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diff --git a/www/releaselog/3_23_1.html b/www/releaselog/3_23_1.html new file mode 100644 index 0000000..26e8ac6 --- /dev/null +++ b/www/releaselog/3_23_1.html @@ -0,0 +1,241 @@ +<!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; +} +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 3.23.1 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 (2018-04-10):</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> + + |