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<!DOCTYPE html>
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<title>SQLite Release 3.6.18 On 2009-09-11</title>
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<h2>SQLite Release 3.6.18 On 2009-09-11</h2><p><ol class='lessindent'>
<li>Versioning of the SQLite source code has transitioned from CVS to
<a href="http://www.fossil-scm.org/">Fossil</a>.
<li>Query planner enhancements.
<li>The <a href="../compile.html#enable_stat2">SQLITE_ENABLE_STAT2</a> compile-time option causes the <a href="../lang_analyze.html">ANALYZE</a>
command to collect a small histogram of each index, to help SQLite better
select among competing range query indices.
<li>Recursive triggers can be enabled using the <a href="../pragma.html#pragma_recursive_triggers">PRAGMA recursive_triggers</a>
statement.
<li>Delete triggers fire when rows are removed due to a
<a href="../lang_conflict.html">REPLACE conflict resolution</a>. This feature is only
enabled when recursive triggers are enabled.
<li>Added the <a href="../c3ref/c_open_autoproxy.html">SQLITE_OPEN_SHAREDCACHE</a> and <a href="../c3ref/c_open_autoproxy.html">SQLITE_OPEN_PRIVATECACHE</a>
flags for <a href="../c3ref/open.html">sqlite3_open_v2()</a> used to override the global
<a href="../sharedcache.html">shared cache mode</a> settings for individual database connections.
<li>Added improved version identification features:
C-Preprocessor macro <a href="../c3ref/c_source_id.html">SQLITE_SOURCE_ID</a>,
C/C++ interface <a href="../c3ref/libversion.html">sqlite3_sourceid()</a>, and SQL function <a href="../lang_corefunc.html#sqlite_source_id">sqlite_source_id()</a>.
<li>Obscure bug fix on triggers
(<a href="../https://www.sqlite.org/src/info/efc02f9779">[efc02f9779]</a>).
</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>
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