Commit dddabc7e authored by unknown's avatar unknown
Browse files

Merge 


mysql-test/r/metadata.result:
  Auto merged
sql/item.h:
  Auto merged
sql/item_func.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_union.cc:
  Auto merged
mysql-test/r/union.result:
  SCCS merged
mysql-test/t/union.test:
  SCCS merged
parents dad03459 dda97623

mysql-test/r/func_group.result

+1 −1
Original line number Diff line number Diff line
@@ -747,7 +747,7 @@ insert into t1 values (now()); 
create table t2 select f2 from (select max(now()) f2 from t1) a;

show columns from t2;

Field	Type	Null	Key	Default	Extra

f2	datetime			0000-00-00 00:00:00	

f2	datetime	YES		NULL	

drop table t2;

create table t2 select f2 from (select now() f2 from t1) a;

show columns from t2;

mysql-test/r/metadata.result

+26 −1
Original line number Diff line number Diff line
@@ -55,8 +55,33 @@ id data data 
2	female	no

select t1.id from t1 union select t2.id from t2;

Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def	test	t1	t1	id	id	1	3	1	Y	32768	0	63

def				id	id	1	4	1	Y	32768	0	63

id

1

2

drop table t1,t2;

create table t1 ( a int, b varchar(30), primary key(a));

insert into t1 values (1,'one');

insert into t1 values (2,'two');

set @arg00=1 ;

select @arg00 FROM t1 where a=1 union distinct select 1 FROM t1 where a=1;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def				@arg00	@arg00	8	20	1	Y	32768	0	63

@arg00

1

select * from (select @arg00) aaa;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def			aaa	@arg00	@arg00	8	20	1	Y	32768	0	63

@arg00

1

select 1 union select 1;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def				1	1	8	20	1	N	32769	0	63

1

1

select * from (select 1 union select 1) aaa;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def			aaa	1	1	8	20	1	N	32769	0	63

1

1

drop table t1;

mysql-test/r/subselect.result

+431 −2
Original line number Diff line number Diff line
@@ -1873,6 +1873,380 @@ SELECT a FROM t1 WHERE a <> ALL ( SELECT a FROM t1 WHERE b = 2 ); 
a

1

3

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 HAVING a = 2);

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 HAVING a = 2);

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 HAVING a = 2);

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 HAVING a = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 HAVING a = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 HAVING a = 2);

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 HAVING a = 2);

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 HAVING a = 2);

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 HAVING a = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 HAVING a = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);

a

1

3

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE (1,2) > ANY (SELECT a FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE a > ANY (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) > ANY (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) > ALL (SELECT a FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE a > ALL (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) > ALL (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) = ALL (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) <> ANY (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) = ANY (SELECT a FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 2 column(s)

SELECT a FROM t1 WHERE a = ANY (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) = ANY (SELECT a,2 FROM t1 WHERE b = 2);

a

SELECT a FROM t1 WHERE (1,2) <> ALL (SELECT a FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 2 column(s)

SELECT a FROM t1 WHERE a <> ALL (SELECT a,2 FROM t1 WHERE b = 2);

ERROR 21000: Operand should contain 1 column(s)

SELECT a FROM t1 WHERE (1,2) <> ALL (SELECT a,2 FROM t1 WHERE b = 2);

a

1

2

3

SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 WHERE b = 2);

a

2

SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 WHERE b = 2);

a

1

3

SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 HAVING a = 2);

a

2

SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 WHERE b = 2 UNION SELECT a,1 FROM t1 WHERE b = 2);

a

2

SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 WHERE b = 2 UNION SELECT a,1 FROM t1 WHERE b = 2);

a

1

3

SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 HAVING a = 2 UNION SELECT a,1 FROM t1 HAVING a = 2);

a

2

SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 HAVING a = 2 UNION SELECT a,1 FROM t1 HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = 2 group by a);

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = 2 group by a);

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = 2 group by a);

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = 2 group by a);

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = 2 group by a);

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = 2 group by a);

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = 2 group by a);

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = 2 group by a);

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = 2 group by a);

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = 2 group by a);

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = 2 group by a);

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = 2 group by a);

a

1

3

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 group by a HAVING a = 2);

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 group by a HAVING a = 2);

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 group by a HAVING a = 2);

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 group by a HAVING a = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 group by a HAVING a = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 group by a HAVING a = 2);

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 group by a HAVING a = 2);

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 group by a HAVING a = 2);

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 group by a HAVING a = 2);

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 group by a HAVING a = 2);

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 group by a HAVING a = 2);

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 group by a HAVING a = 2);

a

1

3

SELECT concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a > t1.a), '-') from t1 a;

concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a > t1.a), '-')

0-

0-

1-

SELECT concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a < t1.a), '-') from t1 a;

concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a < t1.a), '-')

1-

0-

0-

SELECT concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a = t1.a), '-') from t1 a;

concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a = t1.a), '-')

0-

1-

0-

DROP TABLE t1;

CREATE TABLE t1 ( a double, b double );

INSERT INTO t1 VALUES (1,1),(2,2),(3,3);

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = 2e0);

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = 2e0);

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = 2e0);

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = 2e0);

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = 2e0);

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = 2e0);

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = 2e0);

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = 2e0);

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = 2e0);

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = 2e0);

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = 2e0);

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = 2e0);

a

1

3

DROP TABLE t1;

CREATE TABLE t1 ( a char(1), b char(1));

INSERT INTO t1 VALUES ('1','1'),('2','2'),('3','3');

SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = '2');

a

3

SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = '2');

a

1

SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = '2');

a

2

SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = '2');

a

2

3

SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = '2');

a

1

2

SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = '2');

a

1

3

SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = '2');

a

3

SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = '2');

a

1

SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = '2');

a

2

SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = '2');

a

2

3

SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = '2');

a

1

2

SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = '2');

a

1

3

DROP TABLE t1;

create table t1 (a int, b int);

insert into t1 values (1,2),(3,4);
@@ -2128,7 +2502,7 @@ drop table t1; 
create table t1 (a1 int);

create table t2 (b1 int);

select * from t1 where a2 > any(select b1 from t2);

ERROR 42S22: Unknown column 'a2' in 'scalar IN/ALL/ANY subquery'

ERROR 42S22: Unknown column 'a2' in 'IN/ALL/ANY subquery'

select * from t1 where a1 > any(select b1 from t2);

a1

drop table t1,t2;
@@ -2267,4 +2641,59 @@ pass userid parentid parentgroup childid groupname grouptypeid crse categoryid c 
1	5141	12	group2	12	group2	5	1	1	87	Oct04

1	5141	12	group2	12	group2	5	1	2	88	Oct04

1	5141	12	group2	12	group2	5	1	2	89	Oct04

drop table if exists t1, t2, t3, t4, t5;
 
drop table t1, t2, t3, t4, t5;

create table t1 (a int);

insert into t1 values (1), (2), (3);

SELECT 1 FROM t1 WHERE (SELECT 1) in (SELECT 1);

1

1

1

1

drop table t1;

create table t1 (a int);

create table t2 (a int);

insert into t1 values (1),(2);

insert into t2 values (0),(1),(2),(3);

select a from t2 where a in (select a from t1);

a

1

2

select a from t2 having a in (select a from t1);

a

1

2

prepare stmt1 from "select a from t2 where a in (select a from t1)";

execute stmt1;

a

1

2

execute stmt1;

a

1

2

deallocate prepare stmt1;

prepare stmt1 from "select a from t2 having a in (select a from t1)";

execute stmt1;

a

1

2

execute stmt1;

a

1

2

deallocate prepare stmt1;

drop table t1, t2;

create table t1 (a int, b int);

insert into t1 values (1,2);

select 1 = (select * from t1);

ERROR 21000: Operand should contain 1 column(s)

select (select * from t1) = 1;

ERROR 21000: Operand should contain 2 column(s)

select (1,2) = (select a from t1);

ERROR 21000: Operand should contain 2 column(s)

select (select a from t1) = (1,2);

ERROR 21000: Operand should contain 1 column(s)

select (1,2,3) = (select * from t1);

ERROR 21000: Operand should contain 3 column(s)

select (select * from t1) = (1,2,3);

ERROR 21000: Operand should contain 2 column(s)

mysql-test/r/union.result

+46 −11
Original line number Diff line number Diff line
@@ -655,7 +655,7 @@ f 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `f` binary(24) default NULL

  `f` varbinary(24) default NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT y from t2 UNION select da from t2;
@@ -666,7 +666,7 @@ y 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `y` binary(10) default NULL

  `y` varbinary(10) default NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT y from t2 UNION select dt from t2;
@@ -677,7 +677,7 @@ y 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `y` binary(19) default NULL

  `y` varbinary(19) default NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT da from t2 UNION select dt from t2;
@@ -699,7 +699,7 @@ testc 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `dt` binary(19) default NULL

  `dt` varbinary(19) default NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT dt from t2 UNION select sv from t2;
@@ -710,7 +710,7 @@ testv 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `dt` binary(19) default NULL

  `dt` varbinary(19) default NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT sc from t2 UNION select sv from t2;
@@ -732,7 +732,7 @@ tetetetetest 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `dt` blob

  `dt` longblob

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT sv from t2 UNION select b from t2;
@@ -755,7 +755,7 @@ tetetetetest 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `i` blob

  `i` longblob

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT sv from t2 UNION select tx from t2;
@@ -766,7 +766,7 @@ teeeeeeeeeeeest 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `sv` text

  `sv` longtext

) ENGINE=MyISAM DEFAULT CHARSET=latin1

drop table t1;

create table t1 SELECT b from t2 UNION select tx from t2;
@@ -1069,7 +1069,7 @@ create table t1 as 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `_latin1'test' collate latin1_bin` char(4) character set latin1 collate latin1_bin NOT NULL default ''

  `_latin1'test' collate latin1_bin` varchar(4) character set latin1 collate latin1_bin NOT NULL default ''

) ENGINE=MyISAM DEFAULT CHARSET=latin1

select count(*) from t1;

count(*)
@@ -1082,7 +1082,7 @@ create table t1 as 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `test` char(4) character set latin1 collate latin1_bin NOT NULL default ''

  `test` varchar(4) character set latin1 collate latin1_bin NOT NULL default ''

) ENGINE=MyISAM DEFAULT CHARSET=latin1

select count(*) from t1;

count(*)
@@ -1095,7 +1095,7 @@ create table t1 as 
show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `test` char(4) character set latin1 collate latin1_bin NOT NULL default ''

  `test` varchar(4) character set latin1 collate latin1_bin NOT NULL default ''

) ENGINE=MyISAM DEFAULT CHARSET=latin1

select count(*) from t1;

count(*)
@@ -1200,3 +1200,38 @@ select concat('value is: ', @val) union select 'some text'; 
concat('value is: ', @val)

value is: 6

some text

CREATE TABLE t1 (

a ENUM('','','') character set utf8 not null default '',

b ENUM("one", "two") character set utf8,

c ENUM("one", "two")

);

show create table t1;

Table	Create Table

t1	CREATE TABLE `t1` (

  `a` enum('','','') character set utf8 NOT NULL default '',

  `b` enum('one','two') character set utf8 default NULL,

  `c` enum('one','two') default NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1

insert into t1 values ('', 'one', 'one'), ('', 'two', 'one'), ('', NULL, NULL);

create table t2 select NULL union select a from t1;

show columns from t2;

Field	Type	Null	Key	Default	Extra

NULL	enum('','','')	YES		NULL	

drop table t2;

create table t2 select a from t1 union select NULL;

show columns from t2;

Field	Type	Null	Key	Default	Extra

a	enum('','','')	YES		NULL	

drop table t2;

create table t2 select a from t1 union select a from t1;

show columns from t2;

Field	Type	Null	Key	Default	Extra

a	char(1)				

drop table t2;

create table t2 select a from t1 union select c from t1;

ERROR HY000: Illegal mix of collations (utf8_general_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation 'UNION'

create table t2 select a from t1 union select b from t1;

show columns from t2;

Field	Type	Null	Key	Default	Extra

a	varchar(3)	YES		NULL	

drop table t2, t1;

mysql-test/t/metadata.test

+13 −0
Original line number Diff line number Diff line
@@ -34,4 +34,17 @@ select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id order by t1.id; 
select t1.id from t1 union select t2.id from t2;

drop table t1,t2;



#

# variables union and derived tables metadata test

#

create table t1 ( a int, b varchar(30), primary key(a));

insert into t1 values (1,'one');

insert into t1 values (2,'two');

set @arg00=1 ;

select @arg00 FROM t1 where a=1 union distinct select 1 FROM t1 where a=1;

select * from (select @arg00) aaa;

select 1 union select 1;

select * from (select 1 union select 1) aaa;

drop table t1;



--disable_metadata