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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 3.16.1 On 2017-01-03</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>
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+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";
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+</script>
+<h2>SQLite Release 3.16.1 On 2017-01-03</h2><p><b>Changes in version 3.16.0 (2017-01-02):</b></p>
+<p><ol class='lessindent'>
+<li value='1'>Uses 9% fewer CPU cycles. (See the <a href="../cpu.html">CPU performance measurement</a> report for
+ details on how this performance increase was computed.)
+<li>Added experimental support for <a href="../pragma.html#pragfunc">PRAGMA functions</a>.
+<li>Added the <a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfignockptonclose">SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE</a> option to <a href="../c3ref/db_config.html">sqlite3_db_config()</a>.
+<li>Enhance the <a href="../lang_datefunc.html">date and time functions</a> so that the 'unixepoch' modifier works
+ for the full span of supported dates.
+<li>Changed the default configuration of the <a href="../malloc.html#lookaside">lookaside memory allocator</a> from
+ 500 slots of 128 bytes each into 125 slots of 512 bytes each.
+<li>Enhanced "WHERE x NOT NULL" <a href="../partialindex.html">partial indexes</a> so that they are usable if
+ the "x" column appears in a LIKE or GLOB operator.
+<li>Enhanced <a href="../c3ref/interrupt.html">sqlite3_interrupt()</a> so that it interrupts <a href="../wal.html#ckpt">checkpoint</a> operations that
+ are in process.
+<li>Enhanced the <a href="../lang_expr.html#like">LIKE</a> and <a href="../lang_expr.html#glob">GLOB</a> matching algorithm to be faster
+ for cases when the pattern contains multiple wildcards.
+<li>Added the <a href="../c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlwin32gethandle">SQLITE_FCNTL_WIN32_GET_HANDLE</a> file control opcode.
+<li>Added ".mode quote" to the <a href="../cli.html">command-line shell</a>.
+<li>Added ".lint fkey-indexes" to the <a href="../cli.html">command-line shell</a>.
+<li>Added the <a href="../imposter.html#dotimposter">.imposter dot-command</a> to the <a href="../cli.html">command-line shell</a>.
+<li>Added the <a href="https://www.sqlite.org/src/file/ext/misc/remember.c">remember(V,PTR)</a>
+ SQL function as a <a href="../loadext.html">loadable extension</a>.
+<li>Rename the <a href="../compile.html#omit_builtin_test">SQLITE_OMIT_BUILTIN_TEST</a> compile-time option to
+ <a href="../compile.html#untestable">SQLITE_UNTESTABLE</a> to better reflect the implications of using it.
+<p><b>Bug Fixes:</b>
+<li>Fix a long-standing bug in the query planner that caused incorrect results
+ on a LEFT JOIN where the left-hand table is a subquery and the join constraint
+ is a bare column name coming from the left-hand subquery. Ticket
+ <a href="https://www.sqlite.org/src/info/2df0107b">2df0107b</a>.
+<li>Correctly handle the integer literal -0x8000000000000000 in the query planner.
+</ol>
+<p><b>Additional changes in version 3.16.1 (2017-01-03):</b></p>
+<p><ol class='lessindent'>
+<li value='17'>Fix a bug concerning the use of <a href="../rowvalue.html">row values</a> within <a href="../lang_createtrigger.html">triggers</a>
+ (see ticket <a href="https://www.sqlite.org/src/info/8c9458e7">8c9458e7</a>)
+ that was in version 3.15.0 but was not reported until moments after the 3.16.0
+ release was published.
+<p><b>Hashes:</b>
+<li>SQLITE_SOURCE_ID: "2017-01-03 18:27:03 979f04392853b8053817a3eea2fc679947b437fd"
+<li>SHA1 for sqlite3.c: 354f6223490b30fd5320b4066b1535e4ce33988d
+
+</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>
+
+