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