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<title>SQLite Release 3.7.6 On 2011-04-12</title>
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<h2>SQLite Release 3.7.6 On 2011-04-12</h2><p><ol class='lessindent'>
<li> Added the <a href="../c3ref/wal_checkpoint_v2.html">sqlite3_wal_checkpoint_v2()</a> interface and enhanced the
<a href="../pragma.html#pragma_wal_checkpoint">wal_checkpoint pragma</a> to support blocking checkpoints.
<li> Improvements to the query planner so that it makes better estimates of
plan costs and hence does a better job of choosing the right plan,
especially when <a href="../compile.html#enable_stat2">SQLITE_ENABLE_STAT2</a> is used.
<li> Fix a bug which prevented deferred foreign key constraints from being
enforced when <a href="../c3ref/finalize.html">sqlite3_finalize()</a> was not
called by one statement with a failed foreign key constraint prior to
another statement with foreign key constraints running.
<li> Integer arithmetic operations that would have resulted in overflow
are now performed using floating-point instead.
<li> Increased the version number on the <a href="../c3ref/vfs.html">VFS object</a> to
3 and added new methods xSetSysCall, xGetSysCall, and xNextSysCall
used for doing full-coverage testing.
<li> Increase the maximum value of <a href="../limits.html#max_attached">SQLITE_MAX_ATTACHED</a> from 30 to 62
(though the default value remains at 10).
<li> Enhancements to FTS4:
<ol type="a">
<li> Added the <a href="../fts3.html#fts4aux">fts4aux</a> table
<li> Added support for <a href="../fts3.html#*fts4compression">compressed FTS4 content</a>
</ol>
<li> Enhance the <a href="../lang_analyze.html">ANALYZE</a> command to support the name of an index
as its argument, in order to analyze just that one index.
<li> Added the "unix-excl" built-in VFS on unix and unix-like platforms.
<li> SQLITE_SOURCE_ID:
"2011-04-12 01:58:40 f9d43fa363d54beab6f45db005abac0a7c0c47a7"
<li> SHA1 for sqlite3.c: f38df08547efae0ff4343da607b723f588bbd66b
</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>
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