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+<!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 3.7.15 On 2012-12-12</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";
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+}
+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';
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+x.style.display = '';
+b.innerHTML='hide';
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+function antiRobotDefense(){
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+antiRobot |= 1;
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+}, 100)
+antiRobotGo();
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+antiRobotDefense();
+</script>
+<h2>SQLite Release 3.7.15 On 2012-12-12</h2><p><ol class='lessindent'>
+<li>Added the <a href="../c3ref/errcode.html">sqlite3_errstr()</a> interface.
+<li>Avoid invoking the <a href="../c3ref/profile.html">sqlite3_trace()</a> callback multiple times when a
+ statement is automatically reprepared due to <a href="../rescode.html#schema">SQLITE_SCHEMA</a> errors.
+<li>Added support for Windows Phone 8 platforms
+<li>Enhance IN operator processing to make use of indices with numeric
+ affinities.
+<li>Do full-table scans using covering indices when possible, under the
+ theory that an index will be smaller and hence can be scanned with
+ less I/O.
+<li>Enhance the query optimizer so that ORDER BY clauses are more aggressively
+ optimized, especially in joins where various terms of the ORDER BY clause
+ come from separate tables of the join.
+<li>Add the ability to implement FROM clause subqueries as coroutines rather
+ that manifesting the subquery into a temporary table.
+<li>Enhancements the command-line shell:
+ <ol type='a'>
+ <li>Added the ".print" command
+ <li>Negative numbers in the ".width" command cause right-alignment
+ <li>Add the ".wheretrace" command when compiled with SQLITE_DEBUG
+ </ol>
+<li>Added the <a href="../pragma.html#pragma_busy_timeout">busy_timeout pragma</a>.
+<li>Added the <a href="../lang_corefunc.html#instr">instr()</a> SQL function.
+<li>Added the <a href="../c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlbusyhandler">SQLITE_FCNTL_BUSYHANDLER</a> file control, used to allow VFS
+ implementations to get access to the busy handler callback.
+<li>The xDelete method in the built-in <a href="../vfs.html">VFSes</a> now return
+ SQLITE_IOERR_DELETE_NOENT if the file to be deleted does not exist.
+<li>Enhanced support for QNX.
+<li>Work around an optimizer bug in the MSVC compiler when targeting ARM.
+<li>Bug fix: Avoid various concurrency problems in <a href="../sharedcache.html">shared cache mode</a>.
+<li>Bug fix: Avoid a deadlock or crash if the <a href="../backup.html">backup API</a>, <a href="../sharedcache.html">shared cache</a>,
+ and the SQLite Encryption Extension are all used at once.
+<li>Bug fix: SQL functions created using the TCL interface honor the
+ "nullvalue" setting.
+<li>Bug fix: Fix a 32-bit overflow problem on CREATE INDEX for databases
+ larger than 16GB.
+<li>Bug fix: Avoid segfault when using the <a href="../lang_expr.html#collateop">COLLATE operator</a> inside of a
+ <a href="../lang_createtable.html#ckconst">CHECK constraint</a> or <a href="../lang_createview.html">view</a> in <a href="../sharedcache.html">shared cache mode</a>.
+
+<li>SQLITE_SOURCE_ID:
+ "2012-12-12 13:36:53 cd0b37c52658bfdf992b1e3dc467bae1835a94ae"
+<li>SHA1 for sqlite3.c: 2b413611f5e3e3b6ef5f618f2a9209cdf25cbcff"
+
+</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="http://www.sqlite.org/src/timeline">
+ SQLite version control site</a>.</p>
+
+