SQLite Release 3.5.9 On 2008 May 14 (3.5.9)

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## SQLite Release 3.5.9 On 2008 May 14 (3.5.9)

- Added experimental support for the journal_mode PRAGMA and persistent journal.
- Journal mode PERSIST is the default behavior in exclusive locking mode.
- Fix a performance regression on LEFT JOIN (see ticket #3015) that was mistakenly introduced in version 3.5.8.
- Performance enhancement: Reengineer the internal routines used to interpret and render variable-length integers.
- Fix a buffer-overrun problem in sqlite3_mprintf() which occurs when a string without a zero-terminator is passed to "%.*s".
- Always convert IEEE floating point NaN values into NULL during processing. (Ticket #3060)
- Make sure that when a connection blocks on a RESERVED lock that it is able to continue after the lock is released. (Ticket #3093)
- The "configure" scripts should now automatically configure Unix systems for large file support. Improved error messages for when large files are encountered and large file support is disabled.
- Avoid cache pages leaks following disk-full or I/O errors
- And, many more minor bug fixes and performance enhancements....

A complete list of SQLite releases in a single page is also available. A detailed history of every check-in is available at http://www.sqlite.org/src/timeline.