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| author | Sergey Petrunya <psergey@askmonty.org> | 2011-12-05 01:31:42 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2011-12-05 01:31:42 +0400 |
| commit | 255fd6c9294025ced406382980b0ad51960f0971 (patch) | |
| tree | e7d4f9097843a55ec9272790fa30d8c48cbf6c50 /mysql-test/r/subselect3_jcl6.result | |
| parent | b5a05df61ea263aa3c3b9df78c56148adf029f04 (diff) | |
| download | mariadb-git-255fd6c9294025ced406382980b0ad51960f0971.tar.gz | |
Make subquery Materialization, as well as semi-join Materialization be shown
in EXPLAIN as select_type==MATERIALIZED.
Before, we had select_type==SUBQUERY and it was difficult to tell materialized
subqueries from uncorrelated scalar-context subqueries.
Diffstat (limited to 'mysql-test/r/subselect3_jcl6.result')
| -rw-r--r-- | mysql-test/r/subselect3_jcl6.result | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mysql-test/r/subselect3_jcl6.result b/mysql-test/r/subselect3_jcl6.result index 59848c565d5..59750f2cfa0 100644 --- a/mysql-test/r/subselect3_jcl6.result +++ b/mysql-test/r/subselect3_jcl6.result @@ -1189,7 +1189,7 @@ explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 1 PRIMARY t3 ref a a 5 test.t2.a 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan -2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where select * from t3 where a in (select a from t2); a filler 1 filler @@ -1483,7 +1483,7 @@ FROM t3 ); 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 -3 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 +3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (not(<expr_cache><(select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = 9))>(<in_optimizer>((select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = 9)),(select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = 9)) in ( <materialize> (select `test`.`t3`.`b` from `test`.`t3` ), <primary_index_lookup>(9 in <temporary table> on distinct_key where ((9 = `<subquery3>`.`b`)))))))) |