217 lines
12 KiB
HTML
217 lines
12 KiB
HTML
<!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 3.23.1 On 2018-04-10</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;
|
|
}
|
|
</script>
|
|
</div>
|
|
<h2>SQLite Release 3.23.1 On 2018-04-10</h2><p><b>Changes in version 3.23.0 (2018-04-02):</b></p>
|
|
<p><ol class='lessindent'>
|
|
<li value='1'> Add the <a href="../c3ref/serialize.html">sqlite3_serialize()</a> and <a href="../c3ref/deserialize.html">sqlite3_deserialize()</a> interfaces when
|
|
the <a href="../compile.html#enable_deserialize">SQLITE_ENABLE_DESERIALIZE</a> compile-time option is used.
|
|
<li> Recognize TRUE and FALSE as constants. (For compatibility, if there
|
|
exist columns named "true" or "false", then the identifiers refer to the
|
|
columns rather than Boolean constants.)
|
|
<li> Support operators IS TRUE, IS FALSE, IS NOT TRUE, and IS NOT FALSE.
|
|
<li> Added the <a href="../c3ref/c_dbstatus_options.html#sqlitedbstatuscachespill">SQLITE_DBSTATUS_CACHE_SPILL</a> option to <a href="../c3ref/db_status.html">sqlite3_db_status()</a> for
|
|
reporting the number of cache spills that have occurred.
|
|
<li> The "alternate-form-2" flag ("!") on the <a href="../printf.html">built-in printf</a> implementation
|
|
now causes string substitutions to measure the width and precision in
|
|
characters instead of bytes.
|
|
<li> If the <a href="../vtab.html#xcolumn">xColumn</a> method in a <a href="../vtab.html">virtual table</a> implementation returns
|
|
an error message using <a href="../c3ref/result_blob.html">sqlite3_result_error()</a> then give that error
|
|
message preference over internally-generated messages.
|
|
<li> Added the -A command-line option to the <a href="../cli.html">CLI</a> to make it easier to manage
|
|
<a href="../sqlar.html">SQLite Archive files</a>.
|
|
<li> Add support for INSERT OR REPLACE, INSERT OR IGNORE, and UPDATE OR REPLACE
|
|
in the <a href="../zipfile.html">Zipfile virtual table</a>.
|
|
<li> Enhance the <a href="../session/sqlite3changeset_apply.html">sqlite3changeset_apply()</a> interface so that it is hardened
|
|
against attacks from deliberately corrupted <a href="../sessionintro.html#changeset">changeset</a> objects.
|
|
<li> Added the <a href="https://sqlite.org/src/file/ext/misc/normalize.c">sqlite3_normalize()</a>
|
|
extension function.
|
|
<li> Query optimizer enhancements:
|
|
<ol type='a'>
|
|
<li> Improve the <a href="../optoverview.html#omitnoopjoin">omit-left-join optimization</a> so that it works in cases where
|
|
the right-hand table is UNIQUE but not necessarily NOT NULL.
|
|
<li> Improve the <a href="../optoverview.html#pushdown">push-down optimization</a> so that it works for many LEFT JOINs.
|
|
<li> Add the <a href="../optoverview.html#leftjoinreduction">LEFT JOIN strength reduction optimization</a> that converts a LEFT
|
|
JOIN into an ordinary JOIN if there exist terms in the WHERE clause
|
|
that would prevent the extra all-NULL row of the LEFT JOIN from
|
|
appearing in the output set.
|
|
<li> Avoid unnecessary writes to the sqlite_sequence table when an
|
|
<a href="../autoinc.html">AUTOINCREMENT</a> table is updated with an rowid that is less than the
|
|
maximum.
|
|
</ol>
|
|
<li> Bug fixes:
|
|
<ol type='a'>
|
|
<li> Fix the parser to accept valid <a href="../rowvalue.html">row value</a> syntax.
|
|
Ticket <a href="https://www.sqlite.org/src/info/7310e2fb3d046a5">7310e2fb3d046a5</a>
|
|
<li> Fix the query planner so that it takes into account dependencies in
|
|
the arguments to table-valued functions in subexpressions in
|
|
the WHERE clause.
|
|
Ticket <a href="https://www.sqlite.org/src/info/80177f0c226ff54">80177f0c226ff54</a>
|
|
<li> Fix incorrect result with complex OR-connected WHERE and STAT4.
|
|
Ticket <a href="https://www.sqlite.org/src/info/ec32177c99ccac2">ec32177c99ccac2</a>
|
|
<li> Fix potential corruption in <a href="../expridx.html">indexes on expressions</a> due to automatic
|
|
datatype conversions.
|
|
Ticket <a href="https://www.sqlite.org/src/info/343634942dd54ab">343634942dd54ab</a>
|
|
<li> Assertion fault in FTS4.
|
|
Ticket <a href="https://www.sqlite.org/src/info/d6ec09eccf68cfc">d6ec09eccf68cfc</a>
|
|
<li> Incorrect result on the less-than operator in <a href="../rowvalue.html">row values</a>.
|
|
Ticket <a href="https://www.sqlite.org/src/info/f484b65f3d62305">f484b65f3d62305</a>
|
|
<li> Always interpret non-zero floating-point values as TRUE, even if
|
|
the integer part is zero.
|
|
Ticket <a href="https://www.sqlite.org/src/info/36fae083b450e3a">36fae083b450e3a</a>
|
|
<li> Fix an issue in the fsdir(PATH) <a href="../vtab.html#tabfunc2">table-valued function</a> to the
|
|
<a href="https://sqlite.org/src/file/ext/misc/fileio.c">fileio.c</a> extension,
|
|
that caused a segfault if the fsdir() table was used as the inner table
|
|
of a join. Problem reported on the mailing list and fixed by check-in
|
|
<a href="https://www.sqlite.org/src/info/7ce4e71c1b7251be">7ce4e71c1b7251be</a>
|
|
<li> Issue an error rather instead of an assertion-fault or null-pointer
|
|
dereference when the sqlite_master table is corrupted so that the
|
|
sqlite_sequence table root page is really a btree-index page. Check-in
|
|
<a href="https://www.sqlite.org/src/info/525deb7a67fbd647">525deb7a67fbd647</a>
|
|
<li> Fix the <a href="../lang_analyze.html">ANALYZE</a> command so that it computes statistics on tables
|
|
whose names begin with "sqlite". Check-in
|
|
<a href="https://sqlite.org/src/info/0249d9aecf69948d">0249d9aecf69948d</a>
|
|
</ol>
|
|
<li> Additional fixes for issues detected by
|
|
<a href="https://github.com/google/oss-fuzz">OSSFuzz</a>:
|
|
<ol type='a'>
|
|
<li> Fix a possible infinite loop on VACUUM for corrupt database files.
|
|
Check-in <a href="https://www.sqlite.org/src/info/27754b74ddf64">27754b74ddf64</a>
|
|
<li> Disallow <a href="../lang_expr.html#varparam">parameters</a> in the <a href="../lang_with.html">WITH clause</a> of triggers and views.
|
|
Check-in <a href="https://www.sqlite.org/src/info/b918d4b4e546d">b918d4b4e546d</a>
|
|
<li> Fix a potential memory leak in <a href="../rowvalue.html">row value</a> processing.
|
|
Check-in <a href="https://www.sqlite.org/src/info/2df6bbf1b8ca8">2df6bbf1b8ca8</a>
|
|
<li> Improve the performance of the <a href="../lang_corefunc.html#replace">replace() SQL function</a> for cases where
|
|
there are many substitutions on megabyte-sized strings, in an attempt
|
|
to avoid OSSFuzz timeouts during testing.
|
|
Check-in <a href="https://www.sqlite.org/src/info/fab2c2b07b5d3">fab2c2b07b5d3</a>
|
|
<li> Provide an appropriate error message when the sqlite_master table
|
|
contains a CREATE TABLE AS statement. Formerly this caused either an
|
|
assertion fault or null pointer dereference. Problem found by OSSFuzz
|
|
on the GDAL project. Check-in
|
|
<a href="https://www.sqlite.org/src/info/d75e67654aa96">d75e67654aa96</a>
|
|
<li> Incorrect assert() statement removed. Check-in
|
|
<a href="https://www.sqlite.org/src/info/823779d31eb09cda">823779d31eb09cda</a>.
|
|
<li> Fix a problem with using the <a href="../optoverview.html#like_opt">LIKE optimization</a> on an
|
|
<a href="../lang_createtable.html#rowid">INTEGER PRIMARY KEY</a>. Check-in
|
|
<a href="https://www.sqlite.org/src/info/b850dd159918af56">b850dd159918af56</a>.
|
|
</ol>
|
|
</ol>
|
|
<p><b>Additional changes in version 3.23.1:</b></p>
|
|
<p><ol class='lessindent'>
|
|
<li value='14'> Fix two problems in the new <a href="../optoverview.html#leftjoinreduction">LEFT JOIN strength reduction optimization</a>.
|
|
Tickets <a href="https://sqlite.org/src/info/1e39b966ae9ee739">1e39b966ae9ee739</a>
|
|
and <a href="https://sqlite.org/src/info/fac496b61722daf2">fac496b61722daf2</a>.
|
|
<li> Fix misbehavior of the FTS5 xBestIndex method. Ticket
|
|
<a href="https://sqlite.org/src/info/2b8aed9f7c9e61e8">2b8aed9f7c9e61e8</a>.
|
|
<li> Fix a harmless reference to an uninitialized virtual machine register.
|
|
Ticket <a href="https://sqlite.org/src/info/093420fc0eb7cba7">093420fc0eb7cba7</a>.
|
|
<li> Fix the <a href="../cli.html">CLI</a> so that it builds with -DSQLITE_UNTESTABLE
|
|
<li> Fix the <a href="https://sqlite.org/src/file/ext/misc/eval.c">eval.c</a> extension
|
|
so that it works with <a href="../pragma.html#pragma_empty_result_callbacks">PRAGMA empty_result_callbacks=ON</a>.
|
|
<li> Fix the <a href="../series.html">generate_series</a> virtual table so that it correctly returns
|
|
no rows if any of its constraints are NULL.
|
|
<li> Performance enhancements in the parser.
|
|
<p><b>Hashes:</b>
|
|
<li>SQLITE_SOURCE_ID: "2018-04-10 17:39:29 4bb2294022060e61de7da5c227a69ccd846ba330e31626ebcd59a94efd148b3b"
|
|
<li>SHA3-256 for sqlite3.c: 65750d1e506f416a0b0b9dd22d171379679c733e3460549754dc68c92705b5dc
|
|
|
|
</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>
|
|
|