172 lines
6.8 KiB
HTML
172 lines
6.8 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 3.43.0 On 2023-08-24</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 3.43.0 On 2023-08-24</h2><p><ol class='lessindent'>
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<li> Add support for <a href="../fts5.html#clssdeltab">Contentless-Delete FTS5 Indexes</a>. This is a variety
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of <a href="../fts5.html">FTS5</a> full-text search index that omits storing the content that is being indexed
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while also allowing records to be deleted.
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<li> Enhancements to the <a href="../lang_datefunc.html">date and time functions</a>:
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<ol type="a">
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<li> Added new <a href="../lang_datefunc.html#tmshf">time shift modifiers</a> of the form <tt>±YYYY-MM-DD HH:MM:SS.SSS</tt>.
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<li> Added the <a href="../lang_datefunc.html#tmdif">timediff() SQL function</a>.
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</ol>
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<li> Added the <a href="../lang_corefunc.html#octet_length">octet_length(X)</a> SQL function.
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<li> Added the <a href="../c3ref/stmt_explain.html">sqlite3_stmt_explain()</a> API.
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<li> Query planner enhancements:
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<ol type="a">
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<li> Generalize the LEFT JOIN strength reduction optimization so that it works
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for RIGHT and FULL JOINs as well. Rename it to
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<a href="../optoverview.html#leftjoinreduction">OUTER JOIN strength reduction</a>.
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<li> Enhance the theorem prover in the <a href="../optoverview.html#leftjoinreduction">OUTER JOIN strength reduction</a> optimization
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so that it returns fewer false-negatives.
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</ol>
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<li> Enhancements to the <a href="../floatingpoint.html#decext">decimal extension</a>:
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<ol type="a">
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<li> New function decimal_pow2(N) returns the N-th power of 2 for integer N
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between -20000 and +20000.
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<li> New function decimal_exp(X) works like decimal(X) except that it returns
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the result in exponential notation - with a "e+NN" at the end.
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<li> If X is a floating-point value, then the decimal(X) function now does a full
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expansion of that value into its exact decimal equivalent.
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</ol>
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<li> Performance enhancements to <a href="../json1.html">JSON processing</a> results in a 2x performance
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improvement for some kinds of processing on large JSON strings.
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<li> New makefile target "verify-source" checks to ensure that there are no
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unintentional changes in the source tree. (Works for
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<a href="../getthecode.html">canonical source code</a> only -
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not for <a href="../amalgamation.html#amalgtarball">precompiled amalgamation tarballs</a>.)
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<li> Added the <a href="../compile.html#use_seh">SQLITE_USE_SEH</a> compile-time option that enables Structured
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Exception Handling on Windows while working with the memory-mapped
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<a href="../walformat.html#shm">shm file</a> that is part of <a href="../wal.html">WAL mode</a> processing. This option is enabled
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by default when building on Windows using Makefile.msc.
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<li> The <a href="../vfs.html">VFS</a> for unix now assumes that the nanosleep() system call is
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available unless compiled with -DHAVE_NANOSLEEP=0.
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<p><b>Hashes:</b>
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<li>SQLITE_SOURCE_ID: 2023-08-24 12:36:59 0f80b798b3f4b81a7bb4233c58294edd0f1156f36b6ecf5ab8e83631d468778c
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<li>SHA3-256 for sqlite3.c: a6fc5379891d77b69a7d324cd24a437307af66cfdc3fef5dfceec3c82c8d4078
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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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