mariadb/mysql-test/r/win.result

drop table if exists t1,t2;
# ########################################################################
# # Parser tests
# ########################################################################
#
#  Check what happens when one attempts to use window function without OVER clause 
create table t1 (a int, b int);
insert into t1 values (1,1),(2,2);
select row_number() from t1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'from t1' at line 1
select rank() from t1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'from t1' at line 1
# Attempt to use window function in the WHERE clause
select * from t1 where 1=rank() over (order by a);
ERROR HY000: Invalid use of group function
select * from t1 where 1>row_number() over (partition by b order by a);
ERROR HY000: Invalid use of group function
drop table t1;
# ########################################################################
# # Functionality tests
# ########################################################################
#
#  Check if ROW_NUMBER() works in basic cases
create table t1(a int, b int, x char(32));
insert into t1 values (2, 10, 'xx');
insert into t1 values (2, 10, 'zz');
insert into t1 values (2, 20, 'yy');
insert into t1 values (3, 10, 'xxx');
insert into t1 values (3, 20, 'vvv');
select a, row_number() over (partition by a order by b) from t1;
a	row_number() over (partition by a order by b)
2	1
2	2
2	3
3	1
3	2
select a, b, x, row_number() over (partition by a order by x) from t1;
a	b	x	row_number() over (partition by a order by x)
2	10	xx	1
2	10	zz	3
2	20	yy	2
3	10	xxx	2
3	20	vvv	1
drop table t1;
create table t1 (pk int primary key, a int, b int);
insert into t1 values 
(1, 10, 22),
(2, 11, 21),
(3, 12, 20),
(4, 13, 19),
(5, 14, 18);
select 
pk, a, b, 
row_number() over (order by a), 
row_number() over (order by b)
from t1;
pk	a	b	row_number() over (order by a)	row_number() over (order by b)
1	10	22	1	5
2	11	21	2	4
3	12	20	3	3
4	13	19	4	2
5	14	18	5	1
drop table t1;
#
# Try RANK() function
#
create table t2 (
pk int primary key, 
a int
);
insert into t2 values
( 1 , 0),
( 2 , 0),
( 3 , 1),
( 4 , 1),
( 8 , 2),
( 5 , 2),
( 6 , 2),
( 7 , 2),
( 9 , 4),
(10 , 4);
select pk, a, rank() over (order by a) from t2;
pk	a	rank() over (order by a)
1	0	1
2	0	1
3	1	3
4	1	3
8	2	5
5	2	5
6	2	5
7	2	5
9	4	9
10	4	9
drop table t2;