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Message #02871
Rev 2790: MWL#90: Subqueries: Inside-out execution for non-semijoin materialized in file:///home/psergey/dev/maria-5.3-subqueries-r12/
At file:///home/psergey/dev/maria-5.3-subqueries-r12/
------------------------------------------------------------
revno: 2790
revision-id: psergey@xxxxxxxxxxxx-20100406083401-36tcbqvit0wtilcx
parent: psergey@xxxxxxxxxxxx-20100406081058-ihhw7esolj0mzc9a
committer: Sergey Petrunya <psergey@xxxxxxxxxxxx>
branch nick: maria-5.3-subqueries-r12
timestamp: Tue 2010-04-06 12:34:01 +0400
message:
MWL#90: Subqueries: Inside-out execution for non-semijoin materialized
subqueries that are AND-parts of the WHERE
- Update test results (checked, we get 0 because the subquery is actually
evaluated by the EXPLAIN).
=== modified file 'mysql-test/r/myisam_mrr.result'
--- a/mysql-test/r/myisam_mrr.result 2010-03-11 21:43:31 +0000
+++ b/mysql-test/r/myisam_mrr.result 2010-04-06 08:34:01 +0000
@@ -347,7 +347,7 @@
);
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
-2 SUBQUERY t2 ALL int_key int_key 5 3 33.33 Using index condition; Using filesort
+2 SUBQUERY t2 ALL int_key int_key 5 0 0.00 Using index condition; Using filesort
Warnings:
Note 1003 select min(`test`.`t1`.`pk`) AS `MIN(t1.pk)` from `test`.`t1` where 0
DROP TABLE t1, t2;