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SQLite Release 3.7.3 On 2010-10-08

  1. Added the sqlite3_create_function_v2() interface that includes a destructor callback.
  2. Added support for custom r-tree queries using application-supplied callback routines to define the boundary of the query region.
  3. The default page cache strives more diligently to avoid using memory beyond what is allocated to it by SQLITE_CONFIG_PAGECACHE. Or if using page cache is allocating from the heap, it strives to avoid going over the sqlite3_soft_heap_limit64(), even if SQLITE_ENABLE_MEMORY_MANAGEMENT is not set.
  4. Added the sqlite3_soft_heap_limit64() interface as a replacement for sqlite3_soft_heap_limit().
  5. The ANALYZE command now gathers statistics on tables even if they have no indices.
  6. Tweaks to the query planner to help it do a better job of finding the most efficient query plan for each query.
  7. Enhanced the internal text-to-numeric conversion routines so that they work with UTF8 or UTF16, thereby avoiding some UTF16-to-UTF8 text conversions.
  8. Fix a problem that was causing excess memory usage with large WAL transactions in win32 systems.
  9. The interface between the VDBE and B-Tree layer is enhanced such that the VDBE provides hints to the B-Tree layer letting the B-Tree layer know when it is safe to use hashing instead of B-Trees for transient tables.
  10. Miscellaneous documentation enhancements.

A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site.

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