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3 commits

Author SHA1 Message Date
jimw@mysql.com
01ddc370f0 Enable warnings for 'no default' fields being set to default when they 
are not specified in an insert. Most of these changes are actually to
clean up the test suite to either specify defaults to avoid warnings,
or add the warnings to the results. Related to bug #5986.
 2005-01-14 17:09:35 -08:00
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
sergefp@mysql.com
a46d7542c9 This is first cset for WL#1394 "Optimize index merge when all involved index ranges include only values with equal keys" 
The main idea is to exploit the fact that key scans for "key=const" return ordered sequences of rowids.
 2004-05-13 01:38:40 +04:00