLITE_AFF_* ** constants) to the value before returning it. ** ** The returned value must be freed by the caller using sqlite3ValueFree(). */ SQLITE_PRIVATE sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe *v, int iVar, u8 aff){ assert( iVar>0 ); if( v ){ Mem *pMem = &v->aVar[iVar-1]; + assert( (v->db->flags & SQLITE_EnableQPSG)==0 ); if( 0==(pMem->flags & MEM_Null) ){ sqlite3_value *pRet = sqlite3ValueNew(v->db); if( pRet ){ sqlite3VdbeMemCopy((Mem *)pRet, pMem); sqlite3ValueApplyAffinity(pRet, aff, SQLITE_UTF8); } return pRet; } @@ -75974,23 +76579,46 @@ SQLITE_PRIVATE sqlite3_value *sqlite3Vdb /* ** Configure SQL variable iVar so that binding a new value to it signals ** to sqlite3_reoptimize() that re-preparing the statement may result ** in a better query plan. */ SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe *v, int iVar){ assert( iVar>0 ); + assert( (v->db->flags & SQLITE_EnableQPSG)==0 ); if( iVar>=32 ){ v->expmask |= 0x80000000; }else{ v->expmask |= ((u32)1 << (iVar-1)); } } +/* +** Cause a function to throw an error if it was call from OP_PureFunc +** rather than OP_Function. +** +** OP_PureFunc means that the function must be deterministic, and should +** throw an error if it is given inputs that would make it non-deterministic. +** This routine is invoked by date/time functions that use non-deterministic +** features such as 'now'. +*/ +SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context *pCtx){ +#ifdef SQLITE_ENABLE_STAT3_OR_STAT4 + if( pCtx->pVdbe==0 ) return 1; +#endif + if( pCtx->pVdbe->aOp[pCtx->iOp].opcode==OP_PureFunc ){ + sqlite3_result_error(pCtx, + "non-deterministic function in index expression or CHECK constraint", + -1); + return 0; + } + return 1; +} + #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Transfer error message text from an sqlite3_vtab.zErrMsg (text stored ** in memory obtained from sqlite3_malloc) into a Vdbe.zErrMsg (text stored ** in memory obtained from sqlite3DbMalloc). */ SQLITE_PRIVATE void sqlite3VtabImportErrmsg(Vdbe *p, sqlite3_vtab *pVtab){ if( pVtab->zErrMsg ){ @@ -76245,17 +76873,17 @@ SQLITE_API int sqlite3_clear_bindings(sq #if SQLITE_THREADSAFE sqlite3_mutex *mutex = ((Vdbe*)pStmt)->db->mutex; #endif sqlite3_mutex_enter(mutex); for(i=0; i<p->nVar; i++){ sqlite3VdbeMemRelease(&p->aVar[i]); p->aVar[i].flags = MEM_Null; } - assert( p->isPrepareV2 || p->expmask==0 ); + assert( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || p->expmask==0 ); if( p->expmask ){ p->expired = 1; } sqlite3_mutex_leave(mutex); return rc; } @@ -76290,16 +76918,29 @@ SQLITE_API int sqlite3_value_int(sqlite3 } SQLITE_API sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value *pVal){ Mem *pMem = (Mem*)pVal; return ((pMem->flags & MEM_Subtype) ? pMem->eSubtype : 0); } +SQLITE_API void *sqlite3_value_pointer(sqlite3_value *pVal, const char *zPType){ + Mem *p = (Mem*)pVal; + if( (p->flags&(MEM_TypeMask|MEM_Term|MEM_Subtype)) == + (MEM_Null|MEM_Term|MEM_Subtype) + && zPType!=0 + && p->eSubtype=='p' + && strcmp(p->u.zPType, zPType)==0 + ){ + return (void*)p->z; + }else{ + return 0; + } +} SQLITE_API const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 SQLITE_API const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); } SQLITE_API const void *sqlite3_value_text16be(sqlite3_value *pVal){ @@ -76468,16 +77109,27 @@ SQLITE_API void sqlite3_result_int(sqlit SQLITE_API void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } SQLITE_API void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } +SQLITE_API void sqlite3_result_pointer( + sqlite3_context *pCtx, + void *pPtr, + const char *zPType, + void (*xDestructor)(void*) +){ + Mem *pOut = pCtx->pOut; + assert( sqlite3_mutex_held(pOut->db->mutex) ); + sqlite3VdbeMemSetNull(pOut); + sqlite3VdbeMemSetPointer(pOut, pPtr, zPType, xDestructor); +} SQLITE_API void sqlite3_result_subtype(sqlite3_context *pCtx, unsigned int eSubtype){ Mem *pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); pOut->eSubtype = eSubtype & 0xff; pOut->flags |= MEM_Subtype; } SQLITE_API void sqlite3_result_text( sqlite3_context *pCtx, @@ -76724,18 +77376,21 @@ end_of_step: ** be one of the values in the first assert() below. Variable p->rc ** contains the value that would be returned if sqlite3_finalize() ** were called on statement p. */ assert( rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR || (rc&0xff)==SQLITE_BUSY || rc==SQLITE_MISUSE ); assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp ); - if( p->isPrepareV2 && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){ - /* If this statement was prepared using sqlite3_prepare_v2(), and an + if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 + && rc!=SQLITE_ROW + && rc!=SQLITE_DONE + ){ + /* If this statement was prepared using saved SQL and an ** error has occurred, then return the error code in p->rc to the ** caller. Set the error code in the database handle to the same value. */ rc = sqlite3VdbeTransferError(p); } return (rc&db->errMask); } @@ -77364,17 +78019,17 @@ static int vdbeUnbind(Vdbe *p, int i){ ** binding a new value to this variable invalidates the current query plan. ** ** IMPLEMENTATION-OF: R-48440-37595 If the specific value bound to host ** parameter in the WHERE clause might influence the choice of query plan ** for a statement, then the statement will be automatically recompiled, ** as if there had been a schema change, on the first sqlite3_step() call ** following any change to the bindings of that parameter. */ - assert( p->isPrepareV2 || p->expmask==0 ); + assert( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || p->expmask==0 ); if( p->expmask!=0 && (p->expmask & (i>=31 ? 0x80000000 : (u32)1<<i))!=0 ){ p->expired = 1; } return SQLITE_OK; } /* ** Bind a text or BLOB value. @@ -77394,18 +78049,20 @@ static int bindText( rc = vdbeUnbind(p, i); if( rc==SQLITE_OK ){ if( zData!=0 ){ pVar = &p->aVar[i-1]; rc = sqlite3VdbeMemSetStr(pVar, zData, nData, encoding, xDel); if( rc==SQLITE_OK && encoding!=0 ){ rc = sqlite3VdbeChangeEncoding(pVar, ENC(p->db)); } - sqlite3Error(p->db, rc); - rc = sqlite3ApiExit(p->db, rc); + if( rc ){ + sqlite3Error(p->db, rc); + rc = sqlite3ApiExit(p->db, rc); + } } sqlite3_mutex_leave(p->db->mutex); }else if( xDel!=SQLITE_STATIC && xDel!=SQLITE_TRANSIENT ){ xDel((void*)zData); } return rc; } @@ -77466,16 +78123,34 @@ SQLITE_API int sqlite3_bind_null(sqlite3 int rc; Vdbe *p = (Vdbe*)pStmt; rc = vdbeUnbind(p, i); if( rc==SQLITE_OK ){ sqlite3_mutex_leave(p->db->mutex); } return rc; } +SQLITE_API int sqlite3_bind_pointer( + sqlite3_stmt *pStmt, + int i, + void *pPtr, + const char *zPTtype, + void (*xDestructor)(void*) +){ + int rc; + Vdbe *p = (Vdbe*)pStmt; + rc = vdbeUnbind(p, i); + if( rc==SQLITE_OK ){ + sqlite3VdbeMemSetPointer(&p->aVar[i-1], pPtr, zPTtype, xDestructor); + sqlite3_mutex_leave(p->db->mutex); + }else if( xDestructor ){ + xDestructor(pPtr); + } + return rc; +} SQLITE_API int sqlite3_bind_text( sqlite3_stmt *pStmt, int i, const char *zData, int nData, void (*xDel)(void*) ){ return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF8); @@ -77628,21 +78303,21 @@ SQLITE_PRIVATE int sqlite3TransferBindin ** SQLITE_OK is returned. */ SQLITE_API int sqlite3_transfer_bindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){ Vdbe *pFrom = (Vdbe*)pFromStmt; Vdbe *pTo = (Vdbe*)pToStmt; if( pFrom->nVar!=pTo->nVar ){ return SQLITE_ERROR; } - assert( pTo->isPrepareV2 || pTo->expmask==0 ); + assert( (pTo->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || pTo->expmask==0 ); if( pTo->expmask ){ pTo->expired = 1; } - assert( pFrom->isPrepareV2 || pFrom->expmask==0 ); + assert( (pFrom->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || pFrom->expmask==0 ); if( pFrom->expmask ){ pFrom->expired = 1; } return sqlite3TransferBindings(pFromStmt, pToStmt); } #endif /* @@ -77702,18 +78377,29 @@ SQLITE_API int sqlite3_stmt_status(sqlit Vdbe *pVdbe = (Vdbe*)pStmt; u32 v; #ifdef SQLITE_ENABLE_API_ARMOR if( !pStmt ){ (void)SQLITE_MISUSE_BKPT; return 0; } #endif - v = pVdbe->aCounter[op]; - if( resetFlag ) pVdbe->aCounter[op] = 0; + if( op==SQLITE_STMTSTATUS_MEMUSED ){ + sqlite3 *db = pVdbe->db; + sqlite3_mutex_enter(db->mutex); + v = 0; + db->pnBytesFreed = (int*)&v; + sqlite3VdbeClearObject(db, pVdbe); + sqlite3DbFree(db, pVdbe); + db->pnBytesFreed = 0; + sqlite3_mutex_leave(db->mutex); + }else{ + v = pVdbe->aCounter[op]; + if( resetFlag ) pVdbe->aCounter[op] = 0; + } return (int)v; } /* ** Return the SQL associated with a prepared statement */ SQLITE_API const char *sqlite3_sql(sqlite3_stmt *pStmt){ Vdbe *p = (Vdbe *)pStmt; @@ -78858,17 +79544,17 @@ SQLITE_PRIVATE int sqlite3VdbeExec( #endif int rc = SQLITE_OK; /* Value to return */ sqlite3 *db = p->db; /* The database */ u8 resetSchemaOnFault = 0; /* Reset schema after an error if positive */ u8 encoding = ENC(db); /* The database encoding */ int iCompare = 0; /* Result of last comparison */ unsigned nVmStep = 0; /* Number of virtual machine steps */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK - unsigned nProgressLimit = 0;/* Invoke xProgress() when nVmStep reaches this */ + unsigned nProgressLimit; /* Invoke xProgress() when nVmStep reaches this */ #endif Mem *aMem = p->aMem; /* Copy of p->aMem */ Mem *pIn1 = 0; /* 1st input operand */ Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ #ifdef VDBE_PROFILE u64 start; /* CPU clock count at start of opcode */ @@ -78890,16 +79576,18 @@ SQLITE_PRIVATE int sqlite3VdbeExec( db->busyHandler.nBusy = 0; if( db->u1.isInterrupted ) goto abort_due_to_interrupt; sqlite3VdbeIOTraceSql(p); #ifndef SQLITE_OMIT_PROGRESS_CALLBACK if( db->xProgress ){ u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP]; assert( 0 < db->nProgressOps ); nProgressLimit = db->nProgressOps - (iPrior % db->nProgressOps); + }else{ + nProgressLimit = 0xffffffff; } #endif #ifdef SQLITE_DEBUG sqlite3BeginBenignMalloc(); if( p->pc==0 && (p->db->flags & (SQLITE_VdbeListing|SQLITE_VdbeEQP|SQLITE_VdbeTrace))!=0 ){ int i; @@ -79067,17 +79755,17 @@ check_for_interrupt: if( db->u1.isInterrupted ) goto abort_due_to_interrupt; #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Call the progress callback if it is configured and the required number ** of VDBE ops have been executed (either since this invocation of ** sqlite3VdbeExec() or since last time the progress callback was called). ** If the progress callback returns non-zero, exit the virtual machine with ** a return code SQLITE_ABORT. */ - if( db->xProgress!=0 && nVmStep>=nProgressLimit ){ + if( nVmStep>=nProgressLimit && db->xProgress!=0 ){ assert( db->nProgressOps!=0 ); nProgressLimit = nVmStep + db->nProgressOps - (nVmStep%db->nProgressOps); if( db->xProgress(db->pProgressArg) ){ rc = SQLITE_INTERRUPT; goto abort_due_to_error; } } #endif @@ -79609,17 +80297,17 @@ case OP_ResultRow: { assert( p->nResColumn==pOp->p2 ); assert( pOp->p1>0 ); assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 ); #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Run the progress counter just before returning. */ if( db->xProgress!=0 - && nVmStep>=nProgressLimit + && nVmStep>=nProgressLimit && db->xProgress(db->pProgressArg)!=0 ){ rc = SQLITE_INTERRUPT; goto abort_due_to_error; } #endif /* If this statement has violated immediate foreign key constraints, do @@ -79873,127 +80561,16 @@ arithmetic_result_is_null: case OP_CollSeq: { assert( pOp->p4type==P4_COLLSEQ ); if( pOp->p1 ){ sqlite3VdbeMemSetInt64(&aMem[pOp->p1], 0); } break; } -/* Opcode: Function0 P1 P2 P3 P4 P5 -** Synopsis: r[P3]=func(r[P2@P5]) -** -** Invoke a user function (P4 is a pointer to a FuncDef object that -** defines the function) with P5 arguments taken from register P2 and -** successors. The result of the function is stored in register P3. -** Register P3 must not be one of the function inputs. -** -** P1 is a 32-bit bitmask indicating whether or not each argument to the -** function was determined to be constant at compile time. If the first -** argument was constant then bit 0 of P1 is set. This is used to determine -** whether meta data associated with a user function argument using the -** sqlite3_set_auxdata() API may be safely retained until the next -** invocation of this opcode. -** -** See also: Function, AggStep, AggFinal -*/ -/* Opcode: Function P1 P2 P3 P4 P5 -** Synopsis: r[P3]=func(r[P2@P5]) -** -** Invoke a user function (P4 is a pointer to an sqlite3_context object that -** contains a pointer to the function to be run) with P5 arguments taken -** from register P2 and successors. The result of the function is stored -** in register P3. Register P3 must not be one of the function inputs. -** -** P1 is a 32-bit bitmask indicating whether or not each argument to the -** function was determined to be constant at compile time. If the first -** argument was constant then bit 0 of P1 is set. This is used to determine -** whether meta data associated with a user function argument using the -** sqlite3_set_auxdata() API may be safely retained until the next -** invocation of this opcode. -** -** SQL functions are initially coded as OP_Function0 with P4 pointing -** to a FuncDef object. But on first evaluation, the P4 operand is -** automatically converted into an sqlite3_context object and the operation -** changed to this OP_Function opcode. In this way, the initialization of -** the sqlite3_context object occurs only once, rather than once for each -** evaluation of the function. -** -** See also: Function0, AggStep, AggFinal -*/ -case OP_Function0: { - int n; - sqlite3_context *pCtx; - - assert( pOp->p4type==P4_FUNCDEF ); - n = pOp->p5; - assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); - assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) ); - assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n ); - pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*)); - if( pCtx==0 ) goto no_mem; - pCtx->pOut = 0; - pCtx->pFunc = pOp->p4.pFunc; - pCtx->iOp = (int)(pOp - aOp); - pCtx->pVdbe = p; - pCtx->argc = n; - pOp->p4type = P4_FUNCCTX; - pOp->p4.pCtx = pCtx; - pOp->opcode = OP_Function; - /* Fall through into OP_Function */ -} -case OP_Function: { - int i; - sqlite3_context *pCtx; - - assert( pOp->p4type==P4_FUNCCTX ); - pCtx = pOp->p4.pCtx; - - /* If this function is inside of a trigger, the register array in aMem[] - ** might change from one evaluation to the next. The next block of code - ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ - pOut = &aMem[pOp->p3]; - if( pCtx->pOut != pOut ){ - pCtx->pOut = pOut; - for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; - } - - memAboutToChange(p, pOut); -#ifdef SQLITE_DEBUG - for(i=0; i<pCtx->argc; i++){ - assert( memIsValid(pCtx->argv[i]) ); - REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]); - } -#endif - MemSetTypeFlag(pOut, MEM_Null); - pCtx->fErrorOrAux = 0; - (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */ - - /* If the function returned an error, throw an exception */ - if( pCtx->fErrorOrAux ){ - if( pCtx->isError ){ - sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut)); - rc = pCtx->isError; - } - sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1); - if( rc ) goto abort_due_to_error; - } - - /* Copy the result of the function into register P3 */ - if( pOut->flags & (MEM_Str|MEM_Blob) ){ - sqlite3VdbeChangeEncoding(pOut, encoding); - if( sqlite3VdbeMemTooBig(pOut) ) goto too_big; - } - - REGISTER_TRACE(pOp->p3, pOut); - UPDATE_MAX_BLOBSIZE(pOut); - break; -} - /* Opcode: BitAnd P1 P2 P3 * * ** Synopsis: r[P3]=r[P1]&r[P2] ** ** Take the bit-wise AND of the values in register P1 and P2 and ** store the result in register P3. ** If either input is NULL, the result is NULL. */ /* Opcode: BitOr P1 P2 P3 * * @@ -80780,17 +81357,19 @@ case OP_Column: { u64 offset64; /* 64-bit offset */ u32 avail; /* Number of bytes of available data */ u32 t; /* A type code from the record header */ Mem *pReg; /* PseudoTable input register */ pC = p->apCsr[pOp->p1]; p2 = pOp->p2; - /* If the cursor cache is stale, bring it up-to-date */ + /* If the cursor cache is stale (meaning it is not currently point at + ** the correct row) then bring it up-to-date by doing the necessary + ** B-Tree seek. */ rc = sqlite3VdbeCursorMoveto(&pC, &p2); if( rc ) goto abort_due_to_error; assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pDest = &aMem[pOp->p3]; memAboutToChange(p, pDest); assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pC!=0 ); @@ -82262,27 +82841,41 @@ case OP_SeekGT: { /* jump, in3 */ pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; #ifdef SQLITE_TEST sqlite3_search_count++; #endif if( oc>=OP_SeekGE ){ assert( oc==OP_SeekGE || oc==OP_SeekGT ); if( res<0 || (res==0 && oc==OP_SeekGT) ){ res = 0; - rc = sqlite3BtreeNext(pC->uc.pCursor, &res); - if( rc!=SQLITE_OK ) goto abort_due_to_error; + rc = sqlite3BtreeNext(pC->uc.pCursor, 0); + if( rc!=SQLITE_OK ){ + if( rc==SQLITE_DONE ){ + rc = SQLITE_OK; + res = 1; + }else{ + goto abort_due_to_error; + } + } }else{ res = 0; } }else{ assert( oc==OP_SeekLT || oc==OP_SeekLE ); if( res>0 || (res==0 && oc==OP_SeekLT) ){ res = 0; - rc = sqlite3BtreePrevious(pC->uc.pCursor, &res); - if( rc!=SQLITE_OK ) goto abort_due_to_error; + rc = sqlite3BtreePrevious(pC->uc.pCursor, 0); + if( rc!=SQLITE_OK ){ + if( rc==SQLITE_DONE ){ + rc = SQLITE_OK; + res = 1; + }else{ + goto abort_due_to_error; + } + } }else{ /* res might be negative because the table is empty. Check to ** see if this is the case. */ res = sqlite3BtreeEof(pC->uc.pCursor); } } seek_not_found: @@ -83378,67 +83971,62 @@ case OP_Rewind: { /* jump */ ** ** This opcode works just like OP_Next except that P1 must be a ** sorter object for which the OP_SorterSort opcode has been ** invoked. This opcode advances the cursor to the next sorted ** record, or jumps to P2 if there are no more sorted records. */ case OP_SorterNext: { /* jump */ VdbeCursor *pC; - int res; pC = p->apCsr[pOp->p1]; assert( isSorter(pC) ); - res = 0; - rc = sqlite3VdbeSorterNext(db, pC, &res); + rc = sqlite3VdbeSorterNext(db, pC); goto next_tail; case OP_PrevIfOpen: /* jump */ case OP_NextIfOpen: /* jump */ if( p->apCsr[pOp->p1]==0 ) break; /* Fall through */ case OP_Prev: /* jump */ case OP_Next: /* jump */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pOp->p5<ArraySize(p->aCounter) ); pC = p->apCsr[pOp->p1]; - res = pOp->p3; assert( pC!=0 ); assert( pC->deferredMoveto==0 ); assert( pC->eCurType==CURTYPE_BTREE ); - assert( res==0 || (res==1 && pC->isTable==0) ); - testcase( res==1 ); assert( pOp->opcode!=OP_Next || pOp->p4.xAdvance==sqlite3BtreeNext ); assert( pOp->opcode!=OP_Prev || pOp->p4.xAdvance==sqlite3BtreePrevious ); assert( pOp->opcode!=OP_NextIfOpen || pOp->p4.xAdvance==sqlite3BtreeNext ); assert( pOp->opcode!=OP_PrevIfOpen || pOp->p4.xAdvance==sqlite3BtreePrevious); /* The Next opcode is only used after SeekGT, SeekGE, and Rewind. ** The Prev opcode is only used after SeekLT, SeekLE, and Last. */ assert( pOp->opcode!=OP_Next || pOp->opcode!=OP_NextIfOpen || pC->seekOp==OP_SeekGT || pC->seekOp==OP_SeekGE || pC->seekOp==OP_Rewind || pC->seekOp==OP_Found); assert( pOp->opcode!=OP_Prev || pOp->opcode!=OP_PrevIfOpen || pC->seekOp==OP_SeekLT || pC->seekOp==OP_SeekLE || pC->seekOp==OP_Last ); - rc = pOp->p4.xAdvance(pC->uc.pCursor, &res); + rc = pOp->p4.xAdvance(pC->uc.pCursor, pOp->p3); next_tail: pC->cacheStatus = CACHE_STALE; - VdbeBranchTaken(res==0,2); - if( rc ) goto abort_due_to_error; - if( res==0 ){ + VdbeBranchTaken(rc==SQLITE_OK,2); + if( rc==SQLITE_OK ){ pC->nullRow = 0; p->aCounter[pOp->p5]++; #ifdef SQLITE_TEST sqlite3_search_count++; #endif goto jump_to_p2_and_check_for_interrupt; - }else{ - pC->nullRow = 1; - } + } + if( rc!=SQLITE_DONE ) goto abort_due_to_error; + rc = SQLITE_OK; + pC->nullRow = 1; goto check_for_interrupt; } /* Opcode: IdxInsert P1 P2 P3 P4 P5 ** Synopsis: key=r[P2] ** ** Register P2 holds an SQL index key made using the ** MakeRecord instructions. This opcode writes that key @@ -83539,18 +84127,18 @@ case OP_IdxDelete: { if( rc ) goto abort_due_to_error; } assert( pC->deferredMoveto==0 ); pC->cacheStatus = CACHE_STALE; pC->seekResult = 0; break; } -/* Opcode: Seek P1 * P3 P4 * -** Synopsis: Move P3 to P1.rowid +/* Opcode: DeferredSeek P1 * P3 P4 * +** Synopsis: Move P3 to P1.rowid if needed ** ** P1 is an open index cursor and P3 is a cursor on the corresponding ** table. This opcode does a deferred seek of the P3 table cursor ** to the row that corresponds to the current row of P1. ** ** This is a deferred seek. Nothing actually happens until ** the cursor is used to read a record. That way, if no reads ** occur, no unnecessary I/O happens. @@ -83567,21 +84155,21 @@ case OP_IdxDelete: { ** Synopsis: r[P2]=rowid ** ** Write into register P2 an integer which is the last entry in the record at ** the end of the index key pointed to by cursor P1. This integer should be ** the rowid of the table entry to which this index entry points. ** ** See also: Rowid, MakeRecord. */ -case OP_Seek: -case OP_IdxRowid: { /* out2 */ - VdbeCursor *pC; /* The P1 index cursor */ - VdbeCursor *pTabCur; /* The P2 table cursor (OP_Seek only) */ - i64 rowid; /* Rowid that P1 current points to */ +case OP_DeferredSeek: +case OP_IdxRowid: { /* out2 */ + VdbeCursor *pC; /* The P1 index cursor */ + VdbeCursor *pTabCur; /* The P2 table cursor (OP_DeferredSeek only) */ + i64 rowid; /* Rowid that P1 current points to */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( pC->eCurType==CURTYPE_BTREE ); assert( pC->uc.pCursor!=0 ); assert( pC->isTable==0 ); assert( pC->deferredMoveto==0 ); @@ -83597,17 +84185,17 @@ case OP_IdxRowid: { /* out2 if( NEVER(rc!=SQLITE_OK) ) goto abort_due_to_error; if( !pC->nullRow ){ rowid = 0; /* Not needed. Only used to silence a warning. */ rc = sqlite3VdbeIdxRowid(db, pC->uc.pCursor, &rowid); if( rc!=SQLITE_OK ){ goto abort_due_to_error; } - if( pOp->opcode==OP_Seek ){ + if( pOp->opcode==OP_DeferredSeek ){ assert( pOp->p3>=0 && pOp->p3<p->nCursor ); pTabCur = p->apCsr[pOp->p3]; assert( pTabCur!=0 ); assert( pTabCur->eCurType==CURTYPE_BTREE ); assert( pTabCur->uc.pCursor!=0 ); assert( pTabCur->isTable ); pTabCur->nullRow = 0; pTabCur->movetoTarget = rowid; @@ -84843,17 +85431,17 @@ case OP_Expire: { ** ** P2 contains the root-page of the table to lock. ** ** P4 contains a pointer to the name of the table being locked. This is only ** used to generate an error message if the lock cannot be obtained. */ case OP_TableLock: { u8 isWriteLock = (u8)pOp->p3; - if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommitted) ){ + if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommit) ){ int p1 = pOp->p1; assert( p1>=0 && p1<db->nDb ); assert( DbMaskTest(p->btreeMask, p1) ); assert( isWriteLock==0 || isWriteLock==1 ); rc = sqlite3BtreeLockTable(db->aDb[p1].pBt, pOp->p2, isWriteLock); if( rc ){ if( (rc&0xFF)==SQLITE_LOCKED ){ const char *z = pOp->p4.z; @@ -85272,16 +85860,131 @@ case OP_MaxPgcnt: { /* out2 * newMax = sqlite3BtreeLastPage(pBt); if( newMax < (unsigned)pOp->p3 ) newMax = (unsigned)pOp->p3; } pOut->u.i = sqlite3BtreeMaxPageCount(pBt, newMax); break; } #endif +/* Opcode: Function0 P1 P2 P3 P4 P5 +** Synopsis: r[P3]=func(r[P2@P5]) +** +** Invoke a user function (P4 is a pointer to a FuncDef object that +** defines the function) with P5 arguments taken from register P2 and +** successors. The result of the function is stored in register P3. +** Register P3 must not be one of the function inputs. +** +** P1 is a 32-bit bitmask indicating whether or not each argument to the +** function was determined to be constant at compile time. If the first +** argument was constant then bit 0 of P1 is set. This is used to determine +** whether meta data associated with a user function argument using the +** sqlite3_set_auxdata() API may be safely retained until the next +** invocation of this opcode. +** +** See also: Function, AggStep, AggFinal +*/ +/* Opcode: Function P1 P2 P3 P4 P5 +** Synopsis: r[P3]=func(r[P2@P5]) +** +** Invoke a user function (P4 is a pointer to an sqlite3_context object that +** contains a pointer to the function to be run) with P5 arguments taken +** from register P2 and successors. The result of the function is stored +** in register P3. Register P3 must not be one of the function inputs. +** +** P1 is a 32-bit bitmask indicating whether or not each argument to the +** function was determined to be constant at compile time. If the first +** argument was constant then bit 0 of P1 is set. This is used to determine +** whether meta data associated with a user function argument using the +** sqlite3_set_auxdata() API may be safely retained until the next +** invocation of this opcode. +** +** SQL functions are initially coded as OP_Function0 with P4 pointing +** to a FuncDef object. But on first evaluation, the P4 operand is +** automatically converted into an sqlite3_context object and the operation +** changed to this OP_Function opcode. In this way, the initialization of +** the sqlite3_context object occurs only once, rather than once for each +** evaluation of the function. +** +** See also: Function0, AggStep, AggFinal +*/ +case OP_PureFunc0: +case OP_Function0: { + int n; + sqlite3_context *pCtx; + + assert( pOp->p4type==P4_FUNCDEF ); + n = pOp->p5; + assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); + assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) ); + assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n ); + pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*)); + if( pCtx==0 ) goto no_mem; + pCtx->pOut = 0; + pCtx->pFunc = pOp->p4.pFunc; + pCtx->iOp = (int)(pOp - aOp); + pCtx->pVdbe = p; + pCtx->argc = n; + pOp->p4type = P4_FUNCCTX; + pOp->p4.pCtx = pCtx; + assert( OP_PureFunc == OP_PureFunc0+2 ); + assert( OP_Function == OP_Function0+2 ); + pOp->opcode += 2; + /* Fall through into OP_Function */ +} +case OP_PureFunc: +case OP_Function: { + int i; + sqlite3_context *pCtx; + + assert( pOp->p4type==P4_FUNCCTX ); + pCtx = pOp->p4.pCtx; + + /* If this function is inside of a trigger, the register array in aMem[] + ** might change from one evaluation to the next. The next block of code + ** checks to see if the register array has changed, and if so it + ** reinitializes the relavant parts of the sqlite3_context object */ + pOut = &aMem[pOp->p3]; + if( pCtx->pOut != pOut ){ + pCtx->pOut = pOut; + for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; + } + + memAboutToChange(p, pOut); +#ifdef SQLITE_DEBUG + for(i=0; i<pCtx->argc; i++){ + assert( memIsValid(pCtx->argv[i]) ); + REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]); + } +#endif + MemSetTypeFlag(pOut, MEM_Null); + pCtx->fErrorOrAux = 0; + (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */ + + /* If the function returned an error, throw an exception */ + if( pCtx->fErrorOrAux ){ + if( pCtx->isError ){ + sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut)); + rc = pCtx->isError; + } + sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1); + if( rc ) goto abort_due_to_error; + } + + /* Copy the result of the function into register P3 */ + if( pOut->flags & (MEM_Str|MEM_Blob) ){ + sqlite3VdbeChangeEncoding(pOut, encoding); + if( sqlite3VdbeMemTooBig(pOut) ) goto too_big; + } + + REGISTER_TRACE(pOp->p3, pOut); + UPDATE_MAX_BLOBSIZE(pOut); + break; +} + /* Opcode: Init P1 P2 * P4 * ** Synopsis: Start at P2 ** ** Programs contain a single instance of this opcode as the very first ** opcode. ** ** If tracing is enabled (by the sqlite3_trace()) interface, then @@ -85351,16 +86054,17 @@ case OP_Init: { /* jump */ assert( pOp->p2>0 ); if( pOp->p1>=sqlite3GlobalConfig.iOnceResetThreshold ){ for(i=1; i<p->nOp; i++){ if( p->aOp[i].opcode==OP_Once ) p->aOp[i].p1 = 0; } pOp->p1 = 0; } pOp->p1++; + p->aCounter[SQLITE_STMTSTATUS_RUN]++; goto jump_to_p2; } #ifdef SQLITE_ENABLE_CURSOR_HINTS /* Opcode: CursorHint P1 * * P4 * ** ** Provide a hint to cursor P1 that it only needs to return rows that ** satisfy the Expr in P4. TK_REGISTER terms in the P4 expression refer @@ -86824,19 +87528,19 @@ static int vdbeSorterCompareText( const u8 * const p2 = (const u8 * const)pKey2; const u8 * const v1 = &p1[ p1[0] ]; /* Pointer to value 1 */ const u8 * const v2 = &p2[ p2[0] ]; /* Pointer to value 2 */ int n1; int n2; int res; - getVarint32(&p1[1], n1); n1 = (n1 - 13) / 2; - getVarint32(&p2[1], n2); n2 = (n2 - 13) / 2; - res = memcmp(v1, v2, MIN(n1, n2)); + getVarint32(&p1[1], n1); + getVarint32(&p2[1], n2); + res = memcmp(v1, v2, (MIN(n1, n2) - 13)/2); if( res==0 ){ res = n1 - n2; } if( res==0 ){ if( pTask->pSorter->pKeyInfo->nField>1 ){ res = vdbeSorterCompareTail( pTask, pbKey2Cached, pKey1, nKey1, pKey2, nKey2 @@ -88621,47 +89325,52 @@ SQLITE_PRIVATE int sqlite3VdbeSorterRewi *pbEof = 0; } vdbeSorterRewindDebug("rewinddone"); return rc; } /* -** Advance to the next element in the sorter. -*/ -SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *db, const VdbeCursor *pCsr, int *pbEof){ +** Advance to the next element in the sorter. Return value: +** +** SQLITE_OK success +** SQLITE_DONE end of data +** otherwise some kind of error. +*/ +SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *db, const VdbeCursor *pCsr){ VdbeSorter *pSorter; int rc; /* Return code */ assert( pCsr->eCurType==CURTYPE_SORTER ); pSorter = pCsr->uc.pSorter; assert( pSorter->bUsePMA || (pSorter->pReader==0 && pSorter->pMerger==0) ); if( pSorter->bUsePMA ){ assert( pSorter->pReader==0 || pSorter->pMerger==0 ); assert( pSorter->bUseThreads==0 || pSorter->pReader ); assert( pSorter->bUseThreads==1 || pSorter->pMerger ); #if SQLITE_MAX_WORKER_THREADS>0 if( pSorter->bUseThreads ){ rc = vdbePmaReaderNext(pSorter->pReader); - *pbEof = (pSorter->pReader->pFd==0); + if( rc==SQLITE_OK && pSorter->pReader->pFd==0 ) rc = SQLITE_DONE; }else #endif /*if( !pSorter->bUseThreads )*/ { + int res = 0; assert( pSorter->pMerger!=0 ); assert( pSorter->pMerger->pTask==(&pSorter->aTask[0]) ); - rc = vdbeMergeEngineStep(pSorter->pMerger, pbEof); + rc = vdbeMergeEngineStep(pSorter->pMerger, &res); + if( rc==SQLITE_OK && res ) rc = SQLITE_DONE; } }else{ SorterRecord *pFree = pSorter->list.pList; pSorter->list.pList = pFree->u.pNext; pFree->u.pNext = 0; if( pSorter->list.aMemory==0 ) vdbeSorterRecordFree(db, pFree); - *pbEof = !pSorter->list.pList; - rc = SQLITE_OK; + rc = pSorter->list.pList ? SQLITE_OK : SQLITE_DONE; } return rc; } /* ** Return a pointer to a buffer owned by the sorter that contains the ** current key. */ @@ -89222,25 +89931,27 @@ SQLITE_PRIVATE int sqlite3JournalSize(sq ** The return value from this routine is WRC_Abort to abandon the tree walk ** and WRC_Continue to continue. */ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ int rc; testcase( ExprHasProperty(pExpr, EP_TokenOnly) ); testcase( ExprHasProperty(pExpr, EP_Reduced) ); rc = pWalker->xExprCallback(pWalker, pExpr); - if( rc || ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ - return rc & WRC_Abort; - } - if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; - if( pExpr->pRight && walkExpr(pWalker, pExpr->pRight) ) return WRC_Abort; - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ - if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort; - }else if( pExpr->x.pList ){ - if( sqlite3WalkExprList(pWalker, pExpr->x.pList) ) return WRC_Abort; + if( rc ) return rc & WRC_Abort; + if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ + if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; + assert( pExpr->x.pList==0 || pExpr->pRight==0 ); + if( pExpr->pRight ){ + if( walkExpr(pWalker, pExpr->pRight) ) return WRC_Abort; + }else if( ExprHasProperty(pExpr, EP_xIsSelect) ){ + if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort; + }else if( pExpr->x.pList ){ + if( sqlite3WalkExprList(pWalker, pExpr->x.pList) ) return WRC_Abort; + } } return WRC_Continue; } SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){ return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue; } /* @@ -89285,17 +89996,17 @@ SQLITE_PRIVATE int sqlite3WalkSelectExpr SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){ SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; if( ALWAYS(pSrc) ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ - if( sqlite3WalkSelect(pWalker, pItem->pSelect) ){ + if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ return WRC_Abort; } if( pItem->fg.isTabFunc && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) ){ return WRC_Abort; } } @@ -89305,50 +90016,44 @@ SQLITE_PRIVATE int sqlite3WalkSelectFrom /* ** Call sqlite3WalkExpr() for every expression in Select statement p. ** Invoke sqlite3WalkSelect() for subqueries in the FROM clause and ** on the compound select chain, p->pPrior. ** ** If it is not NULL, the xSelectCallback() callback is invoked before ** the walk of the expressions and FROM clause. The xSelectCallback2() -** method, if it is not NULL, is invoked following the walk of the -** expressions and FROM clause. +** method is invoked following the walk of the expressions and FROM clause, +** but only if both xSelectCallback and xSelectCallback2 are both non-NULL +** and if the expressions and FROM clause both return WRC_Continue; ** ** Return WRC_Continue under normal conditions. Return WRC_Abort if ** there is an abort request. ** ** If the Walker does not have an xSelectCallback() then this routine ** is a no-op returning WRC_Continue. */ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ int rc; - if( p==0 || (pWalker->xSelectCallback==0 && pWalker->xSelectCallback2==0) ){ - return WRC_Continue; - } - rc = WRC_Continue; - pWalker->walkerDepth++; - while( p ){ - if( pWalker->xSelectCallback ){ - rc = pWalker->xSelectCallback(pWalker, p); - if( rc ) break; - } + if( p==0 ) return WRC_Continue; + if( pWalker->xSelectCallback==0 ) return WRC_Continue; + do{ + rc = pWalker->xSelectCallback(pWalker, p); + if( rc ) return rc & WRC_Abort; if( sqlite3WalkSelectExpr(pWalker, p) || sqlite3WalkSelectFrom(pWalker, p) ){ - pWalker->walkerDepth--; return WRC_Abort; } if( pWalker->xSelectCallback2 ){ pWalker->xSelectCallback2(pWalker, p); } p = p->pPrior; - } - pWalker->walkerDepth--; - return rc & WRC_Abort; + }while( p!=0 ); + return WRC_Continue; } /************** End of walker.c **********************************************/ /************** Begin file resolve.c *****************************************/ /* ** 2008 August 18 ** ** The author disclaims copyright to this source code. In place of @@ -89823,16 +90528,17 @@ static int lookupName( /* Clean up and return */ sqlite3ExprDelete(db, pExpr->pLeft); pExpr->pLeft = 0; sqlite3ExprDelete(db, pExpr->pRight); pExpr->pRight = 0; pExpr->op = (isTrigger ? TK_TRIGGER : TK_COLUMN); + ExprSetProperty(pExpr, EP_Leaf); lookupname_end: if( cnt==1 ){ assert( pNC!=0 ); if( !ExprHasProperty(pExpr, EP_Alias) ){ sqlite3AuthRead(pParse, pExpr, pSchema, pNC->pSrcList); } /* Increment the nRef value on all name contexts from TopNC up to ** the point where the name matched. */ @@ -89861,17 +90567,16 @@ SQLITE_PRIVATE Expr *sqlite3CreateColumn if( p->pTab->iPKey==iCol ){ p->iColumn = -1; }else{ p->iColumn = (ynVar)iCol; testcase( iCol==BMS ); testcase( iCol==BMS-1 ); pItem->colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); } - ExprSetProperty(p, EP_Resolved); } return p; } /* ** Report an error that an expression is not valid for some set of ** pNC->ncFlags values determined by validMask. */ @@ -89921,18 +90626,16 @@ static int resolveExprStep(Walker *pWalk NameContext *pNC; Parse *pParse; pNC = pWalker->u.pNC; assert( pNC!=0 ); pParse = pNC->pParse; assert( pParse==pWalker->pParse ); - if( ExprHasProperty(pExpr, EP_Resolved) ) return WRC_Prune; - ExprSetProperty(pExpr, EP_Resolved); #ifndef NDEBUG if( pNC->pSrcList && pNC->pSrcList->nAlloc>0 ){ SrcList *pSrcList = pNC->pSrcList; int i; for(i=0; i<pNC->pSrcList->nSrc; i++){ assert( pSrcList->a[i].iCursor>=0 && pSrcList->a[i].iCursor<pParse->nTab); } } @@ -90255,17 +90958,17 @@ static int resolveOrderByTermToExprList( db->suppressErr = savedSuppErr; if( rc ) return 0; /* Try to match the ORDER BY expression against an expression ** in the result set. Return an 1-based index of the matching ** result-set entry. */ for(i=0; i<pEList->nExpr; i++){ - if( sqlite3ExprCompare(pEList->a[i].pExpr, pE, -1)<2 ){ + if( sqlite3ExprCompare(0, pEList->a[i].pExpr, pE, -1)<2 ){ return i+1; } } /* If no match, return 0. */ return 0; } @@ -90489,17 +91192,17 @@ static int resolveOrderGroupBy( } /* Otherwise, treat the ORDER BY term as an ordinary expression */ pItem->u.x.iOrderByCol = 0; if( sqlite3ResolveExprNames(pNC, pE) ){ return 1; } for(j=0; j<pSelect->pEList->nExpr; j++){ - if( sqlite3ExprCompare(pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ + if( sqlite3ExprCompare(0, pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ pItem->u.x.iOrderByCol = j+1; } } } return sqlite3ResolveOrderGroupBy(pParse, pSelect, pOrderBy, zType); } /* @@ -90775,47 +91478,39 @@ static int resolveSelectStep(Walker *pWa */ SQLITE_PRIVATE int sqlite3ResolveExprNames( NameContext *pNC, /* Namespace to resolve expressions in. */ Expr *pExpr /* The expression to be analyzed. */ ){ u16 savedHasAgg; Walker w; - if( pExpr==0 ) return 0; -#if SQLITE_MAX_EXPR_DEPTH>0 - { - Parse *pParse = pNC->pParse; - if( sqlite3ExprCheckHeight(pParse, pExpr->nHeight+pNC->pParse->nHeight) ){ - return 1; - } - pParse->nHeight += pExpr->nHeight; - } -#endif + if( pExpr==0 ) return SQLITE_OK; savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg); pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg); w.pParse = pNC->pParse; w.xExprCallback = resolveExprStep; w.xSelectCallback = resolveSelectStep; w.xSelectCallback2 = 0; - w.walkerDepth = 0; - w.eCode = 0; w.u.pNC = pNC; +#if SQLITE_MAX_EXPR_DEPTH>0 + w.pParse->nHeight += pExpr->nHeight; + if( sqlite3ExprCheckHeight(w.pParse, w.pParse->nHeight) ){ + return SQLITE_ERROR; + } +#endif sqlite3WalkExpr(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 - pNC->pParse->nHeight -= pExpr->nHeight; -#endif - if( pNC->nErr>0 || w.pParse->nErr>0 ){ - ExprSetProperty(pExpr, EP_Error); - } + w.pParse->nHeight -= pExpr->nHeight; +#endif if( pNC->ncFlags & NC_HasAgg ){ ExprSetProperty(pExpr, EP_Agg); } pNC->ncFlags |= savedHasAgg; - return ExprHasProperty(pExpr, EP_Error); + return pNC->nErr>0 || w.pParse->nErr>0; } /* ** Resolve all names for all expression in an expression list. This is ** just like sqlite3ResolveExprNames() except that it works for an expression ** list rather than a single expression. */ SQLITE_PRIVATE int sqlite3ResolveExprListNames( @@ -90846,19 +91541,19 @@ SQLITE_PRIVATE int sqlite3ResolveExprLis SQLITE_PRIVATE void sqlite3ResolveSelectNames( Parse *pParse, /* The parser context */ Select *p, /* The SELECT statement being coded. */ NameContext *pOuterNC /* Name context for parent SELECT statement */ ){ Walker w; assert( p!=0 ); - memset(&w, 0, sizeof(w)); w.xExprCallback = resolveExprStep; w.xSelectCallback = resolveSelectStep; + w.xSelectCallback2 = 0; w.pParse = pParse; w.u.pNC = pOuterNC; sqlite3WalkSelect(&w, p); } /* ** Resolve names in expressions that can only reference a single table: ** @@ -91637,17 +92332,17 @@ SQLITE_PRIVATE Expr *sqlite3ExprAlloc( } pNew = sqlite3DbMallocRawNN(db, sizeof(Expr)+nExtra); if( pNew ){ memset(pNew, 0, sizeof(Expr)); pNew->op = (u8)op; pNew->iAgg = -1; if( pToken ){ if( nExtra==0 ){ - pNew->flags |= EP_IntValue; + pNew->flags |= EP_IntValue|EP_Leaf; pNew->u.iValue = iValue; }else{ pNew->u.zToken = (char*)&pNew[1]; assert( pToken->z!=0 || pToken->n==0 ); if( pToken->n ) memcpy(pNew->u.zToken, pToken->z, pToken->n); pNew->u.zToken[pToken->n] = 0; if( dequote && sqlite3Isquote(pNew->u.zToken[0]) ){ if( pNew->u.zToken[0]=='"' ) pNew->flags |= EP_DblQuoted; @@ -91918,18 +92613,19 @@ static SQLITE_NOINLINE void sqlite3ExprD assert( p->pRight==0 ); assert( p->x.pSelect==0 ); } #endif if( !ExprHasProperty(p, (EP_TokenOnly|EP_Leaf)) ){ /* The Expr.x union is never used at the same time as Expr.pRight */ assert( p->x.pList==0 || p->pRight==0 ); if( p->pLeft && p->op!=TK_SELECT_COLUMN ) sqlite3ExprDeleteNN(db, p->pLeft); - sqlite3ExprDelete(db, p->pRight); - if( ExprHasProperty(p, EP_xIsSelect) ){ + if( p->pRight ){ + sqlite3ExprDeleteNN(db, p->pRight); + }else if( ExprHasProperty(p, EP_xIsSelect) ){ sqlite3SelectDelete(db, p->x.pSelect); }else{ sqlite3ExprListDelete(db, p->x.pList); } } if( ExprHasProperty(p, EP_MemToken) ) sqlite3DbFree(db, p->u.zToken); if( !ExprHasProperty(p, EP_Static) ){ sqlite3DbFreeNN(db, p); @@ -92381,17 +93077,19 @@ SQLITE_PRIVATE ExprList *sqlite3ExprList sizeof(*pList)+(2*pList->nAlloc - 1)*sizeof(pList->a[0])); if( pNew==0 ){ goto no_mem; } pList = pNew; pList->nAlloc *= 2; } pItem = &pList->a[pList->nExpr++]; - memset(pItem, 0, sizeof(*pItem)); + assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) ); + assert( offsetof(struct ExprList_item,pExpr)==0 ); + memset(&pItem->zName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zName)); pItem->pExpr = pExpr; return pList; no_mem: /* Avoid leaking memory if malloc has failed. */ sqlite3ExprDelete(db, pExpr); sqlite3ExprListDelete(db, pList); return 0; @@ -92665,20 +93363,22 @@ static int exprNodeIsConstant(Walker *pW } static int selectNodeIsConstant(Walker *pWalker, Select *NotUsed){ UNUSED_PARAMETER(NotUsed); pWalker->eCode = 0; return WRC_Abort; } static int exprIsConst(Expr *p, int initFlag, int iCur){ Walker w; - memset(&w, 0, sizeof(w)); w.eCode = initFlag; w.xExprCallback = exprNodeIsConstant; w.xSelectCallback = selectNodeIsConstant; +#ifdef SQLITE_DEBUG + w.xSelectCallback2 = sqlite3SelectWalkAssert2; +#endif w.u.iCur = iCur; sqlite3WalkExpr(&w, p); return w.eCode; } /* ** Walk an expression tree. Return non-zero if the expression is constant ** and 0 if it involves variables or function calls. @@ -92718,17 +93418,17 @@ SQLITE_PRIVATE int sqlite3ExprIsTableCon static int exprNodeIsConstantOrGroupBy(Walker *pWalker, Expr *pExpr){ ExprList *pGroupBy = pWalker->u.pGroupBy; int i; /* Check if pExpr is identical to any GROUP BY term. If so, consider ** it constant. */ for(i=0; i<pGroupBy->nExpr; i++){ Expr *p = pGroupBy->a[i].pExpr; - if( sqlite3ExprCompare(pExpr, p, -1)<2 ){ + if( sqlite3ExprCompare(0, pExpr, p, -1)<2 ){ CollSeq *pColl = sqlite3ExprCollSeq(pWalker->pParse, p); if( pColl==0 || sqlite3_stricmp("BINARY", pColl->zName)==0 ){ return WRC_Prune; } } } /* Check if pExpr is a sub-select. If so, consider it variable. */ @@ -92756,19 +93456,19 @@ static int exprNodeIsConstantOrGroupBy(W ** to promote HAVING clauses that use the same alternative collating ** sequence as the GROUP BY term, but that is much harder to check, ** alternative collating sequences are uncommon, and this is only an ** optimization, so we take the easy way out and simply require the ** GROUP BY to use the BINARY collating sequence. */ SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse *pParse, Expr *p, ExprList *pGroupBy){ Walker w; - memset(&w, 0, sizeof(w)); w.eCode = 1; w.xExprCallback = exprNodeIsConstantOrGroupBy; + w.xSelectCallback = 0; w.u.pGroupBy = pGroupBy; w.pParse = pParse; sqlite3WalkExpr(&w, p); return w.eCode; } /* ** Walk an expression tree. Return non-zero if the expression is constant @@ -92786,20 +93486,22 @@ SQLITE_PRIVATE int sqlite3ExprIsConstant #ifdef SQLITE_ENABLE_CURSOR_HINTS /* ** Walk an expression tree. Return 1 if the expression contains a ** subquery of some kind. Return 0 if there are no subqueries. */ SQLITE_PRIVATE int sqlite3ExprContainsSubquery(Expr *p){ Walker w; - memset(&w, 0, sizeof(w)); w.eCode = 1; w.xExprCallback = sqlite3ExprWalkNoop; w.xSelectCallback = selectNodeIsConstant; +#ifdef SQLITE_DEBUG + w.xSelectCallback2 = sqlite3SelectWalkAssert2; +#endif sqlite3WalkExpr(&w, p); return w.eCode==0; } #endif /* ** If the expression p codes a constant integer that is small enough ** to fit in a 32-bit integer, return 1 and put the value of the integer @@ -94124,18 +94826,19 @@ SQLITE_PRIVATE void sqlite3ExprCodeLoadI int iTabCur, /* Cursor pointing to a table row */ int iIdxCol, /* The column of the index to be loaded */ int regOut /* Store the index column value in this register */ ){ i16 iTabCol = pIdx->aiColumn[iIdxCol]; if( iTabCol==XN_EXPR ){ assert( pIdx->aColExpr ); assert( pIdx->aColExpr->nExpr>iIdxCol ); - pParse->iSelfTab = iTabCur; + pParse->iSelfTab = iTabCur + 1; sqlite3ExprCodeCopy(pParse, pIdx->aColExpr->a[iIdxCol].pExpr, regOut); + pParse->iSelfTab = 0; }else{ sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pIdx->pTable, iTabCur, iTabCol, regOut); } } /* ** Generate code to extract the value of the iCol-th column of a table. @@ -94369,23 +95072,23 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget pCol->iSorterColumn, target); return target; } /* Otherwise, fall thru into the TK_COLUMN case */ } case TK_COLUMN: { int iTab = pExpr->iTable; if( iTab<0 ){ - if( pParse->ckBase>0 ){ + if( pParse->iSelfTab<0 ){ /* Generating CHECK constraints or inserting into partial index */ - return pExpr->iColumn + pParse->ckBase; + return pExpr->iColumn - pParse->iSelfTab; }else{ /* Coding an expression that is part of an index where column names ** in the index refer to the table to which the index belongs */ - iTab = pParse->iSelfTab; + iTab = pParse->iSelfTab - 1; } } return sqlite3ExprCodeGetColumn(pParse, pExpr->pTab, pExpr->iColumn, iTab, target, pExpr->op2); } case TK_INTEGER: { codeInteger(pParse, pExpr, 0, target); @@ -94712,18 +95415,18 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget }else if( nFarg>0 ){ pDef = sqlite3VtabOverloadFunction(db, pDef, nFarg, pFarg->a[0].pExpr); } #endif if( pDef->funcFlags & SQLITE_FUNC_NEEDCOLL ){ if( !pColl ) pColl = db->pDfltColl; sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ); } - sqlite3VdbeAddOp4(v, OP_Function0, constMask, r1, target, - (char*)pDef, P4_FUNCDEF); + sqlite3VdbeAddOp4(v, pParse->iSelfTab ? OP_PureFunc0 : OP_Function0, + constMask, r1, target, (char*)pDef, P4_FUNCDEF); sqlite3VdbeChangeP5(v, (u8)nFarg); if( nFarg && constMask==0 ){ sqlite3ReleaseTempRange(pParse, r1, nFarg); } return target; } #ifndef SQLITE_OMIT_SUBQUERY case TK_EXISTS: @@ -94992,17 +95695,17 @@ SQLITE_PRIVATE int sqlite3ExprCodeAtInit ){ ExprList *p; assert( ConstFactorOk(pParse) ); p = pParse->pConstExpr; if( regDest<0 && p ){ struct ExprList_item *pItem; int i; for(pItem=p->a, i=p->nExpr; i>0; pItem++, i--){ - if( pItem->reusable && sqlite3ExprCompare(pItem->pExpr,pExpr,-1)==0 ){ + if( pItem->reusable && sqlite3ExprCompare(0,pItem->pExpr,pExpr,-1)==0 ){ return pItem->u.iConstExprReg; } } } pExpr = sqlite3ExprDup(pParse->db, pExpr, 0); p = sqlite3ExprListAppend(pParse, p, pExpr); if( p ){ struct ExprList_item *pItem = &p->a[p->nExpr-1]; @@ -95547,16 +96250,51 @@ SQLITE_PRIVATE void sqlite3ExprIfFalseDu sqlite3 *db = pParse->db; Expr *pCopy = sqlite3ExprDup(db, pExpr, 0); if( db->mallocFailed==0 ){ sqlite3ExprIfFalse(pParse, pCopy, dest, jumpIfNull); } sqlite3ExprDelete(db, pCopy); } +/* +** Expression pVar is guaranteed to be an SQL variable. pExpr may be any +** type of expression. +** +** If pExpr is a simple SQL value - an integer, real, string, blob +** or NULL value - then the VDBE currently being prepared is configured +** to re-prepare each time a new value is bound to variable pVar. +** +** Additionally, if pExpr is a simple SQL value and the value is the +** same as that currently bound to variable pVar, non-zero is returned. +** Otherwise, if the values are not the same or if pExpr is not a simple +** SQL value, zero is returned. +*/ +static int exprCompareVariable(Parse *pParse, Expr *pVar, Expr *pExpr){ + int res = 0; + int iVar; + sqlite3_value *pL, *pR = 0; + + sqlite3ValueFromExpr(pParse->db, pExpr, SQLITE_UTF8, SQLITE_AFF_BLOB, &pR); + if( pR ){ + iVar = pVar->iColumn; + sqlite3VdbeSetVarmask(pParse->pVdbe, iVar); + pL = sqlite3VdbeGetBoundValue(pParse->pReprepare, iVar, SQLITE_AFF_BLOB); + if( pL ){ + if( sqlite3_value_type(pL)==SQLITE_TEXT ){ + sqlite3_value_text(pL); /* Make sure the encoding is UTF-8 */ + } + res = 0==sqlite3MemCompare(pL, pR, 0); + } + sqlite3ValueFree(pR); + sqlite3ValueFree(pL); + } + + return res; +} /* ** Do a deep comparison of two expression trees. Return 0 if the two ** expressions are completely identical. Return 1 if they differ only ** by a COLLATE operator at the top level. Return 2 if there are differences ** other than the top-level COLLATE operator. ** ** If any subelement of pB has Expr.iTable==(-1) then it is allowed @@ -95569,50 +96307,60 @@ SQLITE_PRIVATE void sqlite3ExprIfFalseDu ** really are equivalent. If we cannot prove that the expressions are ** identical, we return 2 just to be safe. So if this routine ** returns 2, then you do not really know for certain if the two ** expressions are the same. But if you get a 0 or 1 return, then you ** can be sure the expressions are the same. In the places where ** this routine is used, it does not hurt to get an extra 2 - that ** just might result in some slightly slower code. But returning ** an incorrect 0 or 1 could lead to a malfunction. -*/ -SQLITE_PRIVATE int sqlite3ExprCompare(Expr *pA, Expr *pB, int iTab){ +** +** If pParse is not NULL then TK_VARIABLE terms in pA with bindings in +** pParse->pReprepare can be matched against literals in pB. The +** pParse->pVdbe->expmask bitmask is updated for each variable referenced. +** If pParse is NULL (the normal case) then any TK_VARIABLE term in +** Argument pParse should normally be NULL. If it is not NULL and pA or +** pB causes a return value of 2. +*/ +SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTab){ u32 combinedFlags; if( pA==0 || pB==0 ){ return pB==pA ? 0 : 2; } + if( pParse && pA->op==TK_VARIABLE && exprCompareVariable(pParse, pA, pB) ){ + return 0; + } combinedFlags = pA->flags | pB->flags; if( combinedFlags & EP_IntValue ){ if( (pA->flags&pB->flags&EP_IntValue)!=0 && pA->u.iValue==pB->u.iValue ){ return 0; } return 2; } if( pA->op!=pB->op ){ - if( pA->op==TK_COLLATE && sqlite3ExprCompare(pA->pLeft, pB, iTab)<2 ){ + if( pA->op==TK_COLLATE && sqlite3ExprCompare(pParse, pA->pLeft,pB,iTab)<2 ){ return 1; } - if( pB->op==TK_COLLATE && sqlite3ExprCompare(pA, pB->pLeft, iTab)<2 ){ + if( pB->op==TK_COLLATE && sqlite3ExprCompare(pParse, pA,pB->pLeft,iTab)<2 ){ return 1; } return 2; } if( pA->op!=TK_COLUMN && pA->op!=TK_AGG_COLUMN && pA->u.zToken ){ if( pA->op==TK_FUNCTION ){ if( sqlite3StrICmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; }else if( strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ return pA->op==TK_COLLATE ? 1 : 2; } } if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2; if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){ if( combinedFlags & EP_xIsSelect ) return 2; - if( sqlite3ExprCompare(pA->pLeft, pB->pLeft, iTab) ) return 2; - if( sqlite3ExprCompare(pA->pRight, pB->pRight, iTab) ) return 2; + if( sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2; + if( sqlite3ExprCompare(pParse, pA->pRight, pB->pRight, iTab) ) return 2; if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2; if( ALWAYS((combinedFlags & EP_Reduced)==0) && pA->op!=TK_STRING ){ if( pA->iColumn!=pB->iColumn ) return 2; if( pA->iTable!=pB->iTable && (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2; } } return 0; @@ -95637,27 +96385,27 @@ SQLITE_PRIVATE int sqlite3ExprListCompar int i; if( pA==0 && pB==0 ) return 0; if( pA==0 || pB==0 ) return 1; if( pA->nExpr!=pB->nExpr ) return 1; for(i=0; i<pA->nExpr; i++){ Expr *pExprA = pA->a[i].pExpr; Expr *pExprB = pB->a[i].pExpr; if( pA->a[i].sortOrder!=pB->a[i].sortOrder ) return 1; - if( sqlite3ExprCompare(pExprA, pExprB, iTab) ) return 1; + if( sqlite3ExprCompare(0, pExprA, pExprB, iTab) ) return 1; } return 0; } /* ** Like sqlite3ExprCompare() except COLLATE operators at the top-level ** are ignored. */ SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA, Expr *pB, int iTab){ - return sqlite3ExprCompare( + return sqlite3ExprCompare(0, sqlite3ExprSkipCollate(pA), sqlite3ExprSkipCollate(pB), iTab); } /* ** Return true if we can prove the pE2 will always be true if pE1 is ** true. Return false if we cannot complete the proof or if pE2 might @@ -95669,34 +96417,39 @@ SQLITE_PRIVATE int sqlite3ExprCompareSki ** pE1: x!=123 pE2: x IS NOT NULL Result: true ** pE1: x!=?1 pE2: x IS NOT NULL Result: true ** pE1: x IS NULL pE2: x IS NOT NULL Result: false ** pE1: x IS ?2 pE2: x IS NOT NULL Reuslt: false ** ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. ** +** If pParse is not NULL, then the values of bound variables in pE1 are +** compared against literal values in pE2 and pParse->pVdbe->expmask is +** modified to record which bound variables are referenced. If pParse +** is NULL, then false will be returned if pE1 contains any bound variables. +** ** When in doubt, return false. Returning true might give a performance ** improvement. Returning false might cause a performance reduction, but ** it will always give the correct answer and is hence always safe. */ -SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Expr *pE1, Expr *pE2, int iTab){ - if( sqlite3ExprCompare(pE1, pE2, iTab)==0 ){ +SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse *pParse, Expr *pE1, Expr *pE2, int iTab){ + if( sqlite3ExprCompare(pParse, pE1, pE2, iTab)==0 ){ return 1; } if( pE2->op==TK_OR - && (sqlite3ExprImpliesExpr(pE1, pE2->pLeft, iTab) - || sqlite3ExprImpliesExpr(pE1, pE2->pRight, iTab) ) + && (sqlite3ExprImpliesExpr(pParse, pE1, pE2->pLeft, iTab) + || sqlite3ExprImpliesExpr(pParse, pE1, pE2->pRight, iTab) ) ){ return 1; } if( pE2->op==TK_NOTNULL && pE1->op!=TK_ISNULL && pE1->op!=TK_IS ){ Expr *pX = sqlite3ExprSkipCollate(pE1->pLeft); testcase( pX!=pE1->pLeft ); - if( sqlite3ExprCompare(pX, pE2->pLeft, iTab)==0 ) return 1; + if( sqlite3ExprCompare(pParse, pX, pE2->pLeft, iTab)==0 ) return 1; } return 0; } /* ** An instance of the following structure is used by the tree walker ** to determine if an expression can be evaluated by reference to the ** index only, without having to do a search for the corresponding @@ -95794,18 +96547,18 @@ static int exprSrcCount(Walker *pWalker, ** pSrcList. Return true if they do. Also return true if the function ** has no arguments or has only constant arguments. Return false if pExpr ** references columns but not columns of tables found in pSrcList. */ SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){ Walker w; struct SrcCount cnt; assert( pExpr->op==TK_AGG_FUNCTION ); - memset(&w, 0, sizeof(w)); w.xExprCallback = exprSrcCount; + w.xSelectCallback = 0; w.u.pSrcCount = &cnt; cnt.pSrc = pSrcList; cnt.nThis = 0; cnt.nOther = 0; sqlite3WalkExprList(&w, pExpr->x.pList); return cnt.nThis>0 || cnt.nOther==0; } @@ -95927,17 +96680,17 @@ static int analyzeAggregate(Walker *pWal if( (pNC->ncFlags & NC_InAggFunc)==0 && pWalker->walkerDepth==pExpr->op2 ){ /* Check to see if pExpr is a duplicate of another aggregate ** function that is already in the pAggInfo structure */ struct AggInfo_func *pItem = pAggInfo->aFunc; for(i=0; i<pAggInfo->nFunc; i++, pItem++){ - if( sqlite3ExprCompare(pItem->pExpr, pExpr, -1)==0 ){ + if( sqlite3ExprCompare(0, pItem->pExpr, pExpr, -1)==0 ){ break; } } if( i>=pAggInfo->nFunc ){ /* pExpr is original. Make a new entry in pAggInfo->aFunc[] */ u8 enc = ENC(pParse->db); i = addAggInfoFunc(pParse->db, pAggInfo); @@ -95967,35 +96720,40 @@ static int analyzeAggregate(Walker *pWal }else{ return WRC_Continue; } } } return WRC_Continue; } static int analyzeAggregatesInSelect(Walker *pWalker, Select *pSelect){ - UNUSED_PARAMETER(pWalker); UNUSED_PARAMETER(pSelect); + pWalker->walkerDepth++; return WRC_Continue; } +static void analyzeAggregatesInSelectEnd(Walker *pWalker, Select *pSelect){ + UNUSED_PARAMETER(pSelect); + pWalker->walkerDepth--; +} /* ** Analyze the pExpr expression looking for aggregate functions and ** for variables that need to be added to AggInfo object that pNC->pAggInfo ** points to. Additional entries are made on the AggInfo object as ** necessary. ** ** This routine should only be called after the expression has been ** analyzed by sqlite3ResolveExprNames(). */ SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext *pNC, Expr *pExpr){ Walker w; - memset(&w, 0, sizeof(w)); w.xExprCallback = analyzeAggregate; w.xSelectCallback = analyzeAggregatesInSelect; + w.xSelectCallback2 = analyzeAggregatesInSelectEnd; + w.walkerDepth = 0; w.u.pNC = pNC; assert( pNC->pSrcList!=0 ); sqlite3WalkExpr(&w, pExpr); } /* ** Call sqlite3ExprAnalyzeAggregates() for every expression in an ** expression list. Return the number of errors. @@ -96086,18 +96844,18 @@ SQLITE_PRIVATE void sqlite3ClearTempRegC ** Validate that no temporary register falls within the range of ** iFirst..iLast, inclusive. This routine is only call from within assert() ** statements. */ #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse *pParse, int iFirst, int iLast){ int i; if( pParse->nRangeReg>0 - && pParse->iRangeReg+pParse->nRangeReg<iLast - && pParse->iRangeReg>=iFirst + && pParse->iRangeReg+pParse->nRangeReg > iFirst + && pParse->iRangeReg <= iLast ){ return 0; } for(i=0; i<pParse->nTempReg; i++){ if( pParse->aTempReg[i]>=iFirst && pParse->aTempReg[i]<=iLast ){ return 0; } } @@ -96479,17 +97237,17 @@ static void reloadTableSchema(Parse *pPa ** Parameter zName is the name of a table that is about to be altered ** (either with ALTER TABLE ... RENAME TO or ALTER TABLE ... ADD COLUMN). ** If the table is a system table, this function leaves an error message ** in pParse->zErr (system tables may not be altered) and returns non-zero. ** ** Or, if zName is not a system table, zero is returned. */ static int isSystemTable(Parse *pParse, const char *zName){ - if( sqlite3Strlen30(zName)>6 && 0==sqlite3StrNICmp(zName, "sqlite_", 7) ){ + if( 0==sqlite3StrNICmp(zName, "sqlite_", 7) ){ sqlite3ErrorMsg(pParse, "table %s may not be altered", zName); return 1; } return 0; } /* ** Generate code to implement the "ALTER TABLE xxx RENAME TO yyy" @@ -98898,17 +99656,18 @@ static void attachFunc( int i; int rc = 0; sqlite3 *db = sqlite3_context_db_handle(context); const char *zName; const char *zFile; char *zPath = 0; char *zErr = 0; unsigned int flags; - Db *aNew; + Db *aNew; /* New array of Db pointers */ + Db *pNew; /* Db object for the newly attached database */ char *zErrDyn = 0; sqlite3_vfs *pVfs; UNUSED_PARAMETER(NotUsed); zFile = (const char *)sqlite3_value_text(argv[0]); zName = (const char *)sqlite3_value_text(argv[1]); if( zFile==0 ) zFile = ""; @@ -98946,64 +99705,64 @@ static void attachFunc( aNew = sqlite3DbMallocRawNN(db, sizeof(db->aDb[0])*3 ); if( aNew==0 ) return; memcpy(aNew, db->aDb, sizeof(db->aDb[0])*2); }else{ aNew = sqlite3DbRealloc(db, db->aDb, sizeof(db->aDb[0])*(db->nDb+1) ); if( aNew==0 ) return; } db->aDb = aNew; - aNew = &db->aDb[db->nDb]; - memset(aNew, 0, sizeof(*aNew)); + pNew = &db->aDb[db->nDb]; + memset(pNew, 0, sizeof(*pNew)); /* Open the database file. If the btree is successfully opened, use ** it to obtain the database schema. At this point the schema may ** or may not be initialized. */ flags = db->openFlags; rc = sqlite3ParseUri(db->pVfs->zName, zFile, &flags, &pVfs, &zPath, &zErr); if( rc!=SQLITE_OK ){ if( rc==SQLITE_NOMEM ) sqlite3OomFault(db); sqlite3_result_error(context, zErr, -1); sqlite3_free(zErr); return; } assert( pVfs ); flags |= SQLITE_OPEN_MAIN_DB; - rc = sqlite3BtreeOpen(pVfs, zPath, db, &aNew->pBt, 0, flags); + rc = sqlite3BtreeOpen(pVfs, zPath, db, &pNew->pBt, 0, flags); sqlite3_free( zPath ); db->nDb++; db->skipBtreeMutex = 0; if( rc==SQLITE_CONSTRAINT ){ rc = SQLITE_ERROR; zErrDyn = sqlite3MPrintf(db, "database is already attached"); }else if( rc==SQLITE_OK ){ Pager *pPager; - aNew->pSchema = sqlite3SchemaGet(db, aNew->pBt); - if( !aNew->pSchema ){ + pNew->pSchema = sqlite3SchemaGet(db, pNew->pBt); + if( !pNew->pSchema ){ rc = SQLITE_NOMEM_BKPT; - }else if( aNew->pSchema->file_format && aNew->pSchema->enc!=ENC(db) ){ + }else if( pNew->pSchema->file_format && pNew->pSchema->enc!=ENC(db) ){ zErrDyn = sqlite3MPrintf(db, "attached databases must use the same text encoding as main database"); rc = SQLITE_ERROR; } - sqlite3BtreeEnter(aNew->pBt); - pPager = sqlite3BtreePager(aNew->pBt); + sqlite3BtreeEnter(pNew->pBt); + pPager = sqlite3BtreePager(pNew->pBt); sqlite3PagerLockingMode(pPager, db->dfltLockMode); - sqlite3BtreeSecureDelete(aNew->pBt, + sqlite3BtreeSecureDelete(pNew->pBt, sqlite3BtreeSecureDelete(db->aDb[0].pBt,-1) ); #ifndef SQLITE_OMIT_PAGER_PRAGMAS - sqlite3BtreeSetPagerFlags(aNew->pBt, + sqlite3BtreeSetPagerFlags(pNew->pBt, PAGER_SYNCHRONOUS_FULL | (db->flags & PAGER_FLAGS_MASK)); #endif - sqlite3BtreeLeave(aNew->pBt); - } - aNew->safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1; - aNew->zDbSName = sqlite3DbStrDup(db, zName); - if( rc==SQLITE_OK && aNew->zDbSName==0 ){ + sqlite3BtreeLeave(pNew->pBt); + } + pNew->safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1; + pNew->zDbSName = sqlite3DbStrDup(db, zName); + if( rc==SQLITE_OK && pNew->zDbSName==0 ){ rc = SQLITE_NOMEM_BKPT; } #ifdef SQLITE_HAS_CODEC if( rc==SQLITE_OK ){ extern int sqlite3CodecAttach(sqlite3*, int, const void*, int); extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*); @@ -100630,17 +101389,21 @@ SQLITE_PRIVATE void sqlite3StartTable( pParse->rc = SQLITE_NOMEM_BKPT; pParse->nErr++; goto begin_table_error; } pTable->zName = zName; pTable->iPKey = -1; pTable->pSchema = db->aDb[iDb].pSchema; pTable->nTabRef = 1; +#ifdef SQLITE_DEFAULT_ROWEST + pTable->nRowLogEst = sqlite3LogEst(SQLITE_DEFAULT_ROWEST); +#else pTable->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) ); +#endif assert( pParse->pNewTable==0 ); pParse->pNewTable = pTable; /* If this is the magic sqlite_sequence table used by autoincrement, ** then record a pointer to this table in the main database structure ** so that INSERT can find the table easily. */ #ifndef SQLITE_OMIT_AUTOINCREMENT @@ -101425,25 +102188,16 @@ static void convertToWithoutRowidTable(P sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0, SQLITE_IDXTYPE_PRIMARYKEY); if( db->mallocFailed ) return; pPk = sqlite3PrimaryKeyIndex(pTab); pTab->iPKey = -1; }else{ pPk = sqlite3PrimaryKeyIndex(pTab); - /* Bypass the creation of the PRIMARY KEY btree and the sqlite_master - ** table entry. This is only required if currently generating VDBE - ** code for a CREATE TABLE (not when parsing one as part of reading - ** a database schema). */ - if( v ){ - assert( db->init.busy==0 ); - sqlite3VdbeChangeOpcode(v, pPk->tnum, OP_Goto); - } - /* ** Remove all redundant columns from the PRIMARY KEY. For example, change ** "PRIMARY KEY(a,b,a,b,c,b,c,d)" into just "PRIMARY KEY(a,b,c,d)". Later ** code assumes the PRIMARY KEY contains no repeated columns. */ for(i=j=1; i<pPk->nKeyCol; i++){ if( hasColumn(pPk->aiColumn, j, pPk->aiColumn[i]) ){ pPk->nColumn--; @@ -101453,16 +102207,25 @@ static void convertToWithoutRowidTable(P } pPk->nKeyCol = j; } assert( pPk!=0 ); pPk->isCovering = 1; if( !db->init.imposterTable ) pPk->uniqNotNull = 1; nPk = pPk->nKeyCol; + /* Bypass the creation of the PRIMARY KEY btree and the sqlite_master + ** table entry. This is only required if currently generating VDBE + ** code for a CREATE TABLE (not when parsing one as part of reading + ** a database schema). */ + if( v && pPk->tnum>0 ){ + assert( db->init.busy==0 ); + sqlite3VdbeChangeOpcode(v, pPk->tnum, OP_Goto); + } + /* The root page of the PRIMARY KEY is the table root page */ pPk->tnum = pTab->tnum; /* Update the in-memory representation of all UNIQUE indices by converting ** the final rowid column into one or more columns of the PRIMARY KEY. */ for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ int n; @@ -103459,22 +104222,22 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAp sqlite3SrcListDelete(db, pList); return 0; } pItem = &pList->a[pList->nSrc-1]; if( pDatabase && pDatabase->z==0 ){ pDatabase = 0; } if( pDatabase ){ - Token *pTemp = pDatabase; - pDatabase = pTable; - pTable = pTemp; - } - pItem->zName = sqlite3NameFromToken(db, pTable); - pItem->zDatabase = sqlite3NameFromToken(db, pDatabase); + pItem->zName = sqlite3NameFromToken(db, pDatabase); + pItem->zDatabase = sqlite3NameFromToken(db, pTable); + }else{ + pItem->zName = sqlite3NameFromToken(db, pTable); + pItem->zDatabase = 0; + } return pList; } /* ** Assign VdbeCursor index numbers to all tables in a SrcList */ SQLITE_PRIVATE void sqlite3SrcListAssignCursors(Parse *pParse, SrcList *pList){ int i; @@ -103653,46 +104416,35 @@ SQLITE_PRIVATE void sqlite3BeginTransact sqlite3VdbeAddOp2(v, OP_Transaction, i, (type==TK_EXCLUSIVE)+1); sqlite3VdbeUsesBtree(v, i); } } sqlite3VdbeAddOp0(v, OP_AutoCommit); } /* -** Generate VDBE code for a COMMIT statement. -*/ -SQLITE_PRIVATE void sqlite3CommitTransaction(Parse *pParse){ +** Generate VDBE code for a COMMIT or ROLLBACK statement. +** Code for ROLLBACK is generated if eType==TK_ROLLBACK. Otherwise +** code is generated for a COMMIT. +*/ +SQLITE_PRIVATE void sqlite3EndTransaction(Parse *pParse, int eType){ Vdbe *v; + int isRollback; assert( pParse!=0 ); assert( pParse->db!=0 ); - if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, "COMMIT", 0, 0) ){ + assert( eType==TK_COMMIT || eType==TK_END || eType==TK_ROLLBACK ); + isRollback = eType==TK_ROLLBACK; + if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, + isRollback ? "ROLLBACK" : "COMMIT", 0, 0) ){ return; } v = sqlite3GetVdbe(pParse); if( v ){ - sqlite3VdbeAddOp1(v, OP_AutoCommit, 1); - } -} - -/* -** Generate VDBE code for a ROLLBACK statement. -*/ -SQLITE_PRIVATE void sqlite3RollbackTransaction(Parse *pParse){ - Vdbe *v; - - assert( pParse!=0 ); - assert( pParse->db!=0 ); - if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, "ROLLBACK", 0, 0) ){ - return; - } - v = sqlite3GetVdbe(pParse); - if( v ){ - sqlite3VdbeAddOp2(v, OP_AutoCommit, 1, 1); + sqlite3VdbeAddOp2(v, OP_AutoCommit, 1, isRollback); } } /* ** This function is called by the parser when it parses a command to create, ** release or rollback an SQL savepoint. */ SQLITE_PRIVATE void sqlite3Savepoint(Parse *pParse, int op, Token *pName){ @@ -103872,17 +104624,19 @@ SQLITE_PRIVATE void sqlite3UniqueConstra if( pIdx->aColExpr ){ sqlite3XPrintf(&errMsg, "index '%q'", pIdx->zName); }else{ for(j=0; j<pIdx->nKeyCol; j++){ char *zCol; assert( pIdx->aiColumn[j]>=0 ); zCol = pTab->aCol[pIdx->aiColumn[j]].zName; if( j ) sqlite3StrAccumAppend(&errMsg, ", ", 2); - sqlite3XPrintf(&errMsg, "%s.%s", pTab->zName, zCol); + sqlite3StrAccumAppendAll(&errMsg, pTab->zName); + sqlite3StrAccumAppend(&errMsg, ".", 1); + sqlite3StrAccumAppendAll(&errMsg, zCol); } } zErr = sqlite3StrAccumFinish(&errMsg); sqlite3HaltConstraint(pParse, IsPrimaryKeyIndex(pIdx) ? SQLITE_CONSTRAINT_PRIMARYKEY : SQLITE_CONSTRAINT_UNIQUE, onError, zErr, P4_DYNAMIC, P5_ConstraintUnique); } @@ -104261,17 +105015,17 @@ SQLITE_PRIVATE CollSeq *sqlite3GetCollSe ** that have not been defined by sqlite3_create_collation() etc. ** ** If required, this routine calls the 'collation needed' callback to ** request a definition of the collating sequence. If this doesn't work, ** an equivalent collating sequence that uses a text encoding different ** from the main database is substituted, if one is available. */ SQLITE_PRIVATE int sqlite3CheckCollSeq(Parse *pParse, CollSeq *pColl){ - if( pColl ){ + if( pColl && pColl->xCmp==0 ){ const char *zName = pColl->zName; sqlite3 *db = pParse->db; CollSeq *p = sqlite3GetCollSeq(pParse, ENC(db), pColl, zName); if( !p ){ return SQLITE_ERROR; } assert( p==pColl ); } @@ -104297,28 +105051,27 @@ static CollSeq *findCollSeqEntry( sqlite3 *db, /* Database connection */ const char *zName, /* Name of the collating sequence */ int create /* Create a new entry if true */ ){ CollSeq *pColl; pColl = sqlite3HashFind(&db->aCollSeq, zName); if( 0==pColl && create ){ - int nName = sqlite3Strlen30(zName); - pColl = sqlite3DbMallocZero(db, 3*sizeof(*pColl) + nName + 1); + int nName = sqlite3Strlen30(zName) + 1; + pColl = sqlite3DbMallocZero(db, 3*sizeof(*pColl) + nName); if( pColl ){ CollSeq *pDel = 0; pColl[0].zName = (char*)&pColl[3]; pColl[0].enc = SQLITE_UTF8; pColl[1].zName = (char*)&pColl[3]; pColl[1].enc = SQLITE_UTF16LE; pColl[2].zName = (char*)&pColl[3]; pColl[2].enc = SQLITE_UTF16BE; memcpy(pColl[0].zName, zName, nName); - pColl[0].zName[nName] = 0; pDel = sqlite3HashInsert(&db->aCollSeq, pColl[0].zName, pColl); /* If a malloc() failure occurred in sqlite3HashInsert(), it will ** return the pColl pointer to be deleted (because it wasn't added ** to the hash table). */ assert( pDel==0 || pDel==pColl ); if( pDel!=0 ){ @@ -104448,17 +105201,18 @@ SQLITE_PRIVATE void sqlite3InsertBuiltin FuncDef *aDef, /* List of global functions to be inserted */ int nDef /* Length of the apDef[] list */ ){ int i; for(i=0; i<nDef; i++){ FuncDef *pOther; const char *zName = aDef[i].zName; int nName = sqlite3Strlen30(zName); - int h = (sqlite3UpperToLower[(u8)zName[0]] + nName) % SQLITE_FUNC_HASH_SZ; + int h = (zName[0] + nName) % SQLITE_FUNC_HASH_SZ; + assert( zName[0]>='a' && zName[0]<='z' ); pOther = functionSearch(h, zName); if( pOther ){ assert( pOther!=&aDef[i] && pOther->pNext!=&aDef[i] ); aDef[i].pNext = pOther->pNext; pOther->pNext = &aDef[i]; }else{ aDef[i].pNext = 0; aDef[i].u.pHash = sqlite3BuiltinFunctions.a[h]; @@ -104981,17 +105735,17 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( #ifndef SQLITE_OMIT_TRUNCATE_OPTIMIZATION /* Special case: A DELETE without a WHERE clause deletes everything. ** It is easier just to erase the whole table. Prior to version 3.6.5, ** this optimization caused the row change count (the value returned by ** API function sqlite3_count_changes) to be set incorrectly. ** ** The "rcauth==SQLITE_OK" terms is the - ** IMPLEMENATION-OF: R-17228-37124 If the action code is SQLITE_DELETE and + ** IMPLEMENTATION-OF: R-17228-37124 If the action code is SQLITE_DELETE and ** the callback returns SQLITE_IGNORE then the DELETE operation proceeds but ** the truncate optimization is disabled and all rows are deleted ** individually. */ if( rcauth==SQLITE_OK && pWhere==0 && !bComplex && !IsVirtual(pTab) @@ -105087,17 +105841,17 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( /* Add the PK key for this row to the temporary table */ iKey = ++pParse->nMem; nKey = 0; /* Zero tells OP_Found to use a composite key */ sqlite3VdbeAddOp4(v, OP_MakeRecord, iPk, nPk, iKey, sqlite3IndexAffinityStr(pParse->db, pPk), nPk); sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iEphCur, iKey, iPk, nPk); }else{ /* Add the rowid of the row to be deleted to the RowSet */ - nKey = 1; /* OP_Seek always uses a single rowid */ + nKey = 1; /* OP_DeferredSeek always uses a single rowid */ sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iKey); } } /* If this DELETE cannot use the ONEPASS strategy, this is the ** end of the WHERE loop */ if( eOnePass!=ONEPASS_OFF ){ addrBypass = sqlite3VdbeMakeLabel(v); @@ -105480,20 +106234,21 @@ SQLITE_PRIVATE int sqlite3GenerateIndexK Vdbe *v = pParse->pVdbe; int j; int regBase; int nCol; if( piPartIdxLabel ){ if( pIdx->pPartIdxWhere ){ *piPartIdxLabel = sqlite3VdbeMakeLabel(v); - pParse->iSelfTab = iDataCur; + pParse->iSelfTab = iDataCur + 1; sqlite3ExprCachePush(pParse); sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, SQLITE_JUMPIFNULL); + pParse->iSelfTab = 0; }else{ *piPartIdxLabel = 0; } } nCol = (prefixOnly && pIdx->uniqNotNull) ? pIdx->nKeyCol : pIdx->nColumn; regBase = sqlite3GetTempRange(pParse, nCol); if( pPrior && (regBase!=regPrior || pPrior->pPartIdxWhere) ) pPrior = 0; for(j=0; j<nCol; j++){ @@ -105611,26 +106366,30 @@ static void minmaxFunc( /* ** Return the type of the argument. */ static void typeofFunc( sqlite3_context *context, int NotUsed, sqlite3_value **argv ){ - const char *z = 0; + static const char *azType[] = { "integer", "real", "text", "blob", "null" }; + int i = sqlite3_value_type(argv[0]) - 1; UNUSED_PARAMETER(NotUsed); - switch( sqlite3_value_type(argv[0]) ){ - case SQLITE_INTEGER: z = "integer"; break; - case SQLITE_TEXT: z = "text"; break; - case SQLITE_FLOAT: z = "real"; break; - case SQLITE_BLOB: z = "blob"; break; - default: z = "null"; break; - } - sqlite3_result_text(context, z, -1, SQLITE_STATIC); + assert( i>=0 && i<ArraySize(azType) ); + assert( SQLITE_INTEGER==1 ); + assert( SQLITE_FLOAT==2 ); + assert( SQLITE_TEXT==3 ); + assert( SQLITE_BLOB==4 ); + assert( SQLITE_NULL==5 ); + /* EVIDENCE-OF: R-01470-60482 The sqlite3_value_type(V) interface returns + ** the datatype code for the initial datatype of the sqlite3_value object + ** V. The returned value is one of SQLITE_INTEGER, SQLITE_FLOAT, + ** SQLITE_TEXT, SQLITE_BLOB, or SQLITE_NULL. */ + sqlite3_result_text(context, azType[i], -1, SQLITE_STATIC); } /* ** Implementation of the length() function */ static void lengthFunc( sqlite3_context *context, @@ -108041,20 +108800,22 @@ static void fkScanChildren( memset(&sNameContext, 0, sizeof(NameContext)); sNameContext.pSrcList = pSrc; sNameContext.pParse = pParse; sqlite3ResolveExprNames(&sNameContext, pWhere); /* Create VDBE to loop through the entries in pSrc that match the WHERE ** clause. For each row found, increment either the deferred or immediate ** foreign key constraint counter. */ - pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0, 0); - sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, nIncr); - if( pWInfo ){ - sqlite3WhereEnd(pWInfo); + if( pParse->nErr==0 ){ + pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0, 0); + sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, nIncr); + if( pWInfo ){ + sqlite3WhereEnd(pWInfo); + } } /* Clean up the WHERE clause constructed above. */ sqlite3ExprDelete(db, pWhere); if( iFkIfZero ){ sqlite3VdbeJumpHere(v, iFkIfZero); } } @@ -109351,20 +110112,20 @@ SQLITE_PRIVATE void sqlite3Insert( #ifndef SQLITE_OMIT_TRIGGER int isView; /* True if attempting to insert into a view */ Trigger *pTrigger; /* List of triggers on pTab, if required */ int tmask; /* Mask of trigger times */ #endif db = pParse->db; - memset(&dest, 0, sizeof(dest)); if( pParse->nErr || db->mallocFailed ){ goto insert_cleanup; } + dest.iSDParm = 0; /* Suppress a harmless compiler warning */ /* If the Select object is really just a simple VALUES() list with a ** single row (the common case) then keep that one row of values ** and discard the other (unused) parts of the pSelect object */ if( pSelect && (pSelect->selFlags & SF_Values)!=0 && pSelect->pPrior==0 ){ pList = pSelect->pEList; pSelect->pEList = 0; @@ -110163,17 +110924,17 @@ SQLITE_PRIVATE void sqlite3GenerateConst } } /* Test all CHECK constraints */ #ifndef SQLITE_OMIT_CHECK if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ ExprList *pCheck = pTab->pCheck; - pParse->ckBase = regNewData+1; + pParse->iSelfTab = -(regNewData+1); onError = overrideError!=OE_Default ? overrideError : OE_Abort; for(i=0; i<pCheck->nExpr; i++){ int allOk; Expr *pExpr = pCheck->a[i].pExpr; if( aiChng && checkConstraintUnchanged(pExpr, aiChng, pkChng) ) continue; allOk = sqlite3VdbeMakeLabel(v); sqlite3ExprIfTrue(pParse, pExpr, allOk, SQLITE_JUMPIFNULL); if( onError==OE_Ignore ){ @@ -110183,16 +110944,17 @@ SQLITE_PRIVATE void sqlite3GenerateConst if( zName==0 ) zName = pTab->zName; if( onError==OE_Replace ) onError = OE_Abort; /* IMP: R-15569-63625 */ sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_CHECK, onError, zName, P4_TRANSIENT, P5_ConstraintCheck); } sqlite3VdbeResolveLabel(v, allOk); } + pParse->iSelfTab = 0; } #endif /* !defined(SQLITE_OMIT_CHECK) */ /* If rowid is changing, make sure the new rowid does not previously ** exist in the table. */ if( pkChng && pPk==0 ){ int addrRowidOk = sqlite3VdbeMakeLabel(v); @@ -110327,33 +111089,33 @@ SQLITE_PRIVATE void sqlite3GenerateConst bAffinityDone = 1; } iThisCur = iIdxCur+ix; addrUniqueOk = sqlite3VdbeMakeLabel(v); /* Skip partial indices for which the WHERE clause is not true */ if( pIdx->pPartIdxWhere ){ sqlite3VdbeAddOp2(v, OP_Null, 0, aRegIdx[ix]); - pParse->ckBase = regNewData+1; + pParse->iSelfTab = -(regNewData+1); sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, addrUniqueOk, SQLITE_JUMPIFNULL); - pParse->ckBase = 0; + pParse->iSelfTab = 0; } /* Create a record for this index entry as it should appear after ** the insert or update. Store that record in the aRegIdx[ix] register */ regIdx = aRegIdx[ix]+1; for(i=0; i<pIdx->nColumn; i++){ int iField = pIdx->aiColumn[i]; int x; if( iField==XN_EXPR ){ - pParse->ckBase = regNewData+1; + pParse->iSelfTab = -(regNewData+1); sqlite3ExprCodeCopy(pParse, pIdx->aColExpr->a[i].pExpr, regIdx+i); - pParse->ckBase = 0; + pParse->iSelfTab = 0; VdbeComment((v, "%s column %d", pIdx->zName, i)); }else{ if( iField==XN_ROWID || iField==pTab->iPKey ){ x = regNewData; }else{ x = iField + regNewData + 1; } sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i); @@ -110728,29 +111490,29 @@ static int xferCompatibleIndex(Index *pD return 0; /* Different conflict resolution strategies */ } for(i=0; i<pSrc->nKeyCol; i++){ if( pSrc->aiColumn[i]!=pDest->aiColumn[i] ){ return 0; /* Different columns indexed */ } if( pSrc->aiColumn[i]==XN_EXPR ){ assert( pSrc->aColExpr!=0 && pDest->aColExpr!=0 ); - if( sqlite3ExprCompare(pSrc->aColExpr->a[i].pExpr, + if( sqlite3ExprCompare(0, pSrc->aColExpr->a[i].pExpr, pDest->aColExpr->a[i].pExpr, -1)!=0 ){ return 0; /* Different expressions in the index */ } } if( pSrc->aSortOrder[i]!=pDest->aSortOrder[i] ){ return 0; /* Different sort orders */ } if( sqlite3_stricmp(pSrc->azColl[i],pDest->azColl[i])!=0 ){ return 0; /* Different collating sequences */ } } - if( sqlite3ExprCompare(pSrc->pPartIdxWhere, pDest->pPartIdxWhere, -1) ){ + if( sqlite3ExprCompare(0, pSrc->pPartIdxWhere, pDest->pPartIdxWhere, -1) ){ return 0; /* Different WHERE clauses */ } /* If no test above fails then the indices must be compatible */ return 1; } /* @@ -111220,21 +111982,18 @@ SQLITE_API int sqlite3_exec( } exec_out: if( pStmt ) sqlite3VdbeFinalize((Vdbe *)pStmt); sqlite3DbFree(db, azCols); rc = sqlite3ApiExit(db, rc); if( rc!=SQLITE_OK && pzErrMsg ){ - int nErrMsg = 1 + sqlite3Strlen30(sqlite3_errmsg(db)); - *pzErrMsg = sqlite3Malloc(nErrMsg); - if( *pzErrMsg ){ - memcpy(*pzErrMsg, sqlite3_errmsg(db), nErrMsg); - }else{ + *pzErrMsg = sqlite3DbStrDup(0, sqlite3_errmsg(db)); + if( *pzErrMsg==0 ){ rc = SQLITE_NOMEM_BKPT; sqlite3Error(db, SQLITE_NOMEM); } }else if( pzErrMsg ){ *pzErrMsg = 0; } assert( (rc&db->errMask)==rc ); @@ -111545,16 +112304,24 @@ struct sqlite3_api_routines { int (*db_cacheflush)(sqlite3*); /* Version 3.12.0 and later */ int (*system_errno)(sqlite3*); /* Version 3.14.0 and later */ int (*trace_v2)(sqlite3*,unsigned,int(*)(unsigned,void*,void*,void*),void*); char *(*expanded_sql)(sqlite3_stmt*); /* Version 3.18.0 and later */ void (*set_last_insert_rowid)(sqlite3*,sqlite3_int64); + /* Version 3.20.0 and later */ + int (*prepare_v3)(sqlite3*,const char*,int,unsigned int, + sqlite3_stmt**,const char**); + int (*prepare16_v3)(sqlite3*,const void*,int,unsigned int, + sqlite3_stmt**,const void**); + int (*bind_pointer)(sqlite3_stmt*,int,void*,const char*,void(*)(void*)); + void (*result_pointer)(sqlite3_context*,void*,const char*,void(*)(void*)); + void *(*value_pointer)(sqlite3_value*,const char*); }; /* ** This is the function signature used for all extension entry points. It ** is also defined in the file "loadext.c". */ typedef int (*sqlite3_loadext_entry)( sqlite3 *db, /* Handle to the database. */ @@ -111805,16 +112572,22 @@ typedef int (*sqlite3_loadext_entry)( #define sqlite3_db_cacheflush sqlite3_api->db_cacheflush /* Version 3.12.0 and later */ #define sqlite3_system_errno sqlite3_api->system_errno /* Version 3.14.0 and later */ #define sqlite3_trace_v2 sqlite3_api->trace_v2 #define sqlite3_expanded_sql sqlite3_api->expanded_sql /* Version 3.18.0 and later */ #define sqlite3_set_last_insert_rowid sqlite3_api->set_last_insert_rowid +/* Version 3.20.0 and later */ +#define sqlite3_prepare_v3 sqlite3_api->prepare_v3 +#define sqlite3_prepare16_v3 sqlite3_api->prepare16_v3 +#define sqlite3_bind_pointer sqlite3_api->bind_pointer +#define sqlite3_result_pointer sqlite3_api->result_pointer +#define sqlite3_value_pointer sqlite3_api->value_pointer #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; # define SQLITE_EXTENSION_INIT3 \ @@ -111860,16 +112633,17 @@ typedef int (*sqlite3_loadext_entry)( # define sqlite3_column_text16 0 # define sqlite3_complete16 0 # define sqlite3_create_collation16 0 # define sqlite3_create_function16 0 # define sqlite3_errmsg16 0 # define sqlite3_open16 0 # define sqlite3_prepare16 0 # define sqlite3_prepare16_v2 0 +# define sqlite3_prepare16_v3 0 # define sqlite3_result_error16 0 # define sqlite3_result_text16 0 # define sqlite3_result_text16be 0 # define sqlite3_result_text16le 0 # define sqlite3_value_text16 0 # define sqlite3_value_text16be 0 # define sqlite3_value_text16le 0 # define sqlite3_column_database_name16 0 @@ -112232,17 +113006,23 @@ static const sqlite3_api_routines sqlite sqlite3_strlike, sqlite3_db_cacheflush, /* Version 3.12.0 and later */ sqlite3_system_errno, /* Version 3.14.0 and later */ sqlite3_trace_v2, sqlite3_expanded_sql, /* Version 3.18.0 and later */ - sqlite3_set_last_insert_rowid + sqlite3_set_last_insert_rowid, + /* Version 3.20.0 and later */ + sqlite3_prepare_v3, + sqlite3_prepare16_v3, + sqlite3_bind_pointer, + sqlite3_result_pointer, + sqlite3_value_pointer }; /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a ** default entry point name (sqlite3_extension_init) is used. Use ** of the default name is recommended. ** @@ -112654,45 +113434,48 @@ SQLITE_PRIVATE void sqlite3AutoLoadExten #define PragTyp_COLLATION_LIST 7 #define PragTyp_COMPILE_OPTIONS 8 #define PragTyp_DATA_STORE_DIRECTORY 9 #define PragTyp_DATABASE_LIST 10 #define PragTyp_DEFAULT_CACHE_SIZE 11 #define PragTyp_ENCODING 12 #define PragTyp_FOREIGN_KEY_CHECK 13 #define PragTyp_FOREIGN_KEY_LIST 14 -#define PragTyp_INCREMENTAL_VACUUM 15 -#define PragTyp_INDEX_INFO 16 -#define PragTyp_INDEX_LIST 17 -#define PragTyp_INTEGRITY_CHECK 18 -#define PragTyp_JOURNAL_MODE 19 -#define PragTyp_JOURNAL_SIZE_LIMIT 20 -#define PragTyp_LOCK_PROXY_FILE 21 -#define PragTyp_LOCKING_MODE 22 -#define PragTyp_PAGE_COUNT 23 -#define PragTyp_MMAP_SIZE 24 -#define PragTyp_OPTIMIZE 25 -#define PragTyp_PAGE_SIZE 26 -#define PragTyp_SECURE_DELETE 27 -#define PragTyp_SHRINK_MEMORY 28 -#define PragTyp_SOFT_HEAP_LIMIT 29 -#define PragTyp_SYNCHRONOUS 30 -#define PragTyp_TABLE_INFO 31 -#define PragTyp_TEMP_STORE 32 -#define PragTyp_TEMP_STORE_DIRECTORY 33 -#define PragTyp_THREADS 34 -#define PragTyp_WAL_AUTOCHECKPOINT 35 -#define PragTyp_WAL_CHECKPOINT 36 -#define PragTyp_ACTIVATE_EXTENSIONS 37 -#define PragTyp_HEXKEY 38 -#define PragTyp_KEY 39 -#define PragTyp_REKEY 40 -#define PragTyp_LOCK_STATUS 41 -#define PragTyp_PARSER_TRACE 42 -#define PragTyp_STATS 43 +#define PragTyp_FUNCTION_LIST 15 +#define PragTyp_INCREMENTAL_VACUUM 16 +#define PragTyp_INDEX_INFO 17 +#define PragTyp_INDEX_LIST 18 +#define PragTyp_INTEGRITY_CHECK 19 +#define PragTyp_JOURNAL_MODE 20 +#define PragTyp_JOURNAL_SIZE_LIMIT 21 +#define PragTyp_LOCK_PROXY_FILE 22 +#define PragTyp_LOCKING_MODE 23 +#define PragTyp_PAGE_COUNT 24 +#define PragTyp_MMAP_SIZE 25 +#define PragTyp_MODULE_LIST 26 +#define PragTyp_OPTIMIZE 27 +#define PragTyp_PAGE_SIZE 28 +#define PragTyp_PRAGMA_LIST 29 +#define PragTyp_SECURE_DELETE 30 +#define PragTyp_SHRINK_MEMORY 31 +#define PragTyp_SOFT_HEAP_LIMIT 32 +#define PragTyp_SYNCHRONOUS 33 +#define PragTyp_TABLE_INFO 34 +#define PragTyp_TEMP_STORE 35 +#define PragTyp_TEMP_STORE_DIRECTORY 36 +#define PragTyp_THREADS 37 +#define PragTyp_WAL_AUTOCHECKPOINT 38 +#define PragTyp_WAL_CHECKPOINT 39 +#define PragTyp_ACTIVATE_EXTENSIONS 40 +#define PragTyp_HEXKEY 41 +#define PragTyp_KEY 42 +#define PragTyp_REKEY 43 +#define PragTyp_LOCK_STATUS 44 +#define PragTyp_PARSER_TRACE 45 +#define PragTyp_STATS 46 /* Property flags associated with various pragma. */ #define PragFlg_NeedSchema 0x01 /* Force schema load before running */ #define PragFlg_NoColumns 0x02 /* OP_ResultRow called with zero columns */ #define PragFlg_NoColumns1 0x04 /* zero columns if RHS argument is present */ #define PragFlg_ReadOnly 0x08 /* Read-only HEADER_VALUE */ #define PragFlg_Result0 0x10 /* Acts as query when no argument */ #define PragFlg_Result1 0x20 /* Acts as query when has one argument */ @@ -112728,36 +113511,39 @@ static const char *const pragCName[] = { /* 21 */ "seq", /* Used by: index_list */ /* 22 */ "name", /* 23 */ "unique", /* 24 */ "origin", /* 25 */ "partial", /* 26 */ "seq", /* Used by: database_list */ /* 27 */ "name", /* 28 */ "file", - /* 29 */ "seq", /* Used by: collation_list */ - /* 30 */ "name", - /* 31 */ "id", /* Used by: foreign_key_list */ - /* 32 */ "seq", - /* 33 */ "table", - /* 34 */ "from", - /* 35 */ "to", - /* 36 */ "on_update", - /* 37 */ "on_delete", - /* 38 */ "match", - /* 39 */ "table", /* Used by: foreign_key_check */ - /* 40 */ "rowid", - /* 41 */ "parent", - /* 42 */ "fkid", - /* 43 */ "busy", /* Used by: wal_checkpoint */ - /* 44 */ "log", - /* 45 */ "checkpointed", - /* 46 */ "timeout", /* Used by: busy_timeout */ - /* 47 */ "database", /* Used by: lock_status */ - /* 48 */ "status", + /* 29 */ "name", /* Used by: function_list */ + /* 30 */ "builtin", + /* 31 */ "name", /* Used by: module_list pragma_list */ + /* 32 */ "seq", /* Used by: collation_list */ + /* 33 */ "name", + /* 34 */ "id", /* Used by: foreign_key_list */ + /* 35 */ "seq", + /* 36 */ "table", + /* 37 */ "from", + /* 38 */ "to", + /* 39 */ "on_update", + /* 40 */ "on_delete", + /* 41 */ "match", + /* 42 */ "table", /* Used by: foreign_key_check */ + /* 43 */ "rowid", + /* 44 */ "parent", + /* 45 */ "fkid", + /* 46 */ "busy", /* Used by: wal_checkpoint */ + /* 47 */ "log", + /* 48 */ "checkpointed", + /* 49 */ "timeout", /* Used by: busy_timeout */ + /* 50 */ "database", /* Used by: lock_status */ + /* 51 */ "status", }; /* Definitions of all built-in pragmas */ typedef struct PragmaName { const char *const zName; /* Name of pragma */ u8 ePragTyp; /* PragTyp_XXX value */ u8 mPragFlg; /* Zero or more PragFlg_XXX values */ u8 iPragCName; /* Start of column names in pragCName[] */ @@ -112793,17 +113579,17 @@ static const PragmaName aPragmaName[] = /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_AutoIndex }, #endif #endif {/* zName: */ "busy_timeout", /* ePragTyp: */ PragTyp_BUSY_TIMEOUT, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 46, 1, + /* ColNames: */ 49, 1, /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "cache_size", /* ePragTyp: */ PragTyp_CACHE_SIZE, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif @@ -112830,17 +113616,17 @@ static const PragmaName aPragmaName[] = /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_CkptFullFSync }, #endif #if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) {/* zName: */ "collation_list", /* ePragTyp: */ PragTyp_COLLATION_LIST, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 29, 2, + /* ColNames: */ 32, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) {/* zName: */ "compile_options", /* ePragTyp: */ PragTyp_COMPILE_OPTIONS, /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, @@ -112901,25 +113687,25 @@ static const PragmaName aPragmaName[] = /* ePragTyp: */ PragTyp_ENCODING, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER) {/* zName: */ "foreign_key_check", /* ePragTyp: */ PragTyp_FOREIGN_KEY_CHECK, - /* ePragFlg: */ PragFlg_NeedSchema, - /* ColNames: */ 39, 4, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0, + /* ColNames: */ 42, 4, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FOREIGN_KEY) {/* zName: */ "foreign_key_list", /* ePragTyp: */ PragTyp_FOREIGN_KEY_LIST, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, - /* ColNames: */ 31, 8, + /* ColNames: */ 34, 8, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER) {/* zName: */ "foreign_keys", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, @@ -112940,16 +113726,25 @@ static const PragmaName aPragmaName[] = /* ColNames: */ 0, 0, /* iArg: */ SQLITE_FullColNames }, {/* zName: */ "fullfsync", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_FullFSync }, #endif +#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) +#if defined(SQLITE_INTROSPECTION_PRAGMAS) + {/* zName: */ "function_list", + /* ePragTyp: */ PragTyp_FUNCTION_LIST, + /* ePragFlg: */ PragFlg_Result0, + /* ColNames: */ 29, 2, + /* iArg: */ 0 }, +#endif +#endif #if defined(SQLITE_HAS_CODEC) {/* zName: */ "hexkey", /* ePragTyp: */ PragTyp_HEXKEY, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, {/* zName: */ "hexrekey", /* ePragTyp: */ PragTyp_HEXKEY, @@ -112988,17 +113783,17 @@ static const PragmaName aPragmaName[] = /* ePragTyp: */ PragTyp_INDEX_INFO, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, /* ColNames: */ 15, 6, /* iArg: */ 1 }, #endif #if !defined(SQLITE_OMIT_INTEGRITY_CHECK) {/* zName: */ "integrity_check", /* ePragTyp: */ PragTyp_INTEGRITY_CHECK, - /* ePragFlg: */ PragFlg_NeedSchema, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "journal_mode", /* ePragTyp: */ PragTyp_JOURNAL_MODE, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq, /* ColNames: */ 0, 0, @@ -113029,17 +113824,17 @@ static const PragmaName aPragmaName[] = /* ePragFlg: */ PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) {/* zName: */ "lock_status", /* ePragTyp: */ PragTyp_LOCK_STATUS, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 47, 2, + /* ColNames: */ 50, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "locking_mode", /* ePragTyp: */ PragTyp_LOCKING_MODE, /* ePragFlg: */ PragFlg_Result0|PragFlg_SchemaReq, /* ColNames: */ 0, 0, /* iArg: */ 0 }, @@ -113049,16 +113844,27 @@ static const PragmaName aPragmaName[] = /* ColNames: */ 0, 0, /* iArg: */ 0 }, {/* zName: */ "mmap_size", /* ePragTyp: */ PragTyp_MMAP_SIZE, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif +#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) +#if !defined(SQLITE_OMIT_VIRTUALTABLE) +#if defined(SQLITE_INTROSPECTION_PRAGMAS) + {/* zName: */ "module_list", + /* ePragTyp: */ PragTyp_MODULE_LIST, + /* ePragFlg: */ PragFlg_Result0, + /* ColNames: */ 31, 1, + /* iArg: */ 0 }, +#endif +#endif +#endif {/* zName: */ "optimize", /* ePragTyp: */ PragTyp_OPTIMIZE, /* ePragFlg: */ PragFlg_Result1|PragFlg_NeedSchema, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "page_count", /* ePragTyp: */ PragTyp_PAGE_COUNT, @@ -113073,36 +113879,43 @@ static const PragmaName aPragmaName[] = #endif #if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_PARSER_TRACE) {/* zName: */ "parser_trace", /* ePragTyp: */ PragTyp_PARSER_TRACE, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif +#if defined(SQLITE_INTROSPECTION_PRAGMAS) + {/* zName: */ "pragma_list", + /* ePragTyp: */ PragTyp_PRAGMA_LIST, + /* ePragFlg: */ PragFlg_Result0, + /* ColNames: */ 31, 1, + /* iArg: */ 0 }, +#endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "query_only", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_QueryOnly }, #endif #if !defined(SQLITE_OMIT_INTEGRITY_CHECK) {/* zName: */ "quick_check", /* ePragTyp: */ PragTyp_INTEGRITY_CHECK, - /* ePragFlg: */ PragFlg_NeedSchema, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "read_uncommitted", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, - /* iArg: */ SQLITE_ReadUncommitted }, + /* iArg: */ SQLITE_ReadUncommit }, {/* zName: */ "recursive_triggers", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_RecTriggers }, #endif #if defined(SQLITE_HAS_CODEC) {/* zName: */ "rekey", @@ -113236,28 +114049,28 @@ static const PragmaName aPragmaName[] = {/* zName: */ "wal_autocheckpoint", /* ePragTyp: */ PragTyp_WAL_AUTOCHECKPOINT, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, {/* zName: */ "wal_checkpoint", /* ePragTyp: */ PragTyp_WAL_CHECKPOINT, /* ePragFlg: */ PragFlg_NeedSchema, - /* ColNames: */ 43, 3, + /* ColNames: */ 46, 3, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "writable_schema", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, - /* iArg: */ SQLITE_WriteSchema|SQLITE_RecoveryMode }, -#endif -}; -/* Number of pragmas: 60 on by default, 74 total. */ + /* iArg: */ SQLITE_WriteSchema }, +#endif +}; +/* Number of pragmas: 60 on by default, 77 total. */ /************** End of pragma.h **********************************************/ /************** Continuing where we left off in pragma.c *********************/ /* ** Interpret the given string as a safety level. Return 0 for OFF, ** 1 for ON or NORMAL, 2 for FULL, and 3 for EXTRA. Return 1 for an empty or ** unrecognized string argument. The FULL and EXTRA option is disallowed @@ -113737,28 +114550,32 @@ SQLITE_PRIVATE void sqlite3Pragma( sqlite3OomFault(db); } } break; } /* ** PRAGMA [schema.]secure_delete - ** PRAGMA [schema.]secure_delete=ON/OFF + ** PRAGMA [schema.]secure_delete=ON/OFF/FAST ** ** The first form reports the current setting for the ** secure_delete flag. The second form changes the secure_delete - ** flag setting and reports thenew value. + ** flag setting and reports the new value. */ case PragTyp_SECURE_DELETE: { Btree *pBt = pDb->pBt; int b = -1; assert( pBt!=0 ); if( zRight ){ - b = sqlite3GetBoolean(zRight, 0); + if( sqlite3_stricmp(zRight, "fast")==0 ){ + b = 2; + }else{ + b = sqlite3GetBoolean(zRight, 0); + } } if( pId2->n==0 && b>=0 ){ int ii; for(ii=0; ii<db->nDb; ii++){ sqlite3BtreeSecureDelete(db->aDb[ii].pBt, b); } } b = sqlite3BtreeSecureDelete(pBt, b); @@ -114330,17 +115147,16 @@ SQLITE_PRIVATE void sqlite3Pragma( assert( pCol->pDflt==0 || pCol->pDflt->op==TK_SPAN ); sqlite3VdbeMultiLoad(v, 1, "issisi", i-nHidden, pCol->zName, sqlite3ColumnType(pCol,""), pCol->notNull ? 1 : 0, pCol->pDflt ? pCol->pDflt->u.zToken : 0, k); - sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6); } } } break; #ifdef SQLITE_DEBUG case PragTyp_STATS: { Index *pIdx; @@ -114350,19 +115166,18 @@ SQLITE_PRIVATE void sqlite3Pragma( for(i=sqliteHashFirst(&pDb->pSchema->tblHash); i; i=sqliteHashNext(i)){ Table *pTab = sqliteHashData(i); sqlite3VdbeMultiLoad(v, 1, "ssiii", pTab->zName, 0, pTab->szTabRow, pTab->nRowLogEst, pTab->tabFlags); - sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5); for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ - sqlite3VdbeMultiLoad(v, 2, "siii", + sqlite3VdbeMultiLoad(v, 2, "siiiX", pIdx->zName, pIdx->szIdxRow, pIdx->aiRowLogEst[0], pIdx->hasStat1); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5); } } } @@ -114385,20 +115200,20 @@ SQLITE_PRIVATE void sqlite3Pragma( mx = pIdx->nKeyCol; pParse->nMem = 3; } pTab = pIdx->pTable; sqlite3CodeVerifySchema(pParse, iDb); assert( pParse->nMem<=pPragma->nPragCName ); for(i=0; i<mx; i++){ i16 cnum = pIdx->aiColumn[i]; - sqlite3VdbeMultiLoad(v, 1, "iis", i, cnum, + sqlite3VdbeMultiLoad(v, 1, "iisX", i, cnum, cnum<0 ? 0 : pTab->aCol[cnum].zName); if( pPragma->iArg ){ - sqlite3VdbeMultiLoad(v, 4, "isi", + sqlite3VdbeMultiLoad(v, 4, "isiX", pIdx->aSortOrder[i], pIdx->azColl[i], i<pIdx->nKeyCol); } sqlite3VdbeAddOp2(v, OP_ResultRow, 1, pParse->nMem); } } } @@ -114415,48 +115230,89 @@ SQLITE_PRIVATE void sqlite3Pragma( for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){ const char *azOrigin[] = { "c", "u", "pk" }; sqlite3VdbeMultiLoad(v, 1, "isisi", i, pIdx->zName, IsUniqueIndex(pIdx), azOrigin[pIdx->idxType], pIdx->pPartIdxWhere!=0); - sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5); } } } break; case PragTyp_DATABASE_LIST: { int i; pParse->nMem = 3; for(i=0; i<db->nDb; i++){ if( db->aDb[i].pBt==0 ) continue; assert( db->aDb[i].zDbSName!=0 ); sqlite3VdbeMultiLoad(v, 1, "iss", i, db->aDb[i].zDbSName, sqlite3BtreeGetFilename(db->aDb[i].pBt)); - sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3); } } break; case PragTyp_COLLATION_LIST: { int i = 0; HashElem *p; pParse->nMem = 2; for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){ CollSeq *pColl = (CollSeq *)sqliteHashData(p); sqlite3VdbeMultiLoad(v, 1, "is", i++, pColl->zName); + } + } + break; + +#ifdef SQLITE_INTROSPECTION_PRAGMAS + case PragTyp_FUNCTION_LIST: { + int i; + HashElem *j; + FuncDef *p; + pParse->nMem = 2; + for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){ + for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash ){ + sqlite3VdbeMultiLoad(v, 1, "si", p->zName, 1); + sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2); + } + } + for(j=sqliteHashFirst(&db->aFunc); j; j=sqliteHashNext(j)){ + p = (FuncDef*)sqliteHashData(j); + sqlite3VdbeMultiLoad(v, 1, "si", p->zName, 0); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2); } } break; + +#ifndef SQLITE_OMIT_VIRTUALTABLE + case PragTyp_MODULE_LIST: { + HashElem *j; + pParse->nMem = 1; + for(j=sqliteHashFirst(&db->aModule); j; j=sqliteHashNext(j)){ + Module *pMod = (Module*)sqliteHashData(j); + sqlite3VdbeMultiLoad(v, 1, "s", pMod->zName); + sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1); + } + } + break; +#endif /* SQLITE_OMIT_VIRTUALTABLE */ + + case PragTyp_PRAGMA_LIST: { + int i; + for(i=0; i<ArraySize(aPragmaName); i++){ + sqlite3VdbeMultiLoad(v, 1, "s", aPragmaName[i].zName); + sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1); + } + } + break; +#endif /* SQLITE_INTROSPECTION_PRAGMAS */ + #endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */ #ifndef SQLITE_OMIT_FOREIGN_KEY case PragTyp_FOREIGN_KEY_LIST: if( zRight ){ FKey *pFK; Table *pTab; pTab = sqlite3FindTable(db, zRight, zDb); if( pTab ){ @@ -114472,17 +115328,16 @@ SQLITE_PRIVATE void sqlite3Pragma( i, j, pFK->zTo, pTab->aCol[pFK->aCol[j].iFrom].zName, pFK->aCol[j].zCol, actionName(pFK->aAction[1]), /* ON UPDATE */ actionName(pFK->aAction[0]), /* ON DELETE */ "NONE"); - sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 8); } ++i; pFK = pFK->pNextFrom; } } } } break; @@ -114582,17 +115437,17 @@ SQLITE_PRIVATE void sqlite3Pragma( } /* Generate code to report an FK violation to the caller. */ if( HasRowid(pTab) ){ sqlite3VdbeAddOp2(v, OP_Rowid, 0, regResult+1); }else{ sqlite3VdbeAddOp2(v, OP_Null, 0, regResult+1); } - sqlite3VdbeMultiLoad(v, regResult+2, "si", pFK->zTo, i-1); + sqlite3VdbeMultiLoad(v, regResult+2, "siX", pFK->zTo, i-1); sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, 4); sqlite3VdbeResolveLabel(v, addrOk); sqlite3DbFree(db, aiCols); } sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1); VdbeCoverage(v); sqlite3VdbeJumpHere(v, addrTop); } } @@ -114708,16 +115563,17 @@ SQLITE_PRIVATE void sqlite3Pragma( for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ aRoot[cnt++] = pIdx->tnum; } } aRoot[cnt] = 0; /* Make sure sufficient number of registers have been allocated */ pParse->nMem = MAX( pParse->nMem, 8+mxIdx ); + sqlite3ClearTempRegCache(pParse); /* Do the b-tree integrity checks */ sqlite3VdbeAddOp4(v, OP_IntegrityCk, 2, cnt, 1, (char*)aRoot,P4_INTARRAY); sqlite3VdbeChangeP5(v, (u8)i); addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v); sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName), P4_DYNAMIC); @@ -114773,24 +115629,25 @@ SQLITE_PRIVATE void sqlite3Pragma( /* Verify CHECK constraints */ if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ ExprList *pCheck = sqlite3ExprListDup(db, pTab->pCheck, 0); if( db->mallocFailed==0 ){ int addrCkFault = sqlite3VdbeMakeLabel(v); int addrCkOk = sqlite3VdbeMakeLabel(v); char *zErr; int k; - pParse->iSelfTab = iDataCur; + pParse->iSelfTab = iDataCur + 1; sqlite3ExprCachePush(pParse); for(k=pCheck->nExpr-1; k>0; k--){ sqlite3ExprIfFalse(pParse, pCheck->a[k].pExpr, addrCkFault, 0); } sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, SQLITE_JUMPIFNULL); sqlite3VdbeResolveLabel(v, addrCkFault); + pParse->iSelfTab = 0; zErr = sqlite3MPrintf(db, "CHECK constraint failed in %s", pTab->zName); sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); integrityCheckResultRow(v, 3); sqlite3VdbeResolveLabel(v, addrCkOk); sqlite3ExprCachePop(pParse); } sqlite3ExprListDelete(db, pCheck); @@ -115122,17 +115979,18 @@ SQLITE_PRIVATE void sqlite3Pragma( ** 0x0004 (Not yet implemented) Record usage and performance ** information from the current session in the ** database file so that it will be available to "optimize" ** pragmas run by future database connections. ** ** 0x0008 (Not yet implemented) Create indexes that might have ** been helpful to recent queries ** - ** The default MASK is and always shall be 0xfffe. 0xfffe means perform all ** of the optimizations listed above except Debug Mode, including new + ** The default MASK is and always shall be 0xfffe. 0xfffe means perform all + ** of the optimizations listed above except Debug Mode, including new ** optimizations that have not yet been invented. If new optimizations are ** ever added that should be off by default, those off-by-default ** optimizations will have bitmasks of 0x10000 or larger. ** ** DETERMINATION OF WHEN TO RUN ANALYZE ** ** In the current implementation, a table is analyzed if only if all of ** the following are true: @@ -115284,17 +116142,16 @@ SQLITE_PRIVATE void sqlite3Pragma( pBt = db->aDb[i].pBt; if( pBt==0 || sqlite3BtreePager(pBt)==0 ){ zState = "closed"; }else if( sqlite3_file_control(db, i ? db->aDb[i].zDbSName : 0, SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){ zState = azLockName[j]; } sqlite3VdbeMultiLoad(v, 1, "ss", db->aDb[i].zDbSName, zState); - sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2); } break; } #endif #ifdef SQLITE_HAS_CODEC case PragTyp_KEY: { if( zRight ) sqlite3_key_v2(db, zDb, zRight, sqlite3Strlen30(zRight)); @@ -115550,20 +116407,24 @@ static int pragmaVtabFilter( StrAccum acc; char *zSql; UNUSED_PARAMETER(idxNum); UNUSED_PARAMETER(idxStr); pragmaVtabCursorClear(pCsr); j = (pTab->pName->mPragFlg & PragFlg_Result1)!=0 ? 0 : 1; for(i=0; i<argc; i++, j++){ + const char *zText = (const char*)sqlite3_value_text(argv[i]); assert( j<ArraySize(pCsr->azArg) ); - pCsr->azArg[j] = sqlite3_mprintf("%s", sqlite3_value_text(argv[i])); - if( pCsr->azArg[j]==0 ){ - return SQLITE_NOMEM; + assert( pCsr->azArg[j]==0 ); + if( zText ){ + pCsr->azArg[j] = sqlite3_mprintf("%s", zText); + if( pCsr->azArg[j]==0 ){ + return SQLITE_NOMEM; + } } } sqlite3StrAccumInit(&acc, 0, 0, 0, pTab->db->aLimit[SQLITE_LIMIT_SQL_LENGTH]); sqlite3StrAccumAppendAll(&acc, "PRAGMA "); if( pCsr->azArg[1] ){ sqlite3XPrintf(&acc, "%Q.", pCsr->azArg[1]); } sqlite3StrAccumAppendAll(&acc, pTab->pName->zName); @@ -115686,17 +116547,17 @@ SQLITE_PRIVATE Module *sqlite3PragmaVtab ** that the database is corrupt. */ static void corruptSchema( InitData *pData, /* Initialization context */ const char *zObj, /* Object being parsed at the point of error */ const char *zExtra /* Error information */ ){ sqlite3 *db = pData->db; - if( !db->mallocFailed && (db->flags & SQLITE_RecoveryMode)==0 ){ + if( !db->mallocFailed && (db->flags & SQLITE_WriteSchema)==0 ){ char *z; if( zObj==0 ) zObj = "?"; z = sqlite3MPrintf(db, "malformed database schema (%s)", zObj); if( zExtra ) z = sqlite3MPrintf(db, "%z - %s", z, zExtra); sqlite3DbFree(db, *pData->pzErrMsg); *pData->pzErrMsg = z; } pData->rc = db->mallocFailed ? SQLITE_NOMEM_BKPT : SQLITE_CORRUPT_BKPT; @@ -115973,18 +116834,18 @@ static int sqlite3InitOne(sqlite3 *db, i sqlite3AnalysisLoad(db, iDb); } #endif } if( db->mallocFailed ){ rc = SQLITE_NOMEM_BKPT; sqlite3ResetAllSchemasOfConnection(db); } - if( rc==SQLITE_OK || (db->flags&SQLITE_RecoveryMode)){ - /* Black magic: If the SQLITE_RecoveryMode flag is set, then consider + if( rc==SQLITE_OK || (db->flags&SQLITE_WriteSchema)){ + /* Black magic: If the SQLITE_WriteSchema flag is set, then consider ** the schema loaded, even if errors occurred. In this situation the ** current sqlite3_prepare() operation will fail, but the following one ** will attempt to compile the supplied statement against whatever subset ** of the schema was loaded before the error occurred. The primary ** purpose of this is to allow access to the sqlite_master table ** even when its contents have been corrupted. */ DbSetProperty(db, iDb, DB_SchemaLoaded); @@ -116174,33 +117035,41 @@ SQLITE_PRIVATE void sqlite3ParserReset(P /* ** Compile the UTF-8 encoded SQL statement zSql into a statement handle. */ static int sqlite3Prepare( sqlite3 *db, /* Database handle. */ const char *zSql, /* UTF-8 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ - int saveSqlFlag, /* True to copy SQL text into the sqlite3_stmt */ + u32 prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ Vdbe *pReprepare, /* VM being reprepared */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ char *zErrMsg = 0; /* Error message */ int rc = SQLITE_OK; /* Result code */ int i; /* Loop counter */ Parse sParse; /* Parsing context */ memset(&sParse, 0, PARSE_HDR_SZ); memset(PARSE_TAIL(&sParse), 0, PARSE_TAIL_SZ); sParse.pReprepare = pReprepare; assert( ppStmt && *ppStmt==0 ); /* assert( !db->mallocFailed ); // not true with SQLITE_USE_ALLOCA */ assert( sqlite3_mutex_held(db->mutex) ); + /* For a long-term use prepared statement avoid the use of + ** lookaside memory. + */ + if( prepFlags & SQLITE_PREPARE_PERSISTENT ){ + sParse.disableLookaside++; + db->lookaside.bDisable++; + } + /* Check to verify that it is possible to get a read lock on all ** database schemas. The inability to get a read lock indicates that ** some other database connection is holding a write-lock, which in ** turn means that the other connection has made uncommitted changes ** to the schema. ** ** Were we to proceed and prepare the statement against the uncommitted ** schema changes and if those schema changes are subsequently rolled @@ -116222,17 +117091,17 @@ static int sqlite3Prepare( for(i=0; i<db->nDb; i++) { Btree *pBt = db->aDb[i].pBt; if( pBt ){ assert( sqlite3BtreeHoldsMutex(pBt) ); rc = sqlite3BtreeSchemaLocked(pBt); if( rc ){ const char *zDb = db->aDb[i].zDbSName; sqlite3ErrorWithMsg(db, rc, "database schema is locked: %s", zDb); - testcase( db->flags & SQLITE_ReadUncommitted ); + testcase( db->flags & SQLITE_ReadUncommit ); goto end_prepare; } } } sqlite3VtabUnlockList(db); sParse.db = db; @@ -116290,18 +117159,17 @@ static int sqlite3Prepare( for(i=iFirst; i<mx; i++){ sqlite3VdbeSetColName(sParse.pVdbe, i-iFirst, COLNAME_NAME, azColName[i], SQLITE_STATIC); } } #endif if( db->init.busy==0 ){ - Vdbe *pVdbe = sParse.pVdbe; - sqlite3VdbeSetSql(pVdbe, zSql, (int)(sParse.zTail-zSql), saveSqlFlag); + sqlite3VdbeSetSql(sParse.pVdbe, zSql, (int)(sParse.zTail-zSql), prepFlags); } if( sParse.pVdbe && (rc!=SQLITE_OK || db->mallocFailed) ){ sqlite3VdbeFinalize(sParse.pVdbe); assert(!(*ppStmt)); }else{ *ppStmt = (sqlite3_stmt*)sParse.pVdbe; } @@ -116325,36 +117193,36 @@ end_prepare: rc = sqlite3ApiExit(db, rc); assert( (rc&db->errMask)==rc ); return rc; } static int sqlite3LockAndPrepare( sqlite3 *db, /* Database handle. */ const char *zSql, /* UTF-8 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ - int saveSqlFlag, /* True to copy SQL text into the sqlite3_stmt */ + u32 prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ Vdbe *pOld, /* VM being reprepared */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ int rc; #ifdef SQLITE_ENABLE_API_ARMOR if( ppStmt==0 ) return SQLITE_MISUSE_BKPT; #endif *ppStmt = 0; if( !sqlite3SafetyCheckOk(db)||zSql==0 ){ return SQLITE_MISUSE_BKPT; } sqlite3_mutex_enter(db->mutex); sqlite3BtreeEnterAll(db); - rc = sqlite3Prepare(db, zSql, nBytes, saveSqlFlag, pOld, ppStmt, pzTail); + rc = sqlite3Prepare(db, zSql, nBytes, prepFlags, pOld, ppStmt, pzTail); if( rc==SQLITE_SCHEMA ){ sqlite3_finalize(*ppStmt); - rc = sqlite3Prepare(db, zSql, nBytes, saveSqlFlag, pOld, ppStmt, pzTail); + rc = sqlite3Prepare(db, zSql, nBytes, prepFlags, pOld, ppStmt, pzTail); } sqlite3BtreeLeaveAll(db); sqlite3_mutex_leave(db->mutex); assert( rc==SQLITE_OK || *ppStmt==0 ); return rc; } /* @@ -116365,23 +117233,25 @@ static int sqlite3LockAndPrepare( ** locked the sqlite3_master table, return SQLITE_LOCKED. If any other error ** occurs, return SQLITE_SCHEMA. */ SQLITE_PRIVATE int sqlite3Reprepare(Vdbe *p){ int rc; sqlite3_stmt *pNew; const char *zSql; sqlite3 *db; + u8 prepFlags; assert( sqlite3_mutex_held(sqlite3VdbeDb(p)->mutex) ); zSql = sqlite3_sql((sqlite3_stmt *)p); assert( zSql!=0 ); /* Reprepare only called for prepare_v2() statements */ db = sqlite3VdbeDb(p); assert( sqlite3_mutex_held(db->mutex) ); - rc = sqlite3LockAndPrepare(db, zSql, -1, 0, p, &pNew, 0); + prepFlags = sqlite3VdbePrepareFlags(p); + rc = sqlite3LockAndPrepare(db, zSql, -1, prepFlags, p, &pNew, 0); if( rc ){ if( rc==SQLITE_NOMEM ){ sqlite3OomFault(db); } assert( pNew==0 ); return rc; }else{ assert( pNew!=0 ); @@ -116417,31 +117287,59 @@ SQLITE_API int sqlite3_prepare( SQLITE_API int sqlite3_prepare_v2( sqlite3 *db, /* Database handle. */ const char *zSql, /* UTF-8 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ int rc; - rc = sqlite3LockAndPrepare(db,zSql,nBytes,1,0,ppStmt,pzTail); - assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); /* VERIFY: F13021 */ + /* EVIDENCE-OF: R-37923-12173 The sqlite3_prepare_v2() interface works + ** exactly the same as sqlite3_prepare_v3() with a zero prepFlags + ** parameter. + ** + ** Proof in that the 5th parameter to sqlite3LockAndPrepare is 0 */ + rc = sqlite3LockAndPrepare(db,zSql,nBytes,SQLITE_PREPARE_SAVESQL,0, + ppStmt,pzTail); + assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); + return rc; +} +SQLITE_API int sqlite3_prepare_v3( + sqlite3 *db, /* Database handle. */ + const char *zSql, /* UTF-8 encoded SQL statement. */ + int nBytes, /* Length of zSql in bytes. */ + unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ + sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ + const char **pzTail /* OUT: End of parsed string */ +){ + int rc; + /* EVIDENCE-OF: R-56861-42673 sqlite3_prepare_v3() differs from + ** sqlite3_prepare_v2() only in having the extra prepFlags parameter, + ** which is a bit array consisting of zero or more of the + ** SQLITE_PREPARE_* flags. + ** + ** Proof by comparison to the implementation of sqlite3_prepare_v2() + ** directly above. */ + rc = sqlite3LockAndPrepare(db,zSql,nBytes, + SQLITE_PREPARE_SAVESQL|(prepFlags&SQLITE_PREPARE_MASK), + 0,ppStmt,pzTail); + assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); return rc; } #ifndef SQLITE_OMIT_UTF16 /* ** Compile the UTF-16 encoded SQL statement zSql into a statement handle. */ static int sqlite3Prepare16( sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ - int saveSqlFlag, /* True to save SQL text into the sqlite3_stmt */ + u32 prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const void **pzTail /* OUT: End of parsed string */ ){ /* This function currently works by first transforming the UTF-16 ** encoded string to UTF-8, then invoking sqlite3_prepare(). The ** tricky bit is figuring out the pointer to return in *pzTail. */ char *zSql8; @@ -116459,17 +117357,17 @@ static int sqlite3Prepare16( int sz; const char *z = (const char*)zSql; for(sz=0; sz<nBytes && (z[sz]!=0 || z[sz+1]!=0); sz += 2){} nBytes = sz; } sqlite3_mutex_enter(db->mutex); zSql8 = sqlite3Utf16to8(db, zSql, nBytes, SQLITE_UTF16NATIVE); if( zSql8 ){ - rc = sqlite3LockAndPrepare(db, zSql8, -1, saveSqlFlag, 0, ppStmt, &zTail8); + rc = sqlite3LockAndPrepare(db, zSql8, -1, prepFlags, 0, ppStmt, &zTail8); } if( zTail8 && pzTail ){ /* If sqlite3_prepare returns a tail pointer, we calculate the ** equivalent pointer into the UTF-16 string by counting the unicode ** characters between zSql8 and zTail8, and then returning a pointer ** the same number of characters into the UTF-16 string. */ @@ -116505,17 +117403,32 @@ SQLITE_API int sqlite3_prepare16( SQLITE_API int sqlite3_prepare16_v2( sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const void **pzTail /* OUT: End of parsed string */ ){ int rc; - rc = sqlite3Prepare16(db,zSql,nBytes,1,ppStmt,pzTail); + rc = sqlite3Prepare16(db,zSql,nBytes,SQLITE_PREPARE_SAVESQL,ppStmt,pzTail); + assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); /* VERIFY: F13021 */ + return rc; +} +SQLITE_API int sqlite3_prepare16_v3( + sqlite3 *db, /* Database handle. */ + const void *zSql, /* UTF-16 encoded SQL statement. */ + int nBytes, /* Length of zSql in bytes. */ + unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ + sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ + const void **pzTail /* OUT: End of parsed string */ +){ + int rc; + rc = sqlite3Prepare16(db,zSql,nBytes, + SQLITE_PREPARE_SAVESQL|(prepFlags&SQLITE_PREPARE_MASK), + ppStmt,pzTail); assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); /* VERIFY: F13021 */ return rc; } #endif /* SQLITE_OMIT_UTF16 */ /************** End of prepare.c *********************************************/ /************** Begin file select.c ******************************************/ @@ -117547,17 +118460,17 @@ static void selectInnerLoop( } } /* ** Allocate a KeyInfo object sufficient for an index of N key columns and ** X extra columns. */ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){ - int nExtra = (N+X)*(sizeof(CollSeq*)+1); + int nExtra = (N+X)*(sizeof(CollSeq*)+1) - sizeof(CollSeq*); KeyInfo *p = sqlite3DbMallocRawNN(db, sizeof(KeyInfo) + nExtra); if( p ){ p->aSortOrder = (u8*)&p->aColl[N+X]; p->nField = (u16)N; p->nXField = (u16)X; p->enc = ENC(db); p->db = db; p->nRef = 1; @@ -117954,23 +118867,20 @@ static const char *columnTypeImpl( } assert( pTab && pExpr->pTab==pTab ); if( pS ){ /* The "table" is actually a sub-select or a view in the FROM clause ** of the SELECT statement. Return the declaration type and origin ** data for the result-set column of the sub-select. */ - if( iCol>=0 && ALWAYS(iCol<pS->pEList->nExpr) ){ + if( iCol>=0 && iCol<pS->pEList->nExpr ){ /* If iCol is less than zero, then the expression requests the ** rowid of the sub-select or view. This expression is legal (see ** test case misc2.2.2) - it always evaluates to NULL. - ** - ** The ALWAYS() is because iCol>=pS->pEList->nExpr will have been - ** caught already by name resolution. */ NameContext sNC; Expr *p = pS->pEList->a[iCol].pExpr; sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; zType = columnType(&sNC, p,&zOrigDb,&zOrigTab,&zOrigCol, &estWidth); } @@ -118070,82 +118980,99 @@ static void generateColumnTypes( #else zType = columnType(&sNC, p, 0, 0, 0, 0); #endif sqlite3VdbeSetColName(v, i, COLNAME_DECLTYPE, zType, SQLITE_TRANSIENT); } #endif /* !defined(SQLITE_OMIT_DECLTYPE) */ } -/* -** Return the Table objecct in the SrcList that has cursor iCursor. -** Or return NULL if no such Table object exists in the SrcList. -*/ -static Table *tableWithCursor(SrcList *pList, int iCursor){ - int j; - for(j=0; j<pList->nSrc; j++){ - if( pList->a[j].iCursor==iCursor ) return pList->a[j].pTab; - } - return 0; -} - - -/* -** Generate code that will tell the VDBE the names of columns -** in the result set. This information is used to provide the -** azCol[] values in the callback. + +/* +** Compute the column names for a SELECT statement. +** +** The only guarantee that SQLite makes about column names is that if the +** column has an AS clause assigning it a name, that will be the name used. +** That is the only documented guarantee. However, countless applications +** developed over the years have made baseless assumptions about column names +** and will break if those assumptions changes. Hence, use extreme caution +** when modifying this routine to avoid breaking legacy. +** +** See Also: sqlite3ColumnsFromExprList() +** +** The PRAGMA short_column_names and PRAGMA full_column_names settings are +** deprecated. The default setting is short=ON, full=OFF. 99.9% of all +** applications should operate this way. Nevertheless, we need to support the +** other modes for legacy: +** +** short=OFF, full=OFF: Column name is the text of the expression has it +** originally appears in the SELECT statement. In +** other words, the zSpan of the result expression. +** +** short=ON, full=OFF: (This is the default setting). If the result +** refers directly to a table column, then the result +** column name is just the table column name: COLUMN. +** Otherwise use zSpan. +** +** full=ON, short=ANY: If the result refers directly to a table column, +** then the result column name with the table name +** prefix, ex: TABLE.COLUMN. Otherwise use zSpan. */ static void generateColumnNames( Parse *pParse, /* Parser context */ - SrcList *pTabList, /* List of tables */ - ExprList *pEList /* Expressions defining the result set */ + Select *pSelect /* Generate column names for this SELECT statement */ ){ Vdbe *v = pParse->pVdbe; int i; Table *pTab; + SrcList *pTabList; + ExprList *pEList; sqlite3 *db = pParse->db; - int fullNames, shortNames; + int fullName; /* TABLE.COLUMN if no AS clause and is a direct table ref */ + int srcName; /* COLUMN or TABLE.COLUMN if no AS clause and is direct */ #ifndef SQLITE_OMIT_EXPLAIN /* If this is an EXPLAIN, skip this step */ if( pParse->explain ){ return; } #endif if( pParse->colNamesSet || db->mallocFailed ) return; + /* Column names are determined by the left-most term of a compound select */ + while( pSelect->pPrior ) pSelect = pSelect->pPrior; + pTabList = pSelect->pSrc; + pEList = pSelect->pEList; assert( v!=0 ); assert( pTabList!=0 ); pParse->colNamesSet = 1; - fullNames = (db->flags & SQLITE_FullColNames)!=0; - shortNames = (db->flags & SQLITE_ShortColNames)!=0; + fullName = (db->flags & SQLITE_FullColNames)!=0; + srcName = (db->flags & SQLITE_ShortColNames)!=0 || fullName; sqlite3VdbeSetNumCols(v, pEList->nExpr); for(i=0; i<pEList->nExpr; i++){ - Expr *p; - p = pEList->a[i].pExpr; - if( NEVER(p==0) ) continue; + Expr *p = pEList->a[i].pExpr; + + assert( p!=0 ); if( pEList->a[i].zName ){ + /* An AS clause always takes first priority */ char *zName = pEList->a[i].zName; sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_TRANSIENT); - }else if( (p->op==TK_COLUMN || p->op==TK_AGG_COLUMN) - && (pTab = tableWithCursor(pTabList, p->iTable))!=0 - ){ + }else if( srcName && p->op==TK_COLUMN ){ char *zCol; int iCol = p->iColumn; + pTab = p->pTab; + assert( pTab!=0 ); if( iCol<0 ) iCol = pTab->iPKey; assert( iCol==-1 || (iCol>=0 && iCol<pTab->nCol) ); if( iCol<0 ){ zCol = "rowid"; }else{ zCol = pTab->aCol[iCol].zName; } - if( !shortNames && !fullNames ){ - sqlite3VdbeSetColName(v, i, COLNAME_NAME, - sqlite3DbStrDup(db, pEList->a[i].zSpan), SQLITE_DYNAMIC); - }else if( fullNames ){ + if( fullName ){ char *zName = 0; zName = sqlite3MPrintf(db, "%s.%s", pTab->zName, zCol); sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_DYNAMIC); }else{ sqlite3VdbeSetColName(v, i, COLNAME_NAME, zCol, SQLITE_TRANSIENT); } }else{ const char *z = pEList->a[i].zSpan; @@ -118163,29 +119090,37 @@ static void generateColumnNames( ** ** All column names will be unique. ** ** Only the column names are computed. Column.zType, Column.zColl, ** and other fields of Column are zeroed. ** ** Return SQLITE_OK on success. If a memory allocation error occurs, ** store NULL in *paCol and 0 in *pnCol and return SQLITE_NOMEM. +** +** The only guarantee that SQLite makes about column names is that if the +** column has an AS clause assigning it a name, that will be the name used. +** That is the only documented guarantee. However, countless applications +** developed over the years have made baseless assumptions about column names +** and will break if those assumptions changes. Hence, use extreme caution +** when modifying this routine to avoid breaking legacy. +** +** See Also: generateColumnNames() */ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( Parse *pParse, /* Parsing context */ ExprList *pEList, /* Expr list from which to derive column names */ i16 *pnCol, /* Write the number of columns here */ Column **paCol /* Write the new column list here */ ){ sqlite3 *db = pParse->db; /* Database connection */ int i, j; /* Loop counters */ u32 cnt; /* Index added to make the name unique */ Column *aCol, *pCol; /* For looping over result columns */ int nCol; /* Number of columns in the result set */ - Expr *p; /* Expression for a single result column */ char *zName; /* Column name */ int nName; /* Size of name in zName[] */ Hash ht; /* Hash table of column names */ sqlite3HashInit(&ht); if( pEList ){ nCol = pEList->nExpr; aCol = sqlite3DbMallocZero(db, sizeof(aCol[0])*nCol); @@ -118196,41 +119131,43 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExp } assert( nCol==(i16)nCol ); *pnCol = nCol; *paCol = aCol; for(i=0, pCol=aCol; i<nCol && !db->mallocFailed; i++, pCol++){ /* Get an appropriate name for the column */ - p = sqlite3ExprSkipCollate(pEList->a[i].pExpr); if( (zName = pEList->a[i].zName)!=0 ){ /* If the column contains an "AS <name>" phrase, use <name> as the name */ }else{ - Expr *pColExpr = p; /* The expression that is the result column name */ - Table *pTab; /* Table associated with this expression */ + Expr *pColExpr = sqlite3ExprSkipCollate(pEList->a[i].pExpr); while( pColExpr->op==TK_DOT ){ pColExpr = pColExpr->pRight; assert( pColExpr!=0 ); } if( pColExpr->op==TK_COLUMN && pColExpr->pTab!=0 ){ /* For columns use the column name name */ int iCol = pColExpr->iColumn; - pTab = pColExpr->pTab; + Table *pTab = pColExpr->pTab; if( iCol<0 ) iCol = pTab->iPKey; zName = iCol>=0 ? pTab->aCol[iCol].zName : "rowid"; }else if( pColExpr->op==TK_ID ){ assert( !ExprHasProperty(pColExpr, EP_IntValue) ); zName = pColExpr->u.zToken; }else{ /* Use the original text of the column expression as its name */ zName = pEList->a[i].zSpan; } } - zName = sqlite3MPrintf(db, "%s", zName); + if( zName ){ + zName = sqlite3DbStrDup(db, zName); + }else{ + zName = sqlite3MPrintf(db,"column%d",i+1); + } /* Make sure the column name is unique. If the name is not unique, ** append an integer to the name so that it becomes unique. */ cnt = 0; while( zName && sqlite3HashFind(&ht, zName)!=0 ){ nName = sqlite3Strlen30(zName); if( nName>0 ){ @@ -118949,21 +119886,16 @@ static int multiSelect( /* Convert the data in the temporary table into whatever form ** it is that we currently need. */ assert( unionTab==dest.iSDParm || dest.eDest!=priorOp ); if( dest.eDest!=priorOp ){ int iCont, iBreak, iStart; assert( p->pEList ); - if( dest.eDest==SRT_Output ){ - Select *pFirst = p; - while( pFirst->pPrior ) pFirst = pFirst->pPrior; - generateColumnNames(pParse, pFirst->pSrc, pFirst->pEList); - } iBreak = sqlite3VdbeMakeLabel(v); iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, unionTab, iBreak); VdbeCoverage(v); iStart = sqlite3VdbeCurrentAddr(v); selectInnerLoop(pParse, p, p->pEList, unionTab, 0, 0, &dest, iCont, iBreak); sqlite3VdbeResolveLabel(v, iCont); @@ -119024,21 +119956,16 @@ static int multiSelect( sqlite3ExprDelete(db, p->pLimit); p->pLimit = pLimit; p->pOffset = pOffset; /* Generate code to take the intersection of the two temporary ** tables. */ assert( p->pEList ); - if( dest.eDest==SRT_Output ){ - Select *pFirst = p; - while( pFirst->pPrior ) pFirst = pFirst->pPrior; - generateColumnNames(pParse, pFirst->pSrc, pFirst->pEList); - } iBreak = sqlite3VdbeMakeLabel(v); iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); VdbeCoverage(v); r1 = sqlite3GetTempReg(pParse); iStart = sqlite3VdbeAddOp2(v, OP_RowData, tab1, r1); sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0); VdbeCoverage(v); sqlite3ReleaseTempReg(pParse, r1); @@ -119636,24 +120563,16 @@ static int multiSelectOrderBy( (char*)pKeyMerge, P4_KEYINFO); sqlite3VdbeChangeP5(v, OPFLAG_PERMUTE); sqlite3VdbeAddOp3(v, OP_Jump, addrAltB, addrAeqB, addrAgtB); VdbeCoverage(v); /* Jump to the this point in order to terminate the query. */ sqlite3VdbeResolveLabel(v, labelEnd); - /* Set the number of output columns - */ - if( pDest->eDest==SRT_Output ){ - Select *pFirst = pPrior; - while( pFirst->pPrior ) pFirst = pFirst->pPrior; - generateColumnNames(pParse, pFirst->pSrc, pFirst->pEList); - } - /* Reassembly the compound query so that it will be freed correctly ** by the calling function */ if( p->pPrior ){ sqlite3SelectDelete(db, p->pPrior); } p->pPrior = pPrior; pPrior->pNext = p; @@ -119721,19 +120640,22 @@ static Expr *substExpr( if( pSubst->isLeftJoin && pCopy->op!=TK_COLUMN ){ memset(&ifNullRow, 0, sizeof(ifNullRow)); ifNullRow.op = TK_IF_NULL_ROW; ifNullRow.pLeft = pCopy; ifNullRow.iTable = pSubst->iNewTable; pCopy = &ifNullRow; } pNew = sqlite3ExprDup(db, pCopy, 0); - if( pNew && (pExpr->flags & EP_FromJoin) ){ + if( pNew && pSubst->isLeftJoin ){ + ExprSetProperty(pNew, EP_CanBeNull); + } + if( pNew && ExprHasProperty(pExpr,EP_FromJoin) ){ pNew->iRightJoinTable = pExpr->iRightJoinTable; - pNew->flags |= EP_FromJoin; + ExprSetProperty(pNew, EP_FromJoin); } sqlite3ExprDelete(db, pExpr); pExpr = pNew; } } }else{ if( pExpr->op==TK_IF_NULL_ROW && pExpr->iTable==pSubst->iTable ){ pExpr->iTable = pSubst->iNewTable; @@ -119817,18 +120739,19 @@ static void substSelect( ** (1) The subquery and the outer query do not both use aggregates. ** ** (2) The subquery is not an aggregate or (2a) the outer query is not a join ** and (2b) the outer query does not use subqueries other than the one ** FROM-clause subquery that is a candidate for flattening. (2b is ** due to ticket [2f7170d73bf9abf80] from 2015-02-09.) ** ** (3) The subquery is not the right operand of a LEFT JOIN -** or the subquery is not itself a join and the outer query is not -** an aggregate. +** or (a) the subquery is not itself a join and (b) the FROM clause +** of the subquery does not contain a virtual table and (c) the +** outer query is not an aggregate. ** ** (4) The subquery is not DISTINCT. ** ** (**) At one point restrictions (4) and (5) defined a subset of DISTINCT ** sub-queries that were excluded from this optimization. Restriction ** (4) has since been expanded to exclude all DISTINCT subqueries. ** ** (6) The subquery does not use aggregates or the outer query is not @@ -119934,17 +120857,16 @@ static int flattenSubquery( int subqueryIsAgg /* True if the subquery uses aggregate functions */ ){ const char *zSavedAuthContext = pParse->zAuthContext; Select *pParent; /* Current UNION ALL term of the other query */ Select *pSub; /* The inner query or "subquery" */ Select *pSub1; /* Pointer to the rightmost select in sub-query */ SrcList *pSrc; /* The FROM clause of the outer query */ SrcList *pSubSrc; /* The FROM clause of the subquery */ - ExprList *pList; /* The result set of the outer query */ int iParent; /* VDBE cursor number of the pSub result set temp table */ int iNewParent = -1;/* Replacement table for iParent */ int isLeftJoin = 0; /* True if pSub is the right side of a LEFT JOIN */ int i; /* Loop counter */ Expr *pWhere; /* The WHERE clause */ struct SrcList_item *pSubitem; /* The subquery */ sqlite3 *db = pParse->db; @@ -120016,24 +120938,24 @@ static int flattenSubquery( ** If we flatten the above, we would get ** ** (t1 LEFT OUTER JOIN t2) JOIN t3 ** ** which is not at all the same thing. ** ** If the subquery is the right operand of a LEFT JOIN, then the outer ** query cannot be an aggregate. This is an artifact of the way aggregates - ** are processed - there is not mechanism to determine if the LEFT JOIN + ** are processed - there is no mechanism to determine if the LEFT JOIN ** table should be all-NULL. ** ** See also tickets #306, #350, and #3300. */ if( (pSubitem->fg.jointype & JT_OUTER)!=0 ){ isLeftJoin = 1; - if( pSubSrc->nSrc>1 || isAgg ){ + if( pSubSrc->nSrc>1 || isAgg || IsVirtual(pSubSrc->a[0].pTab) ){ return 0; /* Restriction (3) */ } } #ifdef SQLITE_EXTRA_IFNULLROW else if( iFrom>0 && !isAgg ){ /* Setting isLeftJoin to -1 causes OP_IfNullRow opcodes to be generated for ** every reference to any result column from subquery in a join, even though ** they are not necessary. This will stress-test the OP_IfNullRow opcode. */ @@ -120259,24 +121181,16 @@ static int flattenSubquery( ** ** SELECT a+5, b*10 FROM (SELECT x*3 AS a, y+10 AS b FROM t1) WHERE a>b; ** \ \_____________ subquery __________/ / ** \_____________________ outer query ______________________________/ ** ** We look at every expression in the outer query and every place we see ** "a" we substitute "x*3" and every place we see "b" we substitute "y+10". */ - pList = pParent->pEList; - for(i=0; i<pList->nExpr; i++){ - if( pList->a[i].zName==0 ){ - char *zName = sqlite3DbStrDup(db, pList->a[i].zSpan); - sqlite3Dequote(zName); - pList->a[i].zName = zName; - } - } if( pSub->pOrderBy ){ /* At this point, any non-zero iOrderByCol values indicate that the ** ORDER BY column expression is identical to the iOrderByCol'th ** expression returned by SELECT statement pSub. Since these values ** do not necessarily correspond to columns in SELECT statement pParent, ** zero them before transfering the ORDER BY clause. ** ** Not doing this may cause an error if a subsequent call to this @@ -121127,35 +122041,54 @@ static int selectExpander(Walker *pWalke ** subquery in the parser tree. */ SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){ UNUSED_PARAMETER2(NotUsed, NotUsed2); return WRC_Continue; } /* +** No-op routine for the parse-tree walker for SELECT statements. +** subquery in the parser tree. +*/ +SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker *NotUsed, Select *NotUsed2){ + UNUSED_PARAMETER2(NotUsed, NotUsed2); + return WRC_Continue; +} + +#if SQLITE_DEBUG +/* +** Always assert. This xSelectCallback2 implementation proves that the +** xSelectCallback2 is never invoked. +*/ +SQLITE_PRIVATE void sqlite3SelectWalkAssert2(Walker *NotUsed, Select *NotUsed2){ + UNUSED_PARAMETER2(NotUsed, NotUsed2); + assert( 0 ); +} +#endif +/* ** This routine "expands" a SELECT statement and all of its subqueries. ** For additional information on what it means to "expand" a SELECT ** statement, see the comment on the selectExpand worker callback above. ** ** Expanding a SELECT statement is the first step in processing a ** SELECT statement. The SELECT statement must be expanded before ** name resolution is performed. ** ** If anything goes wrong, an error message is written into pParse. ** The calling function can detect the problem by looking at pParse->nErr ** and/or pParse->db->mallocFailed. */ static void sqlite3SelectExpand(Parse *pParse, Select *pSelect){ Walker w; - memset(&w, 0, sizeof(w)); w.xExprCallback = sqlite3ExprWalkNoop; w.pParse = pParse; if( pParse->hasCompound ){ w.xSelectCallback = convertCompoundSelectToSubquery; + w.xSelectCallback2 = 0; sqlite3WalkSelect(&w, pSelect); } w.xSelectCallback = selectExpander; w.xSelectCallback2 = selectPopWith; sqlite3WalkSelect(&w, pSelect); } @@ -121205,17 +122138,17 @@ static void selectAddSubqueryTypeInfo(Wa ** the Table structures of all FROM-clause subqueries in a ** SELECT statement. ** ** Use this routine after name resolution. */ static void sqlite3SelectAddTypeInfo(Parse *pParse, Select *pSelect){ #ifndef SQLITE_OMIT_SUBQUERY Walker w; - memset(&w, 0, sizeof(w)); + w.xSelectCallback = sqlite3SelectWalkNoop; w.xSelectCallback2 = selectAddSubqueryTypeInfo; w.xExprCallback = sqlite3ExprWalkNoop; w.pParse = pParse; sqlite3WalkSelect(&w, pSelect); #endif } @@ -121499,26 +122432,110 @@ static struct SrcList_item *isSelfJoinVi ){ struct SrcList_item *pItem; for(pItem = pTabList->a; pItem<pThis; pItem++){ if( pItem->pSelect==0 ) continue; if( pItem->fg.viaCoroutine ) continue; if( pItem->zName==0 ) continue; if( sqlite3_stricmp(pItem->zDatabase, pThis->zDatabase)!=0 ) continue; if( sqlite3_stricmp(pItem->zName, pThis->zName)!=0 ) continue; - if( sqlite3ExprCompare(pThis->pSelect->pWhere, pItem->pSelect->pWhere, -1) ){ + if( sqlite3ExprCompare(0, + pThis->pSelect->pWhere, pItem->pSelect->pWhere, -1) + ){ /* The view was modified by some other optimization such as ** pushDownWhereTerms() */ continue; } return pItem; } return 0; } +#ifdef SQLITE_COUNTOFVIEW_OPTIMIZATION +/* +** Attempt to transform a query of the form +** +** SELECT count(*) FROM (SELECT x FROM t1 UNION ALL SELECT y FROM t2) +** +** Into this: +** +** SELECT (SELECT count(*) FROM t1)+(SELECT count(*) FROM t2) +** +** The transformation only works if all of the following are true: +** +** * The subquery is a UNION ALL of two or more terms +** * There is no WHERE or GROUP BY or HAVING clauses on the subqueries +** * The outer query is a simple count(*) +** +** Return TRUE if the optimization is undertaken. +*/ +static int countOfViewOptimization(Parse *pParse, Select *p){ + Select *pSub, *pPrior; + Expr *pExpr; + Expr *pCount;