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<title>SQLite Release 3.7.8 On 2011-09-19</title>
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<h2>SQLite Release 3.7.8 On 2011-09-19</h2><p><ol class='lessindent'>
<li> Orders of magnitude performance improvement for <a href="../lang_createindex.html">CREATE INDEX</a> on
very large tables.
<li> Improved the windows VFS to better defend against interference
from anti-virus software.
<li> Improved query plan optimization when the DISTINCT keyword is present.
<li> Allow more system calls to be overridden in the unix VFS - to provide
better support for chromium sandboxes.
<li> Increase the default size of a lookahead cache line from 100 to 128 bytes.
<li> Enhancements to the test_quota.c module so that it can track
preexisting files.
<li> Bug fix: Virtual tables now handle IS NOT NULL constraints correctly.
<li> Bug fixes: Correctly handle nested correlated subqueries used with
indices in a WHERE clause.
<li> SQLITE_SOURCE_ID:
"2011-09-19 14:49:19 3e0da808d2f5b4d12046e05980ca04578f581177"
<li> SHA1 for sqlite3.c: bfcd74a655636b592c5dba6d0d5729c0f8e3b4de
</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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