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Update test results.

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This commit is contained in:
Sergey Petrunya 2012-02-25 01:42:28 +04:00
parent 8871806788
commit 6400df6d71
1 changed files with 18 additions and 0 deletions
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18
mysql-test/r/subselect_mat.result
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@ -1861,6 +1861,24 @@ WHERE 'condition'='impossible'
MIN(a)
NULL
DROP TABLE t1;
#
# BUG#938131: Subquery materialization is not used in CREATE TABLE SELECT
#
CREATE TABLE t1(a int);
INSERT INTO t1 values(1),(2);
CREATE TABLE t2(a int);
INSERT INTO t2 values(1),(2);
# Should use Materialization:
EXPLAIN SELECT * FROM t1 WHERE a IN (SELECT * FROM t2 GROUP BY a HAVING a > 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using temporary
flush status;
CREATE TABLE t3 SELECT * FROM t1 WHERE a IN (SELECT * FROM t2 GROUP BY a HAVING a > 1);
SHOW STATUS LIKE 'Created_tmp_tables';
Variable_name Value
Created_tmp_tables 3
DROP TABLE t1,t2,t3;
# This must be at the end:
set optimizer_switch=@subselect_sj_mat_tmp;
set join_cache_level=@save_join_cache_level;