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diff --git a/www/releaselog/3_19_1.html b/www/releaselog/3_19_1.html new file mode 100644 index 0000000..40f4e1c --- /dev/null +++ b/www/releaselog/3_19_1.html @@ -0,0 +1,188 @@ +<!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 3.19.1 On 2017-05-24</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 3.19.1 On 2017-05-24</h2><p><b>Prior changes from version 3.19.0 (2017-05-22):</b></p> +<p><ol class='lessindent'> +<li value='1'> The <a href="../c3ref/c_alter_table.html">SQLITE_READ</a> <a href="../c3ref/set_authorizer.html">authorizer callback</a> is invoked once + with a column name that is an empty string + for every table referenced in a query from which no columns are extracted. +<li> When using an index on an expression, try to use expression values already + available in the index, rather than loading the original columns and recomputing + the expression. +<li> Enhance the <a href="../optoverview.html#flattening">flattening optimization</a> so that it is able to flatten views + on the right-hand side of a LEFT JOIN. +<li> Use <a href="../lang_corefunc.html#replace">replace()</a> instead of <a href="../lang_corefunc.html#char">char()</a> for escaping newline and carriage-return + characters embedded in strings in the .dump output from the <a href="../cli.html">command-line shell</a>. +<li> Avoid unnecessary foreign key processing in UPDATE statements that do not + touch the columns that are constrained by the foreign keys. +<li> On a DISTINCT query that uses an index, try to skip ahead to the next distinct + entry using the index rather than stepping through rows, when an appropriate + index is available. +<li> Avoid unnecessary invalidation of <a href="../c3ref/blob.html">sqlite3_blob</a> handles when making + changes to unrelated tables. +<li> Transfer any terms of the HAVING clause that use only columns mentioned in + the GROUP BY clause over to the WHERE clause for faster processing. +<li> Reuse the same materialization of a VIEW if that VIEW appears more than + once in the same query. +<li> Enhance <a href="../pragma.html#pragma_integrity_check">PRAGMA integrity_check</a> so that it identifies tables that have two + or more rows with the same <a href="../lang_createtable.html#rowid">rowid</a>. +<li> Enhance the <a href="../fts5.html">FTS5</a> query syntax so that <a href="../fts5.html#fts5_column_filters">column filters</a> + may be applied to arbitrary expressions. +<li> Enhance the <a href="../json1.html#jex">json_extract()</a> function to cache and reuse parses of JSON + input text. +<li> Added the <a href="https://sqlite.org/src/file/ext/misc/anycollseq.c">anycollseq.c</a> + <a href="../loadext.html">loadable extension</a> that allows a generic SQLite database connection to + read a schema that contains unknown and/or + application-specific <a href="../datatype3.html#collation">collating sequences</a>. +<p><b>Bug Fixes:</b> +<li> Fix a problem in <a href="../lang_replace.html">REPLACE</a> that can result in a corrupt database containing + two or more rows with the same <a href="../lang_createtable.html#rowid">rowid</a>. Fix for ticket + <a href="https://www.sqlite.org/src/info/f68dc596c4e6018d">f68dc596c4e6018d</a>. +<li> Fix a problem in <a href="../pragma.html#pragma_integrity_check">PRAGMA integrity_check</a> that was causing a subsequent + <a href="../lang_vacuum.html">VACUUM</a> to behave suboptimally. +<li> Fix the <a href="../pragma.html#pragma_foreign_key_check">PRAGMA foreign_key_check</a> command so that it works correctly with + foreign keys on <a href="../withoutrowid.html">WITHOUT ROWID</a> tables. +<li> Fix a bug in the b-tree logic that can result in incorrect duplicate answers + for IN operator queries. Ticket + <a href="https://sqlite.org/src/info/61fe9745">61fe9745</a> +<li> Disallow leading zeros in numeric constants in JSON. Fix for ticket + <a href="https://www.sqlite.org/src/info/b93be8729a895a528e2">b93be8729a895a528e2</a>. +<li> Disallow control characters inside of strings in JSON. Fix for ticket + <a href="https://www.sqlite.org/src/info/6c9b5514077fed34551">6c9b5514077fed34551</a>. +<li> Limit the depth of recursion for JSON objects and arrays in order to avoid + excess stack usage in the recursive descent parser. Fix for ticket + <a href="https://www.sqlite.org/src/info/981329adeef51011052">981329adeef51011052</a>. +</ol> +<p><b>Changes in this specific patch release, version 3.19.1 (2017-05-24):</b></p> +<p><ol class='lessindent'> +<li value='21'>Fix a bug in the LEFT JOIN <a href="../optoverview.html#flattening">flattening optimization</a>. Ticket + <a href="https://www.sqlite.org/src/info/cad1ab4cb7b0fc">cad1ab4cb7b0fc</a>. +<li>Remove a surplus semicolon that was causing problems for older versions of MSVC. +<p><b>Hashes:</b> +<li>SQLITE_SOURCE_ID: "2017-05-24 13:08:33 f6d7b988f40217821a382bc298180e9e6794f3ed79a83c6ef5cae048989b3f86" +<li>SHA3-256 for sqlite3.c: 996b2aff37b6e0c6663d0312cd921bbdf6826c989cbbb07dadde5e9672889bca + +</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="https://www.sqlite.org/src/timeline"> + SQLite version control site</a>.</p> + + |