From f5dac20f38fcf581b0616562cd2da21fb8c50218 Mon Sep 17 00:00:00 2001 From: Igor Babaev Date: Thu, 15 Dec 2011 00:21:15 -0800 Subject: Made the optimizer switch flags 'outer_join_with_cache', 'semijoin_with_cache' set to 'on' by default. --- mysql-test/t/subselect4.test | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'mysql-test/t/subselect4.test') diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 0fd89bee42b..aa3cb30c6f3 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -991,6 +991,9 @@ INSERT INTO t3 VALUES ('a'), ('b'), ('c'); CREATE TABLE t4 (c1 varchar(1) primary key); INSERT INTO t4 VALUES ('k'), ('d'); +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; + EXPLAIN SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); @@ -1003,6 +1006,9 @@ SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SEL EXPLAIN SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2); SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2); + +SET optimizer_switch=@save_optimizer_switch; + drop table t1, t2, t3, t4; --echo # @@ -1297,6 +1303,8 @@ INSERT INTO t2 VALUES (10,5,'d1d'); set @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; + set @@optimizer_switch = 'materialization=off'; EXPLAIN -- cgit v1.2.1