diff options
| -rw-r--r-- | mysql-test/r/subselect4.result | 121 | ||||
| -rw-r--r-- | mysql-test/t/subselect4.test | 64 |
2 files changed, 185 insertions, 0 deletions
diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result index 50fd75df285..8cb56abe593 100644 --- a/mysql-test/r/subselect4.result +++ b/mysql-test/r/subselect4.result @@ -1454,3 +1454,124 @@ WHERE SQ2_t2.f3 AND alias1.f1) ORDER BY f3 ; f2 drop table t1,t2; +# +# LP BUG#715062: Wrong result with VIEW + UNION + subquery in maria-5.3-mwl89 +# +create table t1 (f1 int); +create table t2 (f2 int); +create table t3 (f3 int); +insert into t1 values (2); +insert into t2 values (2); +insert into t3 values (7); +CREATE VIEW v1 AS SELECT 2 UNION SELECT 2 ; +CREATE VIEW v2 AS SELECT * from t1 UNION SELECT * from t2 ; +set @save_optimizer_switch=@@optimizer_switch; +SET @@optimizer_switch = 'in_to_exists=off,semijoin=off,materialization=on'; +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +( 5 ) IN ( SELECT * FROM v1 ) +0 +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 +2 SUBQUERY <derived3> system NULL NULL NULL NULL 1 +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +( 5 ) IN ( SELECT * FROM v2 ) +0 +SET @@optimizer_switch = 'in_to_exists=on,semijoin=off,materialization=off'; +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +( 5 ) IN ( SELECT * FROM v1 ) +0 +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +( 5 ) IN ( SELECT * FROM v2 ) +0 +set @@optimizer_switch=@save_optimizer_switch; +drop table t1,t2,t3; +drop view v1,v2; diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 0ea218d4cf1..5e190a40593 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -1200,3 +1200,67 @@ WHERE (SELECT SQ2_t2.f1 ORDER BY f3 ; drop table t1,t2; + +--echo # +--echo # LP BUG#715062: Wrong result with VIEW + UNION + subquery in maria-5.3-mwl89 +--echo # + +create table t1 (f1 int); +create table t2 (f2 int); +create table t3 (f3 int); +insert into t1 values (2); +insert into t2 values (2); +insert into t3 values (7); + +CREATE VIEW v1 AS SELECT 2 UNION SELECT 2 ; +CREATE VIEW v2 AS SELECT * from t1 UNION SELECT * from t2 ; + +set @save_optimizer_switch=@@optimizer_switch; +SET @@optimizer_switch = 'in_to_exists=off,semijoin=off,materialization=on'; + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +SELECT ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +SELECT ( 5 ) IN ( SELECT * FROM v2 ); + +SET @@optimizer_switch = 'in_to_exists=on,semijoin=off,materialization=off'; + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +SELECT ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +SELECT ( 5 ) IN ( SELECT * FROM v2 ); + +set @@optimizer_switch=@save_optimizer_switch; + +drop table t1,t2,t3; +drop view v1,v2; |