diff options
Diffstat (limited to 'mysql-test/r/derived.result')
| -rw-r--r-- | mysql-test/r/derived.result | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result index cd97c898e18..c6b8bf73a6f 100644 --- a/mysql-test/r/derived.result +++ b/mysql-test/r/derived.result @@ -1,4 +1,6 @@ drop table if exists t1,t2,t3; +set @save_derived_optimizer_switch=@@optimizer_switch; +set optimizer_switch='derived_merge=off,derived_with_keys=off'; select * from (select 2 from DUAL) b; 2 2 @@ -190,13 +192,13 @@ pla_id test explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY m2 ALL NULL NULL NULL NULL 9 -1 PRIMARY <derived2> ALL NULL NULL NULL NULL 9 Using where +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join) 2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort 2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1 explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY m2 ALL NULL NULL NULL NULL 9 -1 PRIMARY <derived2> ALL NULL NULL NULL NULL 9 Using where +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join) 2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort 2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1 drop table t1,t2; @@ -205,6 +207,7 @@ x 1 create user mysqltest_1; create table t1 select 1 as a; +set optimizer_switch='derived_merge=off,derived_with_keys=off'; select 2 as a from (select * from t1) b; ERROR 3D000: No database selected use test; @@ -429,7 +432,7 @@ id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 1 PRIMARY <derived3> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 3 DERIVED t1 ALL NULL NULL NULL NULL 2 -3 DERIVED t3 ALL NULL NULL NULL NULL 2 Using where +3 DERIVED t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) 4 SUBQUERY t1 ALL NULL NULL NULL NULL 2 2 SUBQUERY <derived5> ALL NULL NULL NULL NULL 2 5 DERIVED t2 index NULL b 5 NULL 2 Using index @@ -437,3 +440,4 @@ SELECT 1 FROM t1 JOIN v1 ON 1 > (SELECT 1 FROM v2); ERROR 21000: Subquery returns more than 1 row DROP TABLE t1, t2; DROP VIEW v1, v2; +set optimizer_switch=@save_derived_optimizer_switch; |