Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0

into  mysql.com:/home/kgeorge/mysql/5.0/clean

mysql-test/r/group_min_max.result

@@ -1981,46 +1981,7 @@ a
 b
 c
 d
-create table t4 (
-pk_col int auto_increment primary key, a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
-) engine=innodb;
-insert into t4 (a1, a2, b, c, d, dummy) select * from t1;
-create index idx12672_0 on t4 (a1);
-create index idx12672_1 on t4 (a1,a2,b,c);
-create index idx12672_2 on t4 (a1,a2,b);
-analyze table t1;
-Table	Op	Msg_type	Msg_text
-test.t1	analyze	status	Table is already up to date
-select distinct a1 from t4 where pk_col not in (1,2,3,4);
-a1
-a
-b
-c
-d
-drop table t1,t2,t3,t4;
-create table t1 (
-a varchar(30), b varchar(30), primary key(a), key(b)
-) engine=innodb;
-select distinct a from t1;
-a
-drop table t1;
-create table t1(a int, key(a)) engine=innodb;
-insert into t1 values(1);
-select a, count(a) from t1 group by a with rollup;
-a	count(a)
-1	1
-NULL	1
-drop table t1;
-create table t1 (f1 int, f2 char(1), primary key(f1,f2)) engine=innodb;
-insert into t1 values ( 1,"e"),(2,"a"),( 3,"c"),(4,"d");
-alter table t1 drop primary key, add primary key (f2, f1);
-explain select distinct f1 a, f1 b from t1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	5	NULL	4	Using index; Using temporary
-explain select distinct f1, f2 from t1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	NULL	PRIMARY	5	NULL	3	Using index for group-by; Using temporary
-drop table t1;
+drop table t1,t2,t3;
 create table t1 (c1 int not null,c2 int not null, primary key(c1,c2));
 insert into t1 (c1,c2) values
 (10,1),(10,2),(10,3),(20,4),(20,5),(20,6),(30,7),(30,8),(30,9);

mysql-test/r/innodb_mysql.result

@@ -192,3 +192,79 @@ select count(*), min(7), max(7) from t2m, t1i;
 count(*)	min(7)	max(7)
 0	NULL	NULL
 drop table t1m, t1i, t2m, t2i;
+create table t1 (
+a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
+);
+insert into t1 (a1, a2, b, c, d) values
+('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
+('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
+('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
+('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
+('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
+('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
+('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
+('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
+('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
+('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
+('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
+('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
+('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
+('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
+('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
+('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'),
+('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
+('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
+('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
+('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
+('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
+('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
+('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
+('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
+('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
+('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
+('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
+('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
+('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
+('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
+('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
+('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4');
+create table t4 (
+pk_col int auto_increment primary key, a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
+) engine=innodb;
+insert into t4 (a1, a2, b, c, d, dummy) select * from t1;
+create index idx12672_0 on t4 (a1);
+create index idx12672_1 on t4 (a1,a2,b,c);
+create index idx12672_2 on t4 (a1,a2,b);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	OK
+select distinct a1 from t4 where pk_col not in (1,2,3,4);
+a1
+a
+b
+c
+d
+drop table t1,t4;
+create table t1 (
+a varchar(30), b varchar(30), primary key(a), key(b)
+) engine=innodb;
+select distinct a from t1;
+a
+drop table t1;
+create table t1(a int, key(a)) engine=innodb;
+insert into t1 values(1);
+select a, count(a) from t1 group by a with rollup;
+a	count(a)
+1	1
+NULL	1
+drop table t1;
+create table t1 (f1 int, f2 char(1), primary key(f1,f2)) engine=innodb;
+insert into t1 values ( 1,"e"),(2,"a"),( 3,"c"),(4,"d");
+alter table t1 drop primary key, add primary key (f2, f1);
+explain select distinct f1 a, f1 b from t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	NULL	PRIMARY	5	NULL	4	Using index; Using temporary
+explain select distinct f1, f2 from t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	NULL	PRIMARY	5	NULL	3	Using index for group-by; Using temporary
+drop table t1;

mysql-test/r/subselect.result

@@ -3183,3 +3183,24 @@ select * from (select min(i) from t1 where j=(select * from (select min(j) from
 min(i)
 1
 drop table t1;
+CREATE TABLE t1 (i BIGINT UNSIGNED);
+INSERT INTO t1 VALUES (10000000000000000000);
+INSERT INTO t1 VALUES (1);
+CREATE TABLE t2 (i BIGINT UNSIGNED);
+INSERT INTO t2 VALUES (10000000000000000000);
+INSERT INTO t2 VALUES (1);
+/* simple test */
+SELECT t1.i FROM t1 JOIN t2 ON t1.i = t2.i;
+i
+10000000000000000000
+1
+/* subquery test */
+SELECT t1.i FROM t1 WHERE t1.i = (SELECT MAX(i) FROM t2);
+i
+10000000000000000000
+/* subquery test with cast*/
+SELECT t1.i FROM t1 WHERE t1.i = CAST((SELECT MAX(i) FROM t2) AS UNSIGNED);
+i
+10000000000000000000
+DROP TABLE t1;
+DROP TABLE t2;

mysql-test/t/group_min_max.test

@@ -659,59 +659,7 @@ select a1 from t1 where a2 = 'b' group by a1;
 explain select distinct a1 from t1 where a2 = 'b';
 select distinct a1 from t1 where a2 = 'b';
 
-#
-# Bug #12672: primary key implcitly included in every innodb index
-#
-
---disable_warnings
-create table t4 (
-  pk_col int auto_increment primary key, a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
-) engine=innodb;
---enable_warnings
-insert into t4 (a1, a2, b, c, d, dummy) select * from t1;
-
-create index idx12672_0 on t4 (a1);
-create index idx12672_1 on t4 (a1,a2,b,c);
-create index idx12672_2 on t4 (a1,a2,b);
-analyze table t1;
-
-select distinct a1 from t4 where pk_col not in (1,2,3,4);
-
-drop table t1,t2,t3,t4;
-
-#
-# Bug #6142: a problem with the empty innodb table
-#
-
---disable_warnings
-create table t1 (
-  a varchar(30), b varchar(30), primary key(a), key(b)
-) engine=innodb;
---enable_warnings
-select distinct a from t1;
-drop table t1;
-
-#
-# Bug #9798: group by with rollup
-#
-
---disable_warnings
-create table t1(a int, key(a)) engine=innodb;
---enable_warnings
-insert into t1 values(1);
-select a, count(a) from t1 group by a with rollup;
-drop table t1;
-
-#
-# Bug #13293 Wrongly used index results in endless loop.
-#
-create table t1 (f1 int, f2 char(1), primary key(f1,f2)) engine=innodb;
-insert into t1 values ( 1,"e"),(2,"a"),( 3,"c"),(4,"d");
-alter table t1 drop primary key, add primary key (f2, f1);
-explain select distinct f1 a, f1 b from t1;
-explain select distinct f1, f2 from t1;
-drop table t1;
-
+drop table t1,t2,t3;
 #
 # Bug #14920 Ordering aggregated result sets with composite primary keys
 # corrupts resultset

mysql-test/t/innodb_mysql.test

@@ -129,3 +129,97 @@ select count(*), min(7), max(7) from t2m, t1i;
 
 drop table t1m, t1i, t2m, t2i;
 
+#
+# Bug #12672: primary key implcitly included in every innodb index 
+# (was part of group_min_max.test)
+#
+
+create table t1 (
+  a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
+);
+
+insert into t1 (a1, a2, b, c, d) values
+('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
+('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
+('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
+('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
+('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
+('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
+('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
+('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
+('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
+('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
+('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
+('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
+('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
+('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
+('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
+('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'),
+('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
+('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
+('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
+('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
+('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
+('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
+('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
+('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
+('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
+('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
+('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
+('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
+('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
+('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
+('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
+('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4');
+--disable_warnings
+create table t4 (
+  pk_col int auto_increment primary key, a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
+) engine=innodb;
+--enable_warnings
+insert into t4 (a1, a2, b, c, d, dummy) select * from t1;
+
+create index idx12672_0 on t4 (a1);
+create index idx12672_1 on t4 (a1,a2,b,c);
+create index idx12672_2 on t4 (a1,a2,b);
+analyze table t1;
+
+select distinct a1 from t4 where pk_col not in (1,2,3,4);
+
+drop table t1,t4;
+
+#
+# Bug #6142: a problem with the empty innodb table 
+# (was part of group_min_max.test)
+#
+
+--disable_warnings
+create table t1 (
+  a varchar(30), b varchar(30), primary key(a), key(b)
+) engine=innodb;
+--enable_warnings
+select distinct a from t1;
+drop table t1;
+
+#
+# Bug #9798: group by with rollup 
+# (was part of group_min_max.test)
+#
+
+--disable_warnings
+create table t1(a int, key(a)) engine=innodb;
+--enable_warnings
+insert into t1 values(1);
+select a, count(a) from t1 group by a with rollup;
+drop table t1;
+
+#
+# Bug #13293 Wrongly used index results in endless loop.  
+# (was part of group_min_max.test)
+#
+create table t1 (f1 int, f2 char(1), primary key(f1,f2)) engine=innodb;
+insert into t1 values ( 1,"e"),(2,"a"),( 3,"c"),(4,"d");
+alter table t1 drop primary key, add primary key (f2, f1);
+explain select distinct f1 a, f1 b from t1;
+explain select distinct f1, f2 from t1;
+drop table t1;
+

mysql-test/t/subselect.test

@@ -2109,3 +2109,25 @@ insert into t1 values (1, 2), (2, 2), (3, 2);
 select * from (select min(i) from t1 where j=(select * from (select min(j) from t1) t2)) t3;
 drop table t1;
 
+# 
+# Bug#19700: subselect returning BIGINT always returned it as SIGNED
+#
+CREATE TABLE t1 (i BIGINT UNSIGNED);
+INSERT INTO t1 VALUES (10000000000000000000); -- > MAX SIGNED BIGINT 9323372036854775807
+INSERT INTO t1 VALUES (1);
+
+CREATE TABLE t2 (i BIGINT UNSIGNED);
+INSERT INTO t2 VALUES (10000000000000000000); -- same as first table
+INSERT INTO t2 VALUES (1);
+
+/* simple test */
+SELECT t1.i FROM t1 JOIN t2 ON t1.i = t2.i;
+
+/* subquery test */
+SELECT t1.i FROM t1 WHERE t1.i = (SELECT MAX(i) FROM t2);
+
+/* subquery test with cast*/
+SELECT t1.i FROM t1 WHERE t1.i = CAST((SELECT MAX(i) FROM t2) AS UNSIGNED);
+
+DROP TABLE t1;
+DROP TABLE t2;

sql/item.h

@@ -2245,6 +2245,7 @@ class Item_cache: public Item
     max_length= item->max_length;
     decimals= item->decimals;
     collation.set(item->collation);
+    unsigned_flag= item->unsigned_flag;
     return 0;
   };
   virtual void store(Item *)= 0;

sql/item_subselect.cc

@@ -404,6 +404,7 @@ void Item_singlerow_subselect::fix_length_and_dec()
     engine->fix_length_and_dec(row);
     value= *row;
   }
+  unsigned_flag= value->unsigned_flag;
   /*
     If there are not tables in subquery then ability to have NULL value
     depends on SELECT list (if single row subquery have tables then it