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merge of bug 30788 to 5.1-opt

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2007-11-21 15:56:45 +02:00
parent 4b9106764d
commit 16f15dba44
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mysql-test/r/subselect.result
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@ -1315,7 +1315,7 @@ a
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))