7 commits

Author	SHA1	Message	Date
Sergei Petrunia	a379f151b1	MDEV-20109: Optimizer ignores distinct key created for materialized... ... Adjust the testcase according to the review input	2019-08-30 12:02:40 +03:00
Sergei Petrunia	ef76f81c98	MDEV-20109: Optimizer ignores distinct key created for materialized... ... (Backported to 10.3, addressed review input) Sj_materialization_picker::check_qep(): fix error in cost/fanout calculations: - for each join prefix, add #prefix_rows / TIME_FOR_COMPARE to the cost, like best_extension_by_limited_search does - Remove the fanout produced by the subquery tables. - Also take into account join condition selectivity optimize_wo_join_buffering() (used by LooseScan and FirstMatch) - also add #prefix_rows / TIME_FOR_COMPARE to the cost of each prefix. - Also take into account join condition selectivity	2019-08-30 12:02:40 +03:00
Sergei Petrunia	f7579518e2	MDEV-19600: The optimizer should be able to produce rows=1 estimate for unique index with NULLable columns ... Modify best_access_path() to produce rows=1 estimate for null-rejecting lookups on unique NULL keys.	2019-06-05 14:00:45 +03:00
Marko Mäkelä	90a9193685	Merge 10.2 into 10.3	2019-05-29 11:32:46 +03:00
Alexander Barkov	1c60f40868	Merge remote-tracking branch 'origin/10.2' into 10.3	2019-03-22 14:41:36 +04:00
Sergei Golubchik	c9717dc019	Merge branch '10.2' into 10.3	2018-05-11 13:15:10 +02:00
Michael Widenius	a7abddeffa	Create 'main' test directory and move 't' and 'r' there	2018-03-29 13:59:44 +03:00

Renamed from mysql-test/t/subselect_sj.test (Browse further)