diff options
Diffstat (limited to 'mysql-test/t/derived_view.test')
-rw-r--r-- | mysql-test/t/derived_view.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/t/derived_view.test b/mysql-test/t/derived_view.test index e35aca9b718..b674350af0a 100644 --- a/mysql-test/t/derived_view.test +++ b/mysql-test/t/derived_view.test @@ -4,9 +4,11 @@ drop view if exists v1,v2,v3,v4; --enable_warnings set @exit_optimizer_switch=@@optimizer_switch; +set @exit_join_cache_level=@@join_cache_level; set optimizer_switch='derived_merge=on,derived_with_keys=on'; # The 'default' value within the scope of this test: set @save_optimizer_switch=@@optimizer_switch; +set join_cache_level=1; create table t1(f1 int, f11 int); create table t2(f2 int, f22 int); @@ -925,6 +927,8 @@ INSERT INTO t2 VALUES (4,3,'r'); CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1; +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='semijoin_with_cache=off'; SET SESSION optimizer_switch='derived_with_keys=off'; EXPLAIN SELECT * FROM t3 @@ -942,6 +946,7 @@ SELECT * FROM t3 SELECT * FROM t3 WHERE t3.b IN (SELECT v1.b FROM v1, t2 WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c); +SET optimizer_switch=@save_optimizer_switch; DROP VIEW v1; DROP TABLE t1,t2,t3; @@ -1031,6 +1036,7 @@ CREATE TABLE t3 ( b int NOT NULL, e varchar(1) NOT NULL, d varchar(1) NOT NULL, KEY (e,b) ); INSERT INTO t3 VALUES (4,'x','x'),(9,'w','w'),(4,'d','d'),(8,'e','e'); +INSERT INTO t3 VALUES (14,'a','a'),(19,'b','b'),(14,'c','c'),(18,'d','d'); CREATE TABLE t4 (i int NOT NULL, m varchar(1) NOT NULL) ; INSERT INTO t4 VALUES (8,'m'),(9,'d'),(2,'s'),(4,'r'),(8,'m'); @@ -1071,6 +1077,9 @@ INSERT INTO t2 VALUES (29,8,'c'), (39,7,'b'); CREATE TABLE t3 (b int); +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; + EXPLAIN EXTENDED SELECT t.b, t.c, t1.a FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t @@ -1105,6 +1114,8 @@ SELECT t.b, t.c, t1.a FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t WHERE t.b <> 0 AND t.c = t1.a; +SET optimizer_switch=@save_optimizer_switch; + DROP TABLE t1,t2,t3; --echo # @@ -1119,6 +1130,9 @@ INSERT INTO t2 VALUES (6); CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2; +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; + SET SESSION optimizer_switch = 'derived_with_keys=on'; SET SESSION join_cache_level = 4; @@ -1137,6 +1151,8 @@ SELECT * FROM t3 SET SESSION join_cache_level = default; +SET optimizer_switch=@save_optimizer_switch; + DROP VIEW v2; DROP TABLE t1,t2,t3; @@ -1263,3 +1279,4 @@ drop table t1,t2,t3; # The following command must be the last one the file set optimizer_switch=@exit_optimizer_switch; +set join_cache_level=@exit_join_cache_level; |