SQLite Release 3.5.8 On 2008 Apr 16 (3.5.8)

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## SQLite Release 3.5.8 On 2008 Apr 16 (3.5.8)

- Expose SQLite's internal pseudo-random number generator (PRNG) via the sqlite3_randomness() interface
- New interface sqlite3_context_db_handle() that returns the database connection handle that has invoked an application-defined SQL function.
- New interface sqlite3_limit() allows size and length limits to be set on a per-connection basis and at run-time.
- Improved crash-robustness: write the database page size into the rollback journal header.
- Allow the VACUUM command to change the page size of a database file.
- The xAccess() method of the VFS is allowed to return -1 to signal a memory allocation error.
- Performance improvement: The OP_IdxDelete opcode uses unpacked records, obviating the need for one OP_MakeRecord opcode call for each index record deleted.
- Performance improvement: Constant subexpressions are factored out of loops.
- Performance improvement: Results of OP_Column are reused rather than issuing multiple OP_Column opcodes.
- Fix a bug in the RTRIM collating sequence.
- Fix a bug in the SQLITE_SECURE_DELETE option that was causing Firefox crashes. Make arrangements to always test SQLITE_SECURE_DELETE prior to each release.
- Other miscellaneous performance enhancements.
- Other miscellaneous minor bug fixes.

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.