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+<!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 3.24.0 On 2018-06-04</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>
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+document.getElementById("searchbox").focus()
+}, 30);
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+}
+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";
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+</script>
+<h2>SQLite Release 3.24.0 On 2018-06-04</h2><p><ol class='lessindent'>
+<li> Add support for PostgreSQL-style <a href="../lang_upsert.html">UPSERT</a>.
+<li> Add support for <a href="../rtree.html#auxcol">auxiliary columns in r-tree tables</a>.
+<li> Add C-language APIs for discovering SQL keywords used by
+ SQLite: <a href="../c3ref/keyword_check.html">sqlite3_keyword_count()</a>, <a href="../c3ref/keyword_check.html">sqlite3_keyword_name()</a>, and
+ <a href="../c3ref/keyword_check.html">sqlite3_keyword_check()</a>.
+<li> Add C-language APIs for dynamic strings based on the
+ <a href="../c3ref/str.html">sqlite3_str</a> object.
+<li> Enhance <a href="../lang_altertable.html">ALTER TABLE</a> so that it recognizes "true" and "false" as
+ valid arguments to DEFAULT.
+<li> Add the sorter-reference optimization as a compile-time option.
+ Only available if compiled with SQLITE_ENABLE_SORTER_REFERENCES.
+<li> Improve the format of the <a href="../eqp.html">EXPLAIN QUERY PLAN</a> raw output, so that
+ it gives better information about the query plan and about the
+ relationships between the various components of the plan.
+<li> Added the <a href="../c3ref/c_dbconfig_defensive.html#sqlitedbconfigresetdatabase">SQLITE_DBCONFIG_RESET_DATABASE</a> option to the
+ <a href="../c3ref/db_config.html">sqlite3_db_config()</a> API.
+<p><b><a href="../cli.html">CLI</a> Enhancements:</b>
+<li> Automatically intercepts the raw <a href="../eqp.html">EXPLAIN QUERY PLAN</a>
+ output and reformats it into an ASCII-art graph.
+<li> Lines that begin with "#" and that are not in the middle of an
+ SQL statement are interpreted as comments.
+<li> Added the --append option to the ".backup" command.
+<li> Added the ".dbconfig" command.
+<p><b>Performance:</b>
+<li> <a href="../lang_update.html">UPDATE</a> avoids unnecessary low-level disk writes when the contents
+ of the database file do not actually change.
+ For example, "UPDATE t1 SET x=25 WHERE y=?" generates no extra
+ disk I/O if the value in column x is already 25. Similarly,
+ when doing <a href="../lang_update.html">UPDATE</a> on records that span multiple pages, only
+ the subset of pages that actually change are written to disk.
+ This is a low-level performance optimization only and does not
+ affect the behavior of TRIGGERs or other higher level SQL
+ structures.
+<li> Queries that use ORDER BY and LIMIT now try to avoid computing
+ rows that cannot possibly come in under the LIMIT. This can greatly
+ improve performance of ORDER BY LIMIT queries, especially when the
+ LIMIT is small relative to the number of unrestricted output rows.
+<li> The <a href="../optoverview.html#or_opt">OR optimization</a> is allowed to proceed
+ even if the OR expression has also been converted into an IN
+ expression. Uses of the OR optimization are now also
+ <a href="../eqp.html#or-opt">more clearly shown</a> in the <a href="../eqp.html">EXPLAIN QUERY PLAN</a> output.
+<li> The query planner is more aggressive about using
+ <a href="../optoverview.html#autoindex">automatic indexes</a> for views and subqueries for which it is
+ not possible to create a persistent index.
+<li> Make use of the one-pass UPDATE and DELETE query plans in the
+ <a href="../rtree.html">R-Tree extension</a> where appropriate.
+<li> Performance improvements in the LEMON-generated parser.
+<p><b>Bug fixes:</b>
+<li> For the right-hand table of a LEFT JOIN, compute the values
+ of expressions directly rather than loading precomputed values
+ out of an <a href="../expridx.html">expression index</a> as the expression index might
+ not contain the correct value. Ticket
+ <a href="https://sqlite.org/src/info/7fa8049685b50b5aeb0c2">7fa8049685b50b5aeb0c2</a>
+<li> Do not attempt to use terms from the WHERE clause to enable
+ indexed lookup of the right-hand table of a LEFT JOIN. Ticket
+ <a href="https://sqlite.org/src/info/4ba5abf65c5b0f9a96a7a">4ba5abf65c5b0f9a96a7a</a>
+<li> Fix a memory leak that can occur following a failure to open error
+ in the <a href="../csv.html">CSV virtual table</a>
+<li> Fix a long-standing problem wherein a corrupt schema on the
+ <a href="../fileformat2.html#seqtab">sqlite_sequence</a> table used by <a href="../autoinc.html">AUTOINCREMENT</a> can lead to
+ a crash. Ticket
+ <a href="https://www.sqlite.org/src/info/d8dc2b3a58cd5dc29">d8dc2b3a58cd5dc2918a1</a>
+<li> Fix the <a href="../json1.html#jeach">json_each()</a> function so that it returns
+ valid results on its "fullkey" column when the input is a simple value
+ rather than an array or object.
+<p><b>Hashes:</b>
+<li>SQLITE_SOURCE_ID: "2018-06-04 19:24:41 c7ee0833225bfd8c5ec2f9bf62b97c4e04d03bd9566366d5221ac8fb199a87ca"
+<li>SHA3-256 for sqlite3.c: 0d384704e1c66026228336d1e91771d295bf688c9c44c7a44f25a4c16c26ab3c
+
+</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>
+
+