5661d4166e
* Drop built-in support for OS/2. If you need to upgrade an OS/2 application to use this or a later version of SQLite, then add an application-defined VFS using the sqlite3_vfs_register() interface. The code removed in this release can serve as a baseline for the application-defined VFS. * Ensure that floating point values are preserved exactly when reconstructing a database from the output of the ".dump" command of the command-line shell. * Added the sqlite3_close_v2() interface. * Updated the command-line shell so that it can be built using SQLITE_OMIT_FLOATING_POINT and SQLITE_OMIT_AUTOINIT. * Improvements to the windows makefiles and build processes. * Enhancements to PRAGMA integrity_check and PRAGMA quick_check so that they can optionally check just a single attached database instead of all attached databases. * Enhancements to WAL mode processing that ensure that at least one valid read-mark is available at all times, so that read-only processes can always read the database. * Performance enhancements in the sorter used by ORDER BY and CREATE INDEX. * Added the SQLITE_DISABLE_FTS4_DEFERRED compile-time option. * Better handling of aggregate queries where the aggregate functions are contained within subqueries. * Enhance the query planner so that it will try to use a covering index on queries that make use of or optimization. |
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