178 lines
7.6 KiB
HTML
178 lines
7.6 KiB
HTML
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<!DOCTYPE html>
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<html><head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link href="../sqlite.css" rel="stylesheet">
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<title>SQLite Release 3.42.0 On 2023-05-16</title>
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<!-- path=../ -->
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</head>
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<body>
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<div class=nosearch>
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<a href="../index.html">
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<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0">
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</a>
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<div><!-- IE hack to prevent disappearing logo --></div>
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<div class="tagline desktoponly">
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Small. Fast. Reliable.<br>Choose any three.
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</div>
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<div class="menu mainmenu">
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<ul>
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<li><a href="../index.html">Home</a>
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<li class='mobileonly'><a href="javascript:void(0)" onclick='toggle_div("submenu")'>Menu</a>
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<li class='wideonly'><a href='../about.html'>About</a>
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<li class='desktoponly'><a href="../docs.html">Documentation</a>
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<li class='desktoponly'><a href="../download.html">Download</a>
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<li class='wideonly'><a href='../copyright.html'>License</a>
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<li class='desktoponly'><a href="../support.html">Support</a>
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<li class='desktoponly'><a href="../prosupport.html">Purchase</a>
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<li class='search' id='search_menubutton'>
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<a href="javascript:void(0)" onclick='toggle_search()'>Search</a>
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</ul>
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</div>
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<div class="menu submenu" id="submenu">
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<ul>
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<li><a href='../about.html'>About</a>
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<li><a href='../docs.html'>Documentation</a>
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<li><a href='../download.html'>Download</a>
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<li><a href='../support.html'>Support</a>
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<li><a href='../prosupport.html'>Purchase</a>
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</ul>
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</div>
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<div class="searchmenu" id="searchmenu">
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<form method="GET" action="../search">
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<select name="s" id="searchtype">
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<option value="d">Search Documentation</option>
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<option value="c">Search Changelog</option>
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</select>
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<input type="text" name="q" id="searchbox" value="">
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<input type="submit" value="Go">
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</form>
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</div>
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</div>
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<script>
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function toggle_div(nm) {
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var w = document.getElementById(nm);
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if( w.style.display=="block" ){
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w.style.display = "none";
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}else{
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w.style.display = "block";
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}
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}
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function toggle_search() {
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var w = document.getElementById("searchmenu");
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if( w.style.display=="block" ){
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w.style.display = "none";
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} else {
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w.style.display = "block";
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setTimeout(function(){
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document.getElementById("searchbox").focus()
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}, 30);
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}
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}
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function div_off(nm){document.getElementById(nm).style.display="none";}
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window.onbeforeunload = function(e){div_off("submenu");}
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/* Disable the Search feature if we are not operating from CGI, since */
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/* Search is accomplished using CGI and will not work without it. */
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if( !location.origin || !location.origin.match || !location.origin.match(/http/) ){
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document.getElementById("search_menubutton").style.display = "none";
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}
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/* Used by the Hide/Show button beside syntax diagrams, to toggle the */
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function hideorshow(btn,obj){
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var x = document.getElementById(obj);
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var b = document.getElementById(btn);
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if( x.style.display!='none' ){
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x.style.display = 'none';
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b.innerHTML='show';
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}else{
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x.style.display = '';
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b.innerHTML='hide';
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}
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return false;
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}
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var antiRobot = 0;
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function antiRobotGo(){
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if( antiRobot!=3 ) return;
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antiRobot = 7;
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var j = document.getElementById("mtimelink");
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if(j && j.hasAttribute("data-href")) j.href=j.getAttribute("data-href");
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}
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function antiRobotDefense(){
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document.body.onmousedown=function(){
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antiRobot |= 2;
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antiRobotGo();
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document.body.onmousedown=null;
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}
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document.body.onmousemove=function(){
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antiRobot |= 2;
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antiRobotGo();
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document.body.onmousemove=null;
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}
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setTimeout(function(){
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antiRobot |= 1;
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antiRobotGo();
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}, 100)
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antiRobotGo();
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}
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antiRobotDefense();
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</script>
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<h2>SQLite Release 3.42.0 On 2023-05-16</h2><p><ol class='lessindent'>
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<li> Add the <a href="../fts5.html#the_secure_delete_configuration_option">FTS5 secure-delete command</a>. This option causes all forensic traces
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to be removed from the FTS5 inverted index when content is deleted.
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<li> Enhance the <a href="../json1.html">JSON SQL functions</a> to support <a href="../json1.html#json5">JSON5 extensions</a>.
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<li> The <a href="../c3ref/c_config_covering_index_scan.html#sqliteconfiglog">SQLITE_CONFIG_LOG</a> and <a href="../c3ref/c_config_covering_index_scan.html#sqliteconfigpcachehdrsz">SQLITE_CONFIG_PCACHE_HDRSZ</a> calls to <a href="../c3ref/config.html">sqlite3_config()</a>
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are now allowed to occur <i>after</i> <a href="../c3ref/initialize.html">sqlite3_initialize()</a>.
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<li> New <a href="../c3ref/db_config.html">sqlite3_db_config()</a> options: <a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfigstmtscanstatus">SQLITE_DBCONFIG_STMT_SCANSTATUS</a> and
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<a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfigreversescanorder">SQLITE_DBCONFIG_REVERSE_SCANORDER</a>.
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<li> Query planner improvements:
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<ol type="a">
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<li> Enable the "count-of-view" optimization by default.
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<li> Avoid computing unused columns in subqueries.
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<li> Improvements to the <a href="../optoverview.html#pushdown">push-down optimization</a>.
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</ol>
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<li> Enhancements to the <a href="../cli.html">CLI</a>:
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<ol type="a">
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<li> Add the --unsafe-testing command-line option. Without this option, some
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dot-commands (ex: ".testctrl") are now disabled because those commands
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that are intended for testing only and can cause malfunctions if misused.
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<li> Allow commands ".log on" and ".log off", even in --safe mode.
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<li> "--" as a command-line argument means all subsequent arguments that
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start with "-" are interpreted as normal non-option argument.
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<li> Magic parameters ":inf" and ":nan" bind to floating point literals
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Infinity and NaN, respectively.
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<li> The --utf8 command-line option omits all translation to or from
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MBCS on the Windows console for interactive sessions, and sets
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the console code page for UTF-8 I/O during such sessions.
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The --utf8 option is a no-op on all other platforms.
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</ol>
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<li> Add the ability for <a href="../appfunc.html">application-defined SQL functions</a> to have the same name
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as join keywords: CROSS, FULL, INNER, LEFT, NATURAL, OUTER, or RIGHT.
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<li> Enhancements to <a href="../pragma.html#pragma_integrity_check">PRAGMA integrity_check</a>:
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<ol type="a">
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<li> Detect and raise an error when a NaN value is stored in a NOT NULL column.
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<li> Improved error message output identifies the root page of a b-tree when
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an error is found within a b-tree.
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</ol>
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<li> Allow the <a href="../sessionintro.html">session extension</a> to be configured to capture changes from
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tables that lack an explicit ROWID.
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<li> Added the <a href="../lang_datefunc.html#subsec">subsecond modifier</a> to the <a href="../lang_datefunc.html">date and time functions</a>.
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<li> Negative values passed into <a href="../c3ref/sleep.html">sqlite3_sleep()</a> are henceforth interpreted as 0.
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<li> The maximum recursion depth for JSON arrays and objects is lowered from 2000
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to 1000.
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<li> Extended the <a href="../printf.html">built-in printf()</a> function so the <a href="../printf.html#comma">comma option</a> now works with
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floating-point conversions in addition to integer conversions.
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<li> Miscellaneous bug fixes and performance optimizations
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<p><b>Hashes:</b>
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<li>SQLITE_SOURCE_ID: 2023-05-16 12:36:15 831d0fb2836b71c9bc51067c49fee4b8f18047814f2ff22d817d25195cf350b0
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<li>SHA3-256 for sqlite3.c: 6aa3fadf000000625353bbaa1e83af114c40c240a0aa5a2c1c2aabcfc28d4f92
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</ol></p>
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<p>A <a href="../changes.html">complete list of SQLite releases</a>
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in a single page and a <a href="../chronology.html">chronology</a> are both also available.
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A detailed history of every
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check-in is available at
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<a href="https://www.sqlite.org/src/timeline">
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SQLite version control site</a>.</p>
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