mariadb/mysql-test/t/func_group_innodb.test

#
# Test of group functions that depend on innodb
#

--source include/have_innodb.inc

--disable_warnings
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
--enable_warnings
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;
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
drop table t1;


#
# Bug #12882  	min/max inconsistent on empty table
#

--disable_warnings
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;
--enable_warnings
insert into t2m values (5);
insert into t2i values (5);

# test with MyISAM
select min(a) from t1m;
select min(7) from t1m;
select min(7) from DUAL;
explain select min(7) from t2m join t1m;
select min(7) from t2m join t1m;

select max(a) from t1m;
select max(7) from t1m;
select max(7) from DUAL;
explain select max(7) from t2m join t1m;
select max(7) from t2m join t1m;

select 1, min(a) from t1m where a=99;
select 1, min(a) from t1m where 1=99;
select 1, min(1) from t1m where a=99;
select 1, min(1) from t1m where 1=99;

select 1, max(a) from t1m where a=99;
select 1, max(a) from t1m where 1=99;
select 1, max(1) from t1m where a=99;
select 1, max(1) from t1m where 1=99;

# test with InnoDB
select min(a) from t1i;
select min(7) from t1i;
select min(7) from DUAL;
explain select min(7) from t2i join t1i;
select min(7) from t2i join t1i;

select max(a) from t1i;
select max(7) from t1i;
select max(7) from DUAL;
explain select max(7) from t2i join t1i;
select max(7) from t2i join t1i;

select 1, min(a) from t1i where a=99;
select 1, min(a) from t1i where 1=99;
select 1, min(1) from t1i where a=99;
select 1, min(1) from t1i where 1=99;

select 1, max(a) from t1i where a=99;
select 1, max(a) from t1i where 1=99;
select 1, max(1) from t1i where a=99;
select 1, max(1) from t1i where 1=99;

# mixed MyISAM/InnoDB test
explain select count(*), min(7), max(7) from t1m, t1i;
select count(*), min(7), max(7) from t1m, t1i;

explain select count(*), min(7), max(7) from t1m, t2i;
select count(*), min(7), max(7) from t1m, t2i;

explain select count(*), min(7), max(7) from t2m, t1i;
select count(*), min(7), max(7) from t2m, t1i;

drop table t1m, t1i, t2m, t2i;


--echo #
--echo # Bug#13723054 CRASH WITH MIN/MAX AFTER QUICK_GROUP_MIN_MAX_SELECT::NEXT_MIN
--echo #

CREATE TABLE t1(a BLOB, b VARCHAR(255) CHARSET LATIN1, c INT,
                KEY(b, c, a(765))) ENGINE=INNODB;
INSERT INTO t1(a, b, c) VALUES ('', 'a', 0), ('', 'a', null), ('', 'a', 0);

SELECT MIN(c) FROM t1 GROUP BY b;
EXPLAIN SELECT MIN(c) FROM t1 GROUP BY b;

DROP TABLE t1;