config root man

create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
insert into t1 values (1, 3);
select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ
1
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
Case When Count(*) < MAX_REQ Then 1 Else 0 End
1
drop table t1;
create table t1m (a int) engine=myisam;
create table t1i (a int) engine=innodb;
create table t2m (a int) engine=myisam;
create table t2i (a int) engine=innodb;
insert into t2m values (5);
insert into t2i values (5);
select min(a) from t1m;
min(a)
NULL
select min(7) from t1m;
min(7)
NULL
select min(7) from DUAL;
min(7)
7
explain select min(7) from t2m join t1m;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
Warnings:
Note	1003	/* select#1 */ select min(7) AS `min(7)` from `test`.`t2m` join `test`.`t1m`
select min(7) from t2m join t1m;
min(7)
NULL
select max(a) from t1m;
max(a)
NULL
select max(7) from t1m;
max(7)
NULL
select max(7) from DUAL;
max(7)
7
explain select max(7) from t2m join t1m;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
Warnings:
Note	1003	/* select#1 */ select max(7) AS `max(7)` from `test`.`t2m` join `test`.`t1m`
select max(7) from t2m join t1m;
max(7)
NULL
select 1, min(a) from t1m where a=99;
1	min(a)
1	NULL
select 1, min(a) from t1m where 1=99;
1	min(a)
1	NULL
select 1, min(1) from t1m where a=99;
1	min(1)
1	NULL
select 1, min(1) from t1m where 1=99;
1	min(1)
1	NULL
select 1, max(a) from t1m where a=99;
1	max(a)
1	NULL
select 1, max(a) from t1m where 1=99;
1	max(a)
1	NULL
select 1, max(1) from t1m where a=99;
1	max(1)
1	NULL
select 1, max(1) from t1m where 1=99;
1	max(1)
1	NULL
select min(a) from t1i;
min(a)
NULL
select min(7) from t1i;
min(7)
NULL
select min(7) from DUAL;
min(7)
7
explain select min(7) from t2i join t1i;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2i	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1i	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using join buffer (Block Nested Loop)
Warnings:
Note	1003	/* select#1 */ select min(7) AS `min(7)` from `test`.`t2i` join `test`.`t1i`
select min(7) from t2i join t1i;
min(7)
NULL
select max(a) from t1i;
max(a)
NULL
select max(7) from t1i;
max(7)
NULL
select max(7) from DUAL;
max(7)
7
explain select max(7) from t2i join t1i;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2i	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1i	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using join buffer (Block Nested Loop)
Warnings:
Note	1003	/* select#1 */ select max(7) AS `max(7)` from `test`.`t2i` join `test`.`t1i`
select max(7) from t2i join t1i;
max(7)
NULL
select 1, min(a) from t1i where a=99;
1	min(a)
1	NULL
select 1, min(a) from t1i where 1=99;
1	min(a)
1	NULL
select 1, min(1) from t1i where a=99;
1	min(1)
1	NULL
select 1, min(1) from t1i where 1=99;
1	min(1)
1	NULL
select 1, max(a) from t1i where a=99;
1	max(a)
1	NULL
select 1, max(a) from t1i where 1=99;
1	max(a)
1	NULL
select 1, max(1) from t1i where a=99;
1	max(1)
1	NULL
select 1, max(1) from t1i where 1=99;
1	max(1)
1	NULL
explain select count(*), min(7), max(7) from t1m, t1i;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
Warnings:
Note	1003	/* select#1 */ select count(0) AS `count(*)`,min(7) AS `min(7)`,max(7) AS `max(7)` from `test`.`t1m` join `test`.`t1i`
select count(*), min(7), max(7) from t1m, t1i;
count(*)	min(7)	max(7)
0	NULL	NULL
explain select count(*), min(7), max(7) from t1m, t2i;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
Warnings:
Note	1003	/* select#1 */ select count(0) AS `count(*)`,min(7) AS `min(7)`,max(7) AS `max(7)` from `test`.`t1m` join `test`.`t2i`
select count(*), min(7), max(7) from t1m, t2i;
count(*)	min(7)	max(7)
0	NULL	NULL
explain select count(*), min(7), max(7) from t2m, t1i;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2m	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1i	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select count(0) AS `count(*)`,min(7) AS `min(7)`,max(7) AS `max(7)` from `test`.`t1i`
select count(*), min(7), max(7) from t2m, t1i;
count(*)	min(7)	max(7)
0	NULL	NULL
drop table t1m, t1i, t2m, t2i;
#
# Bug #57954: BIT_AND function returns incorrect results when 
#   semijoin=on
CREATE TABLE c (
pk INT,
col_varchar_key VARCHAR(1),
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
) ENGINE=InnoDB;
INSERT INTO c VALUES (11,NULL);
INSERT INTO c VALUES (16,'c');
CREATE TABLE bb (
pk INT,
col_varchar_key VARCHAR(1),
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
) ENGINE=InnoDB;
INSERT INTO bb VALUES (10,NULL);
SELECT straight_join BIT_AND(c.pk)
FROM
bb, c
WHERE c.col_varchar_key='ABC'
ORDER BY c.pk;
BIT_AND(c.pk)
18446744073709551615
DROP TABLE c,bb;
#
# Bug #58050: BIT_OR and BIT_XOR return incorrect results when 
#  semijoin=on
#
CREATE TABLE t1 (pk INT PRIMARY KEY, b INT, c INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1, 1, 1);
CREATE TABLE t2 (pk INT PRIMARY KEY, b INT, c INT) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1, 1, NULL);
SELECT t1.* FROM t1  JOIN t2 ON t1.c=t2.c WHERE t1.pk=1;
pk	b	c
SELECT BIT_OR(t1.b)  FROM t1 JOIN t2 ON t1.c=t2.c WHERE t1.pk=1;
BIT_OR(t1.b)
0
SELECT BIT_AND(t1.b) FROM t1 JOIN t2 ON t1.c=t2.c WHERE t1.pk=1;
BIT_AND(t1.b)
18446744073709551615
SELECT BIT_XOR(t1.b) FROM t1 JOIN t2 ON t1.c=t2.c WHERE t1.pk=1;
BIT_XOR(t1.b)
0
DROP TABLE t1, t2;
End of 5.5 tests