GROUP BY ROLLUP((gstest2.a, gstest2.b, gstest2.c), (gstest2.c, gstest2.d));
(1 row)
-- Nested queries with 3 or more levels of nesting
select(select (select grouping(a,b) from (values (1)) v2(c)) from (values (1,2)) v1(a,b) group by (a,b)) from (values(6,7)) v3(e,f) GROUP BY ROLLUP(e,f);
grouping
----------
0
0
0
(3 rows)
select(select (select grouping(e,f) from (values (1)) v2(c)) from (values (1,2)) v1(a,b) group by (a,b)) from (values(6,7)) v3(e,f) GROUP BY ROLLUP(e,f);
grouping
----------
0
1
3
(3 rows)
select(select (select grouping(c) from (values (1)) v2(c) GROUP BY c) from (values (1,2)) v1(a,b) group by (a,b)) from (values(6,7)) v3(e,f) GROUP BY ROLLUP(e,f);
grouping
----------
0
0
0
(3 rows)
-- Combinations of operations
select a, b, c, d from gstest2 group by rollup(a,b),grouping sets(c,d);
a | b | c | d
---+---+---+---
1 | 1 | 1 |
1 | | 1 |
| | 1 |
1 | 1 | 2 |
1 | 2 | 2 |
1 | | 2 |
2 | 2 | 2 |
2 | | 2 |
| | 2 |
1 | 1 | | 1
1 | | | 1
| | | 1
1 | 1 | | 2
1 | 2 | | 2
1 | | | 2
2 | 2 | | 2
2 | | | 2
| | | 2
(18 rows)
select a, b from (values (1,2),(2,3)) v(a,b) group by a,b, grouping sets(a);
a | b
---+---
1 | 2
2 | 3
(2 rows)
-- Tests for chained aggregates
select a, b, grouping(a,b), sum(v), count(*), max(v)
from gstest1 group by grouping sets ((a,b),(a+1,b+1),(a+2,b+2));
a | b | grouping | sum | count | max
---+---+----------+-----+-------+-----
1 | 1 | 0 | 21 | 2 | 11
1 | 2 | 0 | 25 | 2 | 13
1 | 3 | 0 | 14 | 1 | 14
2 | 3 | 0 | 15 | 1 | 15
3 | 3 | 0 | 16 | 1 | 16
3 | 4 | 0 | 17 | 1 | 17
4 | 1 | 0 | 37 | 2 | 19
| | 3 | 21 | 2 | 11
| | 3 | 25 | 2 | 13
| | 3 | 14 | 1 | 14
| | 3 | 15 | 1 | 15
| | 3 | 16 | 1 | 16
| | 3 | 17 | 1 | 17
| | 3 | 37 | 2 | 19
| | 3 | 21 | 2 | 11
| | 3 | 25 | 2 | 13
| | 3 | 14 | 1 | 14
| | 3 | 15 | 1 | 15
| | 3 | 16 | 1 | 16
| | 3 | 17 | 1 | 17
| | 3 | 37 | 2 | 19
(21 rows)
select(select (select grouping(a,b) from (values (1)) v2(c)) from (values (1,2)) v1(a,b) group by (a,b)) from (values(6,7)) v3(e,f) GROUP BY ROLLUP((e+1),(f+1));
grouping
----------
0
0
0
(3 rows)
select(select (select grouping(a,b) from (values (1)) v2(c)) from (values (1,2)) v1(a,b) group by (a,b)) from (values(6,7)) v3(e,f) GROUP BY CUBE((e+1),(f+1)) ORDER BY (e+1),(f+1);
grouping
----------
0
0
0
0
(4 rows)
select a, b, sum(c), sum(sum(c)) over (order by a,b) as rsum
from gstest2 group by cube (a,b) order by rsum, a, b;
a | b | sum | rsum
---+---+-----+------
1 | 1 | 8 | 8
1 | 2 | 2 | 10
1 | | 10 | 20
2 | 2 | 2 | 22
2 | | 2 | 24
| 1 | 8 | 32
| 2 | 4 | 36
| | 12 | 48
(8 rows)
select a, b, sum(c) from (values (1,1,10),(1,1,11),(1,2,12),(1,2,13),(1,3,14),(2,3,15),(3,3,16),(3,4,17),(4,1,18),(4,1,19)) v(a,b,c) group by rollup (a,b);
a | b | sum
---+---+-----
1 | 1 | 21
1 | 2 | 25
1 | 3 | 14
1 | | 60
2 | 3 | 15
2 | | 15
3 | 3 | 16
3 | 4 | 17
3 | | 33
4 | 1 | 37
4 | | 37
| | 145
(12 rows)
select a, b, sum(v.x)
from (values (1),(2)) v(x), gstest_data(v.x)
group by cube (a,b) order by a,b;
a | b | sum
---+---+-----
1 | 1 | 1
1 | 2 | 1
1 | 3 | 1
1 | | 3
2 | 1 | 2
2 | 2 | 2
2 | 3 | 2
2 | | 6
| 1 | 3
| 2 | 3
| 3 | 3
| | 9
(12 rows)
-- Agg level check. This query should error out.
select (select grouping(a,b) from gstest2) from gstest2 group by a,b;
ERROR: arguments to GROUPING must be grouping expressions of the associated query level
LINE 1: select (select grouping(a,b) from gstest2) from gstest2 grou...
^
--Nested queries
select a, b, sum(c), count(*) from gstest2 group by grouping sets (rollup(a,b),a);
a | b | sum | count
---+---+-----+-------
1 | 1 | 8 | 7
1 | 2 | 2 | 1
1 | | 10 | 8
1 | | 10 | 8
2 | 2 | 2 | 1
2 | | 2 | 1
2 | | 2 | 1
| | 12 | 9
(8 rows)
-- HAVING queries
select ten, sum(distinct four) from onek a
group by grouping sets((ten,four),(ten))
having exists (select 1 from onek b where sum(distinct a.four) = b.four);
ten | sum
-----+-----
0 | 0
0 | 2
0 | 2
1 | 1
1 | 3
2 | 0
2 | 2
2 | 2
3 | 1
3 | 3
4 | 0
4 | 2
4 | 2
5 | 1
5 | 3
6 | 0
6 | 2
6 | 2
7 | 1
7 | 3
8 | 0
8 | 2
8 | 2
9 | 1
9 | 3
(25 rows)
-- FILTER queries
select ten, sum(distinct four) filter (where four::text ~ '123') from onek a
group by rollup(ten);
ten | sum
-----+-----
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
|
(11 rows)
-- More rescan tests
select * from (values (1),(2)) v(a) left join lateral (select v.a, four, ten, count(*) from onek group by cube(four,ten)) s on true order by v.a,four,ten;
a | a | four | ten | count
---+---+------+-----+-------
1 | 1 | 0 | 0 | 50
1 | 1 | 0 | 2 | 50
1 | 1 | 0 | 4 | 50
1 | 1 | 0 | 6 | 50
1 | 1 | 0 | 8 | 50
1 | 1 | 0 | | 250
1 | 1 | 1 | 1 | 50
1 | 1 | 1 | 3 | 50
1 | 1 | 1 | 5 | 50
1 | 1 | 1 | 7 | 50
1 | 1 | 1 | 9 | 50
1 | 1 | 1 | | 250
1 | 1 | 2 | 0 | 50
1 | 1 | 2 | 2 | 50
1 | 1 | 2 | 4 | 50
1 | 1 | 2 | 6 | 50
1 | 1 | 2 | 8 | 50
1 | 1 | 2 | | 250
1 | 1 | 3 | 1 | 50
1 | 1 | 3 | 3 | 50
1 | 1 | 3 | 5 | 50
1 | 1 | 3 | 7 | 50
1 | 1 | 3 | 9 | 50
1 | 1 | 3 | | 250
1 | 1 | | 0 | 100
1 | 1 | | 1 | 100
1 | 1 | | 2 | 100
1 | 1 | | 3 | 100
1 | 1 | | 4 | 100
1 | 1 | | 5 | 100
1 | 1 | | 6 | 100
1 | 1 | | 7 | 100
1 | 1 | | 8 | 100
1 | 1 | | 9 | 100
1 | 1 | | | 1000
2 | 2 | 0 | 0 | 50
2 | 2 | 0 | 2 | 50
2 | 2 | 0 | 4 | 50
2 | 2 | 0 | 6 | 50
2 | 2 | 0 | 8 | 50
2 | 2 | 0 | | 250
2 | 2 | 1 | 1 | 50
2 | 2 | 1 | 3 | 50
2 | 2 | 1 | 5 | 50
2 | 2 | 1 | 7 | 50
2 | 2 | 1 | 9 | 50
2 | 2 | 1 | | 250
2 | 2 | 2 | 0 | 50
2 | 2 | 2 | 2 | 50
2 | 2 | 2 | 4 | 50
2 | 2 | 2 | 6 | 50
2 | 2 | 2 | 8 | 50
2 | 2 | 2 | | 250
2 | 2 | 3 | 1 | 50
2 | 2 | 3 | 3 | 50
2 | 2 | 3 | 5 | 50
2 | 2 | 3 | 7 | 50
2 | 2 | 3 | 9 | 50
2 | 2 | 3 | | 250
2 | 2 | | 0 | 100
2 | 2 | | 1 | 100
2 | 2 | | 2 | 100
2 | 2 | | 3 | 100
2 | 2 | | 4 | 100
2 | 2 | | 5 | 100
2 | 2 | | 6 | 100
2 | 2 | | 7 | 100
2 | 2 | | 8 | 100
2 | 2 | | 9 | 100
2 | 2 | | | 1000
(70 rows)
select array(select row(v.a,s1.*) from (select two,four, count(*) from onek group by cube(two,four) order by two,four) s1) from (values (1),(2)) v(a);