176 lines
8.1 KiB
HTML
176 lines
8.1 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 3.44.0 On 2023-11-01</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 3.44.0 On 2023-11-01</h2><p><ol class='lessindent'>
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<li> <a href="../lang_aggfunc.html">Aggregate functions</a> can now include an ORDER BY clause after their last
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parameter. The arguments to the function are processed in the order
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specified. This can be important for functions like
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<a href="../lang_aggfunc.html#group_concat">string_agg()</a> and <a href="../json1.html#jgrouparray">json_group_array()</a>.
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<li> Add support for the <a href="../lang_corefunc.html#concat">concat()</a> and <a href="../lang_corefunc.html#concat_ws">concat_ws()</a> scalar SQL functions,
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compatible with PostgreSQL, SQLServer, and MySQL.
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<li> Add support for the <a href="../lang_aggfunc.html#group_concat">string_agg()</a> aggregate SQL function, compatible
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with PostgreSQL and SQLServer.
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<li> New conversion letters on the <a href="../lang_datefunc.html#strftm">strftime() SQL function</a>: %e %F %I %k %l %p %P %R %T %u
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<li> Add new C-language APIs: <a href="../c3ref/get_clientdata.html">sqlite3_get_clientdata()</a> and <a href="../c3ref/get_clientdata.html">sqlite3_set_clientdata()</a>.
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<li> Many errors associated with CREATE TABLE are now raised when the CREATE TABLE statement
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itself is run, rather than being deferred until the first time the table is actually
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used.
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<li> The <a href="../pragma.html#pragma_integrity_check">PRAGMA integrity_check</a> command now verifies the consistency of the
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content in various built-in <a href="../vtab.html">virtual tables</a> using the new <a href="../vtab.html#xintegrity">xIntegrity method</a>.
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This works for the <a href="../fts3.html">FTS3</a>, <a href="../fts3.html#fts4">FTS4</a>, <a href="../fts5.html">FTS5</a>, <a href="../rtree.html">RTREE</a>, and <a href="../geopoly.html">GEOPOLY</a> extensions.
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<li> The <a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfigdefensive">SQLITE_DBCONFIG_DEFENSIVE</a> setting now prevents <a href="../pragma.html#pragma_writable_schema">PRAGMA writable_schema</a>
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from being turned on. Previously writable_schema could be turned on, but would
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not actually allow the schema to be writable. Now it simply cannot be turned on.
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<li> Tag the built-in <a href="../fts3.html">FTS3</a>, <a href="../fts3.html#fts4">FTS4</a>, <a href="../fts5.html">FTS5</a>, <a href="../rtree.html">RTREE</a>, and <a href="../geopoly.html">GEOPOLY</a> virtual tables as
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<a href="../c3ref/c_vtab_constraint_support.html#sqlitevtabinnocuous">SQLITE_VTAB_INNOCUOUS</a> so that they can be used inside of triggers in
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high-security deployments.
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<li> The <a href="../pragma.html#pragma_case_sensitive_like">PRAGMA case_sensitive_like</a> statement is deprecated, as its use when the
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schema contains LIKE operators can lead to reports of database corruption
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by <a href="../pragma.html#pragma_integrity_check">PRAGMA integrity_check</a>.
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<li> <a href="../compile.html#use_seh">SQLITE_USE_SEH</a> (Structured Exception Handling) is now enabled by default whenever
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SQLite is built using the Microsoft C compiler. It can be disabled using
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-DSQLITE_USE_SEH=0
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<li> Query planner optimizations:
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<ol type="a">
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<li> In partial index scans, if the WHERE clause implies a constant value for a table
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column, replace occurrences of that table column with the constant. This
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increases the likelihood of the partial index being a covering index.
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<li> Disable the view-scan optimization (added in <a href="../releaselog/3_42_0.html">version 3.42.0</a> - item 1c)
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as it was causing multiple performance regressions. In its place, reduce
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the estimated row count for DISTINCT subqueries by a factor of 8.
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</ol>
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<li> SQLite now performs run-time detection of whether or not the underlying hardware
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supports "long double" with precision greater than "double" and uses appropriate
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floating-point routines depending on what it discovered.
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<li> The <a href="../cli.html">CLI</a> for Windows now defaults to using UTF-8 for both input
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and output on platforms that support it. The --no-utf8 option is available
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to disable UTF8 support.
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<p><b>Hashes:</b>
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<li>SQLITE_SOURCE_ID: 2023-11-01 11:23:50 17129ba1ff7f0daf37100ee82d507aef7827cf38de1866e2633096ae6ad8130
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<li>SHA3-256 for sqlite3.c: d9e6530096136067644b1cb2057b3b0fa51070df99ec61971f73c9ba6aa9a36e
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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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