Post-merge fix.

mysql-test/r/rpl_switch_stm_row_mixed.result

@@ -457,7 +457,7 @@ master-bin.000001	#	Query	#	#	use `mysqltest1`; CREATE TABLE `t2` (
 master-bin.000001	#	Table_map	#	#	table_id: # (mysqltest1.t2)
 master-bin.000001	#	Write_rows	#	#	table_id: # flags: STMT_END_F
 master-bin.000001	#	Query	#	#	use `mysqltest1`; CREATE TABLE `t3` (
-  `1` varbinary(36) NOT NULL DEFAULT ''
+  `1` varbinary(108) NOT NULL DEFAULT ''
 )
 master-bin.000001	#	Table_map	#	#	table_id: # (mysqltest1.t3)
 master-bin.000001	#	Write_rows	#	#	table_id: # flags: STMT_END_F
@@ -761,7 +761,7 @@ master-bin.000001	#	Query	#	#	use `mysqltest1`; CREATE TABLE `t2` (
 master-bin.000001	#	Table_map	#	#	table_id: # (mysqltest1.t2)
 master-bin.000001	#	Write_rows	#	#	table_id: # flags: STMT_END_F
 master-bin.000001	#	Query	#	#	use `mysqltest1`; CREATE TABLE `t3` (
-  `1` varbinary(36) NOT NULL DEFAULT ''
+  `1` varbinary(108) NOT NULL DEFAULT ''
 )
 master-bin.000001	#	Table_map	#	#	table_id: # (mysqltest1.t3)
 master-bin.000001	#	Write_rows	#	#	table_id: # flags: STMT_END_F

mysql-test/r/subselect.result

@@ -4106,6 +4106,39 @@ d1
 1
 1
 DROP TABLE t1,t2;
+CREATE TABLE t1 (a INTEGER, b INTEGER);
+CREATE TABLE t2 (x INTEGER);
+INSERT INTO t1 VALUES (1,11), (2,22), (2,22);
+INSERT INTO t2 VALUES (1), (2);
+SELECT a, COUNT(b), (SELECT COUNT(b) FROM t2) FROM t1 GROUP BY a;
+ERROR 21000: Subquery returns more than 1 row
+SELECT a, COUNT(b), (SELECT COUNT(b)+0 FROM t2) FROM t1 GROUP BY a;
+ERROR 21000: Subquery returns more than 1 row
+SELECT (SELECT SUM(t1.a)/AVG(t2.x) FROM t2) FROM t1;
+(SELECT SUM(t1.a)/AVG(t2.x) FROM t2)
+3.3333
+DROP TABLE t1,t2;
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (1, 2), (1,3), (1,4), (2,1), (2,2);
+SELECT a1.a, COUNT(*) FROM t1 a1 WHERE a1.a = 1
+AND EXISTS( SELECT a2.a FROM t1 a2 WHERE a2.a = a1.a)
+GROUP BY a1.a;
+a	COUNT(*)
+1	3
+DROP TABLE t1;
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+INSERT INTO t2 VALUES (1),(2);
+SELECT (SELECT SUM(t1.a) FROM t2 WHERE a=0) FROM t1;
+(SELECT SUM(t1.a) FROM t2 WHERE a=0)
+NULL
+SELECT (SELECT SUM(t1.a) FROM t2 WHERE a!=0) FROM t1;
+ERROR 21000: Subquery returns more than 1 row
+SELECT (SELECT SUM(t1.a) FROM t2 WHERE a=1) FROM t1;
+(SELECT SUM(t1.a) FROM t2 WHERE a=1)
+3
+DROP TABLE t1,t2;
 End of 5.0 tests.
 CREATE TABLE t1 (a int, b int);
 INSERT INTO t1 VALUES (2,22),(1,11),(2,22);

mysql-test/r/type_enum.result

@@ -1753,14 +1753,6 @@ t1	CREATE TABLE `t1` (
   `f1` int(11) DEFAULT NULL,
   `f2` enum('') DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
-drop table t1;
-End of 4.1 tests
-create table t1(f1 set('a','b'), index(f1));
-insert into t1 values(''),(''),('a'),('b');
-select * from t1 where f1='';
-f1
-
-
 drop table t1;
 create table t1(russian enum('E','F','EF','FE') NOT NULL DEFAULT'E');
 show create table t1;
@@ -1786,4 +1778,35 @@ drop table t1;
 create table t1(exhausting_charset enum('ABCDEFGHIJKLMNOPQRSTUVWXYZ','
	
 
 !"','#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~','xx\','yy\','zz'));
 ERROR 42000: Field separator argument is not what is expected; check the manual
+CREATE TABLE t1 (
+id INT AUTO_INCREMENT PRIMARY KEY,
+c1 ENUM('a', '', 'b')
+);
+INSERT INTO t1 (c1) VALUES (0), ('a'), (''), ('b');
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
+SELECT id, c1 + 0, c1 FROM t1;
+id	c1 + 0	c1
+1	0	
+2	1	a
+3	2	
+4	3	b
+ALTER TABLE t1 CHANGE c1 c1 ENUM('a', '') NOT NULL;
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 4
+SELECT id, c1 + 0, c1 FROM t1;
+id	c1 + 0	c1
+1	0	
+2	1	a
+3	2	
+4	0	
+DROP TABLE t1;
+End of 4.1 tests
+create table t1(f1 set('a','b'), index(f1));
+insert into t1 values(''),(''),('a'),('b');
+select * from t1 where f1='';
+f1
+
+
+drop table t1;
 End of 5.1 tests

mysql-test/t/type_enum.test

@@ -136,16 +136,6 @@ alter table t1 add f2 enum(0xFFFF);
 show create table t1;
 drop table t1;
 
---echo End of 4.1 tests
-
-#
-# Bug#28729: Field_enum wrongly reported an error while storing an empty string.
-#
-create table t1(f1 set('a','b'), index(f1));
-insert into t1 values(''),(''),('a'),('b');
-select * from t1 where f1='';
-drop table t1;
-
 #
 # Bug#24660 "enum" field type definition problem
 #
@@ -166,4 +156,31 @@ drop table t1;
 create table t1(exhausting_charset enum('ABCDEFGHIJKLMNOPQRSTUVWXYZ','
	
 
 !"','#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~','xx\','yy\','zz'));
 
+#
+# Bug #29251: MySQL coerces special 0 enum values to normal '' value
+# when ALTERing the column
+#
+
+CREATE TABLE t1 (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  c1 ENUM('a', '', 'b')
+);
+INSERT INTO t1 (c1) VALUES (0), ('a'), (''), ('b');
+SELECT id, c1 + 0, c1 FROM t1;
+
+ALTER TABLE t1 CHANGE c1 c1 ENUM('a', '') NOT NULL;
+SELECT id, c1 + 0, c1 FROM t1;
+
+DROP TABLE t1;
+
+--echo End of 4.1 tests
+
+#
+# Bug#28729: Field_enum wrongly reported an error while storing an empty string.
+#
+create table t1(f1 set('a','b'), index(f1));
+insert into t1 values(''),(''),('a'),('b');
+select * from t1 where f1='';
+drop table t1;
+
 --echo End of 5.1 tests