Merge 5.3->5.5

1 files changed, 35 insertions, 0 deletions

diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result
index 3d16d37c5f1..38a991990be 100644
--- a/mysql-test/r/select.result
+++ b/mysql-test/r/select.result
@@ -5119,6 +5119,7 @@ SELECT 1 FROM t1 GROUP BY 1;
 1
 1
 drop table t1;
+set sql_buffer_result= 0;
 #
 # Bug #58422: Incorrect result when OUTER JOIN'ing 
 # with an empty table
@@ -5322,4 +5323,38 @@ AND Time_zone_id = Time_zone_id
 OR Time_zone_id <> Time_zone_id ) 
 AND Use_leap_seconds <> 'N';
 Time_zone_id	Use_leap_seconds
+#
+# Bug mdev-4274: result of simplification of OR badly merged
+#                into embedding AND  
+#
+CREATE TABLE t1 (a int, b int, INDEX idx(b)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (8,8);
+CREATE TABLE t2 (c int, INDEX idx(c)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (8), (9);
+EXPLAIN EXTENDED
+SELECT * FROM t1 INNER JOIN t2 ON ( c = a ) 
+WHERE 1 IS NULL OR b < 33 AND b = c;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	idx	NULL	NULL	NULL	1	100.00	
+1	SIMPLE	t2	ref	idx	idx	5	const	1	100.00	Using index
+Warnings:
+Note	1003	select 8 AS `a`,8 AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`c` = 8) and 1)
+SELECT * FROM t1 INNER JOIN t2 ON ( c = a ) 
+WHERE 1 IS NULL OR b < 33 AND b = c;
+a	b	c
+8	8	8
+DROP TABLE t1,t2;
+#
+# Bug mdev-4413: another manifestations of bug mdev-2474
+#                (valgrind complains)
+#
+CREATE TABLE t1 (a int, b int) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (7,1);
+CREATE TABLE t2 (c int) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (0), (8);
+SELECT * FROM t1, t2 
+WHERE c = a AND
+( 0 OR ( b BETWEEN 45 AND 300 OR a > 45 AND a < 100 ) AND b = c );
+a	b	c
+DROP TABLE t1, t2;
 End of 5.3 tests