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MDEV-30218: Incorrect optimization for rowid_filtering, correction

Final corrections:
- Remove incorrect tracing, "rowid_filter_skipped"
- Put the worst_seeks sanity check back
This commit is contained in:
Sergei Petrunia
2023-02-02 17:12:39 +02:00
committed by Oleksandr Byelkin
parent d1a46c68cd
commit 2e6872791a
7 changed files with 68 additions and 139 deletions

View File

@ -1661,7 +1661,7 @@ Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`
# gives selectivity data
explain extended select * from t1 where a in (17,51,5) and b=2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ref|filter b,a b|a 5|5 const 58 (3%) 2.90 Using where; Using rowid filter
1 SIMPLE t1 range|filter b,a a|b 5|5 NULL 29 (6%) 5.80 Using index condition; Using where; Using rowid filter
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where `test`.`t1`.`b` = 2 and `test`.`t1`.`a` in (17,51,5)
drop table t1;