At file:///home/psergey/dev/maria-5.3-subqueries-r3/ ------------------------------------------------------------ revno: 2757 revision-id: psergey@askmonty.org-20100209203217-al1k9h50zrlphy5d parent: psergey@askmonty.org-20100208133030-e4zjy15b7o14ud8c committer: Sergey Petrunya branch nick: maria-5.3-subqueries-r3 timestamp: Tue 2010-02-09 23:32:17 +0300 message: Subquery optimizations backport: Update test results (checked) === modified file 'mysql-test/r/join_cache.result' --- a/mysql-test/r/join_cache.result 2009-12-21 02:26:15 +0000 +++ b/mysql-test/r/join_cache.result 2010-02-09 20:32:17 +0000 @@ -1028,8 +1028,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -1343,8 +1343,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -1658,8 +1658,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -1973,8 +1973,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -2292,8 +2292,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -2514,8 +2514,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -2736,8 +2736,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; @@ -2958,8 +2958,8 @@ WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY City ALL Population NULL NULL NULL 4079 Using where -2 DEPENDENT SUBQUERY Country unique_subquery PRIMARY,Name PRIMARY 3 func 1 Using where +1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR +1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer SELECT Name FROM City WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND City.Population > 100000; === modified file 'mysql-test/r/type_datetime.result' --- a/mysql-test/r/type_datetime.result 2009-02-13 18:07:03 +0000 +++ b/mysql-test/r/type_datetime.result 2010-02-09 20:32:17 +0000 @@ -514,10 +514,9 @@ where id in (select id from t1 as x1 where (t1.cur_date is null)); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables -2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE Warnings: Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1 -Note 1003 select '1' AS `id`,'2007-04-25 18:30:22' AS `cur_date` from `test`.`t1` where ('1',<exists>(select 1 AS `Not_used` from `test`.`t1` `x1` where 0)) +Note 1003 select '1' AS `id`,'2007-04-25 18:30:22' AS `cur_date` from `test`.`t1` `x1` join `test`.`t1` where (('2007-04-25 18:30:22' = 0)) select * from t1 where id in (select id from t1 as x1 where (t1.cur_date is null)); id cur_date @@ -526,10 +525,9 @@ where id in (select id from t2 as x1 where (t2.cur_date is null)); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables -2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE Warnings: Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1 -Note 1003 select '1' AS `id`,'2007-04-25' AS `cur_date` from `test`.`t2` where ('1',<exists>(select 1 AS `Not_used` from `test`.`t2` `x1` where 0)) +Note 1003 select '1' AS `id`,'2007-04-25' AS `cur_date` from `test`.`t2` `x1` join `test`.`t2` where (('2007-04-25' = 0)) select * from t2 where id in (select id from t2 as x1 where (t2.cur_date is null)); id cur_date @@ -540,10 +538,10 @@ where id in (select id from t1 as x1 where (t1.cur_date is null)); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where -2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where +1 PRIMARY x1 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(t1) Warnings: Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` where (`test`.`t1`.`id`,<exists>(select 1 AS `Not_used` from `test`.`t1` `x1` where ((`test`.`t1`.`cur_date` = 0) and (<cache>(`test`.`t1`.`id`) = `test`.`x1`.`id`)))) +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` semi join (`test`.`t1` `x1`) where ((`test`.`x1`.`id` = `test`.`t1`.`id`) and (`test`.`t1`.`cur_date` = 0)) select * from t1 where id in (select id from t1 as x1 where (t1.cur_date is null)); id cur_date @@ -552,10 +550,10 @@ where id in (select id from t2 as x1 where (t2.cur_date is null)); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where -2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where +1 PRIMARY x1 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(t2) Warnings: Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` where (`test`.`t2`.`id`,<exists>(select 1 AS `Not_used` from `test`.`t2` `x1` where ((`test`.`t2`.`cur_date` = 0) and (<cache>(`test`.`t2`.`id`) = `test`.`x1`.`id`)))) +Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` semi join (`test`.`t2` `x1`) where ((`test`.`x1`.`id` = `test`.`t2`.`id`) and (`test`.`t2`.`cur_date` = 0)) select * from t2 where id in (select id from t2 as x1 where (t2.cur_date is null)); id cur_date