Commit 5b0c7525 authored by unknown's avatar unknown
Browse files

Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-5.0 

into sanja.is.com.ua:/home/bell/mysql/bk/work-union_merge-5.0


sql/field.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_subselect.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
parents 4a5057f9 c831a156

Build-tools/Bootstrap

+28 −14
Original line number Diff line number Diff line
@@ -240,40 +240,52 @@ if (defined $opt_changelog) 
	# the last tagged ChangeSet (this relies heavily on our current tagging

	# practice!)

	#

	my $revision= "";

	$opt_changelog=~ s/^=//;	# Sometimes, a leading '=' was not stripped.

	my $log_base= $opt_changelog;

	my $changelogfile;

	if ($target_dir =~ m:^/:)	# we need an absolute path, as we change directory

	{

		$changelogfile= $target_dir. "/ChangeLog";

	}

	else

	{

		$changelogfile= cwd() . "/" . $target_dir . "/ChangeLog";

	}



	if ($opt_changelog eq "last")

	{

		if (!$opt_revision)

		{

			$revision= `bk changes -t -d':REV:::TAG:' -n $REPO | grep mysql-$major.$minor | head -1 | cut -f1 -d ":"`;

			$log_base= `bk changes -t -d':REV:::TAG:' -n $REPO | grep mysql-$major.$minor | head -1 | cut -f1 -d ":"`;

		}

		else

		{

			$revision= `bk changes -r..$opt_revision -t -d':REV:' -n $REPO | head -2 | tail -1`;

			$log_base= `bk changes -r..$opt_revision -t -d':REV:' -n $REPO | head -2 | tail -1`;

		}

		chomp($revision);

		$opt_changelog= $revision;

		chomp($log_base);

	}



	$msg= "Adding $target_dir/ChangeLog";

	$msg.= " (down to revision $opt_changelog)" if $opt_changelog ne "";

	$msg= "Adding $changelogfile";

	$msg.= " (down to revision $log_base)" if $log_base ne "";

	&logger($msg);

	$command= "bk changes -v";

	$command.= " -r" if ($opt_changelog ne "" || $opt_revision);

	$command.= $opt_changelog if $opt_changelog ne "";

	$command.= ".." if ($opt_changelog ne "" && !$opt_revision);

	# Due to a BK error, "bk changes" must be run in $REPO !

	$command= "cd $REPO ; ";

	$command.= "bk changes -v";

	$command.= " -r" if ($log_base ne "" || $opt_revision);

	$command.= $log_base if $log_base ne "";

	$command.= ".." if ($log_base ne "" && !$opt_revision);

	$command.= ".." . $opt_revision if $opt_revision;

	$command.= " " . $REPO . " > $target_dir/ChangeLog";

	$command.= " > $changelogfile";

	&logger($command);

	# We cannot use run_command here because of output redirection

	unless ($opt_dry_run)

	{

		system($command) == 0 or &abort("Could not create $target_dir/ChangeLog!");

		system($command) == 0 or &abort("Could not create $changelogfile!");

	}

}



#

# Add the latest manual from the mysqldoc tree

# Add the latest manual and tool from the mysqldoc tree

#

unless ($opt_skip_manual)

{
@@ -283,6 +295,8 @@ unless ($opt_skip_manual) 
		system ("bk cat $opt_docdir/Docs/$file.texi > $target_dir/Docs/$file.texi") == 0

		or &abort("Could not update $file.texi in $target_dir/Docs/!");

	}

	&run_command("cp $opt_docdir/Docs/Support/texi2html $target_dir/Docs/Support",

	  "Could not copy $opt_docdir/Docs/Support/texi2html!");



	&run_command("rm -f $target_dir/Docs/Images/Makefile*",

 	  "Could not remove Makefiles in $target_dir/Docs/Images/!");

mysql-test/r/func_group.result

+1 −1
Original line number Diff line number Diff line
@@ -783,7 +783,7 @@ 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	NO		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/group_by.result

+25 −0
Original line number Diff line number Diff line
@@ -677,3 +677,28 @@ select sum(a)*sum(b) as d from t1 where a=1 group by c having d > 0; 
d

10

drop table t1;

create table t1(a int);

insert into t1 values (0),(1),(2),(3),(4),(5),(6),(8),(9);

create table t2 (

a int,

b varchar(200) NOT NULL,

c varchar(50) NOT NULL,

d varchar(100) NOT NULL,

primary key (a,b(132),c,d),

key a (a,b)

) charset=utf8;

insert into t2 select 

x3.a,  -- 3

concat('val-', x3.a + 3*x4.a), -- 12

concat('val-', @a:=x3.a + 3*x4.a + 12*C.a), -- 120

concat('val-', @a + 120*D.a)

from t1 x3, t1 x4, t1 C, t1 D where x3.a < 3 and x4.a < 4 and D.a < 4;

delete from t2  where a = 2 and b = 'val-2' limit 30;

explain select c from t2 where a = 2 and b = 'val-2' group by c;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t2	ref	PRIMARY,a	PRIMARY	402	const,const	6	Using where

select c from t2 where a = 2 and b = 'val-2' group by c;

c

val-74

val-98

drop table t1,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	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	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	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	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

+432 −2
Original line number Diff line number Diff line
@@ -1883,6 +1883,380 @@ 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);
@@ -2138,7 +2512,7 @@ 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;
@@ -2277,7 +2651,63 @@ 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)

drop table t1;

create table t1 (df decimal(5,1));

insert into t1 values(1.1);

insert into t1 values(2.2);