diff options
Diffstat (limited to 'mysql-test/t/ps.test')
| -rw-r--r-- | mysql-test/t/ps.test | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mysql-test/t/ps.test b/mysql-test/t/ps.test index e660c017854..ce7c498133c 100644 --- a/mysql-test/t/ps.test +++ b/mysql-test/t/ps.test @@ -166,12 +166,18 @@ create table t2 like t1; set @save_optimizer_switch=@@optimizer_switch; set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off"; +set @tmp_optimizer_switch=@@optimizer_switch; +set optimizer_switch='derived_merge=off,derived_with_keys=off'; + set @stmt= ' explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25 ' ; prepare stmt1 from @stmt ; execute stmt1 ; execute stmt1 ; explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25; deallocate prepare stmt1; + +set optimizer_switch=@tmp_optimizer_switch; + drop tables t1,t2; set @@optimizer_switch=@save_optimizer_switch; @@ -3091,10 +3097,13 @@ DROP TABLE t1; --echo # CREATE TABLE t1(a INT); INSERT INTO t1 VALUES (1),(2); +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; PREPARE stmt FROM 'EXPLAIN EXTENDED SELECT 1 FROM t1 RIGHT JOIN t1 t2 ON 1'; EXECUTE stmt; EXECUTE stmt; DEALLOCATE PREPARE stmt; +SET optimizer_switch=@save_optimizer_switch; DROP TABLE t1; --echo # |