4 Commits

Author	SHA1	Message	Date
Marko Mäkelä	3883eb63dc	Merge 11.0 into 11.1	2023-06-08 14:09:21 +03:00
Oleg Smirnov	af0e0ad18d	MDEV-30946 Index usage for DATE(datetime_column) = const does not work for DELETE and UPDATE ... Add date conditions transformation to the execution paths of DELETE and UPDATE commands. Strip excessive prepared statements from the test file	2023-04-25 20:21:36 +07:00
Oleg Smirnov	9f9a53be40	MDEV-30901 Index usage for DATE(datetime_column) = const does not work for engine Memory ... Fix incorrect approach to determine whether a field is part of an index. Remove "force index" hints from tests. Add tests with composite indexes	2023-04-25 20:21:35 +07:00
Oleg Smirnov	f0b665f880	MDEV-8320 Allow index usage for DATE(col) <=> const and YEAR <=> const ... Rewrite datetime comparison conditions into sargeable. For example, YEAR(col) <= val -> col <= YEAR_END(val) YEAR(col) < val -> col < YEAR_START(val) YEAR(col) >= val -> col >= YEAR_START(val) YEAR(col) > val -> col > YEAR_END(val) YEAR(col) = val -> col BETWEEN YEAR_START(val) AND YEAR_END(val) Do the same with DATE(col), for example: DATE(col) <= val -> col <= DAY_END(val) After such a rewrite index lookup on column "col" can be employed	2023-04-25 20:21:35 +07:00