146 lines
7.6 KiB
HTML
146 lines
7.6 KiB
HTML
<!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 3.31.0 On 2020-01-22</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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var x = document.getElementById(obj);
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if( 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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</script>
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</div>
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<h2>SQLite Release 3.31.0 On 2020-01-22</h2><p><ol class='lessindent'>
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<li>Add support for <a href="../gencol.html">generated columns</a>.
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<li>Add the <a href="../c3ref/hard_heap_limit64.html">sqlite3_hard_heap_limit64()</a> interface and the corresponding
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<a href="../pragma.html#pragma_hard_heap_limit">PRAGMA hard_heap_limit</a> command.
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<li>Enhance the <a href="../pragma.html#pragma_function_list">function_list pragma</a> to show the number of arguments on each
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function, the type of function (scalar, aggregate, window), and the function
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property flags <a href="../c3ref/c_deterministic.html#sqlitedeterministic">SQLITE_DETERMINISTIC</a>, <a href="../c3ref/c_deterministic.html#sqlitedirectonly">SQLITE_DIRECTONLY</a>,
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<a href="../c3ref/c_deterministic.html#sqliteinnocuous">SQLITE_INNOCUOUS</a>, and/or <a href="../c3ref/c_deterministic.html#sqlitesubtype">SQLITE_SUBTYPE</a>.
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<li>Add the <a href="../dbstat.html#dbstatagg">aggregated mode</a> feature to the
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<a href="../dbstat.html">DBSTAT virtual table</a>.
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<li>Add the <a href="../c3ref/open.html#opennofollow">SQLITE_OPEN_NOFOLLOW</a> option to <a href="../c3ref/open.html">sqlite3_open_v2()</a> that
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prevents SQLite from opening symbolic links.
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<li>Added the "#-N" array notation for <a href="../json1.html#jsonpath">JSON function path arguments</a>.
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<li>Added the <a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfigtrustedschema">SQLITE_DBCONFIG_TRUSTED_SCHEMA</a> connection setting which is
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also controllable via the new <a href="../pragma.html#pragma_trusted_schema">trusted_schema pragma</a> and at compile-time
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using the <a href="../compile.html#trusted_schema">-DSQLITE_TRUSTED_SCHEMA</a> compile-time option.
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<li>Added APIs <a href="../c3ref/filename_database.html">sqlite3_filename_database()</a>, <a href="../c3ref/filename_database.html">sqlite3_filename_journal()</a>, and
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<a href="../c3ref/filename_database.html">sqlite3_filename_wal()</a> which are useful for specialized extensions.
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<li>Add the <a href="../c3ref/uri_boolean.html">sqlite3_uri_key()</a> interface.
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<li>Upgraded the <a href="../c3ref/uri_boolean.html">sqlite3_uri_parameter()</a> function so that it works with the
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rollback journal or WAL filename in addition to the database filename.
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<li>Provide the ability to tag <a href="../appfunc.html">application-defined SQL functions</a> with
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new properties <a href="../c3ref/c_deterministic.html#sqliteinnocuous">SQLITE_INNOCUOUS</a> or <a href="../c3ref/c_deterministic.html#sqlitedirectonly">SQLITE_DIRECTONLY</a>.
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<li>Add new verbs to <a href="../c3ref/vtab_config.html">sqlite3_vtab_config()</a> so that the <a href="../vtab.html#xconnect">xConnect</a> method
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of virtual tables can declare the virtual table as
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<a href="../c3ref/c_vtab_constraint_support.html#sqlitevtabinnocuous">SQLITE_VTAB_INNOCUOUS</a> or <a href="../c3ref/c_vtab_constraint_support.html#sqlitevtabdirectonly">SQLITE_VTAB_DIRECTONLY</a>.
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<li>Faster response to <a href="../c3ref/interrupt.html">sqlite3_interrupt()</a>.
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<li>Added the <a href="https://sqlite.org/src/file/ext/misc/uuid.c">uuid.c</a> extension module
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implementing functions for processing RFC-4122 UUIDs.
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<li>The <a href="../malloc.html#lookaside">lookaside memory allocator</a> is enhanced to support two separate memory
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pools with different sized allocations in each pool. This allows more memory
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allocations to be covered by lookaside while at the same time reducing the
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heap memory usage to 48KB per connection, down from 120KB.
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<li>The <a href="../pragma.html#pragma_legacy_file_format">legacy_file_format pragma</a> is deactivated. It is now a no-op. In its place,
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the <a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfiglegacyfileformat">SQLITE_DBCONFIG_LEGACY_FILE_FORMAT</a> option to <a href="../c3ref/db_config.html">sqlite3_db_config()</a> is
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provided. The legacy_file_format pragma is deactivated because (1) it is
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rarely useful and (2) it is incompatible with <a href="../lang_vacuum.html">VACUUM</a> in schemas that have
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tables with both generated columns and descending indexes.
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Ticket <a href="https://www.sqlite.org/src/info/6484e6ce678fffab">6484e6ce678fffab</a>
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<p><b>Hashes:</b>
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<li>SQLITE_SOURCE_ID: 2020-01-22 18:38:59 f6affdd41608946fcfcea914ece149038a8b25a62bbe719ed2561c649b86d824
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<li>SHA3-256 for sqlite3.c: a5fca0b9f8cbf80ac89b97193378c719d4af4b7d647729d8df9c0c0fca7b1388
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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="http://www.sqlite.org/src/timeline">
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SQLite version control site</a>.</p>
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