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1 files changed, 182 insertions, 0 deletions
diff --git a/www/releaselog/3_34_0.html b/www/releaselog/3_34_0.html new file mode 100644 index 0000000..00038a4 --- /dev/null +++ b/www/releaselog/3_34_0.html @@ -0,0 +1,182 @@ +<!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 3.34.0 On 2020-12-01</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 3.34.0 On 2020-12-01</h2><p><ol class='lessindent'> +<li> Added the <a href="../c3ref/txn_state.html">sqlite3_txn_state()</a> interface for reporting on the current + transaction state of the database connection. +<li> Enhance <a href="../lang_with.html#recursivecte">recursive common table expressions</a> to support two or more + recursive terms as is done by SQL Server, since this helps make + <a href="../lang_with.html#rcex3">queries against graphs</a> easier to write and faster to execute. +<li> Improved error messages on <a href="../lang_createtable.html#ckconst">CHECK constraint</a> failures. +<li> <a href="../cli.html">CLI</a> enhancements: + <ol type="a"> + <li> The <a href="../cli.html#dotread">.read</a> dot-command now accepts a pipeline in addition to + a filename. + <li> Added options --data-only and --nosys to the <a href="../cli.html#dump">.dump</a> dot-command. + <li> Added the --nosys option to the <a href="../cli.html#dschema">.schema</a> dot-command. + <li> Table name quoting works correctly for the <a href="../cli.html#csv">.import</a> dot-command. + <li> The <a href="../series.html">generate_series(START,END,STEP)</a> table-valued function + extension is now built into the CLI. + <li> The <a href="../cli.html#dotdatabases">.databases</a> dot-command now shows the status of each database + file as determined by <a href="../c3ref/db_readonly.html">sqlite3_db_readonly()</a> and + <a href="../c3ref/txn_state.html">sqlite3_txn_state()</a>. + <li> Added the --tabs command-line option that sets + <a href="../cli.html#dotmode">.mode tabs</a>. + <li> The --init option reports an error if the file named as its argument + cannot be opened. The --init option also now honors the --bail option. + </ol> +<li> Query planner improvements: + <ol type="a"> + <li> Improved estimates for the cost of running a DISTINCT operator. + <li> When doing an UPDATE or DELETE using a multi-column index where + only a few of the earlier columns of the index are useful for the + index lookup, postpone doing the main table seek until after all + WHERE clause constraints have been evaluated, in case those + constraints can be covered by unused later terms of the index, + thus avoiding unnecessary main table seeks. + <li> The new OP_SeekScan opcode is used to improve performance of + multi-column index look-ups when later columns are constrained + by an IN operator. + </ol> +<li> The <a href="../lang_transaction.html#immediate">BEGIN IMMEDIATE</a> and <a href="../lang_transaction.html#immediate">BEGIN EXCLUSIVE</a> commands now work even + if one or more attached database files are read-only. +<li> Enhanced <a href="../fts5.html">FTS5</a> to support <a href="../fts5.html#trigramidx">trigram indexes</a>. +<li> Improved performance of <a href="../wal.html">WAL mode</a> locking primitives in cases where + there are hundreds of connections all accessing the same database file + at once. +<li> Enhanced the <a href="../carray.html">carray() table-valued function</a> to include a single-argument + form that is bound using the auxiliary <a href="../carray.html#onearg">sqlite3_carray_bind()</a> interface. +<li> The <a href="../lang_corefunc.html#substr">substr() SQL function</a> can now also be called "substring()" for + compatibility with SQL Server. +<li> The <a href="../syntaxdiagrams.html">syntax diagrams</a> are now implemented as + <a href='https://pikchr.org/'>Pikchr</a> scripts and rendered + as SVG for improved legibility and ease of maintenance. +<p><b>Hashes:</b> +<li>SQLITE_SOURCE_ID: 2020-12-01 16:14:00 a26b6597e3ae272231b96f9982c3bcc17ddec2f2b6eb4df06a224b91089fed5b +<li>SHA3-256 for sqlite3.c: fbd895b0655a337b2cd657675f314188a4e9fe614444cc63dfeb3f066f674514 + + +</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> + + |