bk commit into 6.0 tree (timour:1.2675) WL#1110

[timour]

Below is the list of changes that have just been committed into a local
6.0 repository of tkatchaounov. When tkatchaounov does a push these changes will
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ChangeSet@stripped, 2007-11-07 15:10:06+02:00, timour@stripped +1 -0
  WL#1110: Subquery optimization: materialization

  mysql-test/r/subselect_no_mat.result@stripped, 2007-11-07 15:09:57+02:00, timour@stripped +11 -0
    Post-merge correction.

diff -Nrup a/mysql-test/r/subselect_no_mat.result b/mysql-test/r/subselect_no_mat.result
--- a/mysql-test/r/subselect_no_mat.result	2007-11-07 12:38:17 +02:00
+++ b/mysql-test/r/subselect_no_mat.result	2007-11-07 15:09:57 +02:00
@@ -4134,6 +4134,17 @@ SELECT (SELECT SUM(t1.a) FROM t2 WHERE a
 (SELECT SUM(t1.a) FROM t2 WHERE a=1)
 3
 DROP TABLE t1,t2;
+CREATE TABLE t1 (a1 INT, a2 INT);
+CREATE TABLE t2 (b1 INT, b2 INT);
+INSERT INTO t1 VALUES (100, 200);
+INSERT INTO t1 VALUES (101, 201);
+INSERT INTO t2 VALUES (101, 201);
+INSERT INTO t2 VALUES (103, 203);
+SELECT ((a1,a2) IN (SELECT * FROM t2 WHERE b2 > 0)) IS NULL FROM t1;
+((a1,a2) IN (SELECT * FROM t2 WHERE b2 > 0)) IS NULL
+0
+0
+DROP TABLE t1, t2;
 End of 5.0 tests.
 create table t_out (subcase char(3),
 a1 char(2), b1 char(2), c1 char(2));