sergefp@mysql.com dff98a8ef7 * New index_merge EXPLAIN output format ...

* Fixed a problem with wrong query results for partially covering keys in ROR-index_merge
 * ROR-intersection retrieval plan choice algorithm now uses less disk IO
   - and properly processes clustered PK range scans 
 * Fixed several minor range optimizer problems
 * Added more comments
 * Code cleanup

2004-05-29 02:04:01 +04:00

8.3 KiB

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