SQLite Release 3.7.8

SQLite 3.7.8 (2011/09/19)

• 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

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