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diff --git a/www/releaselog/3_6_21.html b/www/releaselog/3_6_21.html new file mode 100644 index 0000000..72aa80d --- /dev/null +++ b/www/releaselog/3_6_21.html @@ -0,0 +1,153 @@ +<!DOCTYPE html> +<html><head> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<link href="../sqlite.css" rel="stylesheet"> +<title>SQLite Release 3.6.21 On 2009-12-07</title> +<!-- path=../ --> +</head> +<body> +<div class=nosearch> +<a href="../index.html"> +<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0"> +</a> +<div><!-- IE hack to prevent disappearing logo --></div> +<div class="tagline desktoponly"> +Small. Fast. Reliable.<br>Choose any three. +</div> +<div class="menu mainmenu"> +<ul> +<li><a href="../index.html">Home</a> +<li class='mobileonly'><a href="javascript:void(0)" onclick='toggle_div("submenu")'>Menu</a> +<li class='wideonly'><a href='../about.html'>About</a> +<li class='desktoponly'><a href="../docs.html">Documentation</a> +<li class='desktoponly'><a href="../download.html">Download</a> +<li class='wideonly'><a href='../copyright.html'>License</a> +<li class='desktoponly'><a href="../support.html">Support</a> +<li class='desktoponly'><a href="../prosupport.html">Purchase</a> +<li class='search' id='search_menubutton'> +<a href="javascript:void(0)" onclick='toggle_search()'>Search</a> +</ul> +</div> +<div class="menu submenu" id="submenu"> +<ul> +<li><a href='../about.html'>About</a> +<li><a href='../docs.html'>Documentation</a> +<li><a href='../download.html'>Download</a> +<li><a href='../support.html'>Support</a> +<li><a href='../prosupport.html'>Purchase</a> +</ul> +</div> +<div class="searchmenu" id="searchmenu"> +<form method="GET" action="../search"> +<select name="s" id="searchtype"> +<option value="d">Search Documentation</option> +<option value="c">Search Changelog</option> +</select> +<input type="text" name="q" id="searchbox" value=""> +<input type="submit" value="Go"> +</form> +</div> +</div> +<script> +function toggle_div(nm) { +var w = document.getElementById(nm); +if( w.style.display=="block" ){ +w.style.display = "none"; +}else{ +w.style.display = "block"; +} +} +function toggle_search() { +var w = document.getElementById("searchmenu"); +if( w.style.display=="block" ){ +w.style.display = "none"; +} else { +w.style.display = "block"; +setTimeout(function(){ +document.getElementById("searchbox").focus() +}, 30); +} +} +function div_off(nm){document.getElementById(nm).style.display="none";} +window.onbeforeunload = function(e){div_off("submenu");} +/* Disable the Search feature if we are not operating from CGI, since */ +/* Search is accomplished using CGI and will not work without it. */ +if( !location.origin || !location.origin.match || !location.origin.match(/http/) ){ +document.getElementById("search_menubutton").style.display = "none"; +} +/* Used by the Hide/Show button beside syntax diagrams, to toggle the */ +function hideorshow(btn,obj){ +var x = document.getElementById(obj); +var b = document.getElementById(btn); +if( x.style.display!='none' ){ +x.style.display = 'none'; +b.innerHTML='show'; +}else{ +x.style.display = ''; +b.innerHTML='hide'; +} +return false; +} +var antiRobot = 0; +function antiRobotGo(){ +if( antiRobot!=3 ) return; +antiRobot = 7; +var j = document.getElementById("mtimelink"); +if(j && j.hasAttribute("data-href")) j.href=j.getAttribute("data-href"); +} +function antiRobotDefense(){ +document.body.onmousedown=function(){ +antiRobot |= 2; +antiRobotGo(); +document.body.onmousedown=null; +} +document.body.onmousemove=function(){ +antiRobot |= 2; +antiRobotGo(); +document.body.onmousemove=null; +} +setTimeout(function(){ +antiRobot |= 1; +antiRobotGo(); +}, 100) +antiRobotGo(); +} +antiRobotDefense(); +</script> +<h2>SQLite Release 3.6.21 On 2009-12-07</h2><p><ol class='lessindent'> +<li>The SQL output resulting from <a href="../c3ref/profile.html">sqlite3_trace()</a> is now modified to include +the values of <a href="../lang_expr.html#varparam">bound parameters</a>. +<li>Performance optimizations targeting a specific use case from +a single high-profile user of SQLite. A 12% reduction in the number of +CPU operations is achieved (as measured by Valgrind). Actual performance +improvements in practice may vary depending on workload. Changes +include: +<ol type='a'> + <li>The <a href="../lang_corefunc.html#ifnull">ifnull()</a> and <a href="../lang_corefunc.html#coalesce">coalesce()</a> SQL functions are now implemented + using in-line VDBE code rather than calling external functions, so that + unused arguments need never be evaluated. + <li>The <a href="../lang_corefunc.html#substr">substr()</a> SQL function does not bother to measure the length + its entire input string if it is only computing a prefix + <li>Unnecessary OP_IsNull, OP_Affinity, and OP_MustBeInt VDBE opcodes + are suppressed + <li>Various code refactorizations for performance +</ol> +<li>The FTS3 extension has undergone a major rework and cleanup. +New <a href="../fts3.html">FTS3 documentation</a> is now available. +<li>The <a href="../compile.html#secure_delete">SQLITE_SECURE_DELETE</a> compile-time option fixed to make sure that +content is deleted even when the <a href="../lang_delete.html#truncateopt">truncate optimization</a> applies. +<li>Improvements to "dot-command" handling in the +<a href="../cli.html">Command Line Interface</a>. +<li>Other minor bug fixes and documentation enhancements. + +</ol></p> + + <p>A <a href="../changes.html">complete list of SQLite releases</a> + in a single page and a <a href="../chronology.html">chronology</a> are both also available. + A detailed history of every + check-in is available at + <a href="https://www.sqlite.org/src/timeline"> + SQLite version control site</a>.</p> + + |