(9 rows)
-- SRFs are computed after aggregation
+SET enable_hashagg TO 0; -- stable output order
SELECT few.dataa, count(*), min(id), max(id), unnest('{1,1,3}'::int[]) FROM few WHERE few.id = 1 GROUP BY few.dataa;
dataa | count | min | max | unnest
-------+-------+-----+-----+--------
SELECT few.dataa, count(*), min(id), max(id), unnest('{1,1,3}'::int[]) FROM few WHERE few.id = 1 GROUP BY few.dataa, unnest('{1,1,3}'::int[]);
dataa | count | min | max | unnest
-------+-------+-----+-----+--------
- a | 1 | 1 | 1 | 3
a | 2 | 1 | 1 | 1
+ a | 1 | 1 | 1 | 3
(2 rows)
SELECT few.dataa, count(*), min(id), max(id), unnest('{1,1,3}'::int[]) FROM few WHERE few.id = 1 GROUP BY few.dataa, 5;
dataa | count | min | max | unnest
-------+-------+-----+-----+--------
- a | 1 | 1 | 1 | 3
a | 2 | 1 | 1 | 1
+ a | 1 | 1 | 1 | 3
(2 rows)
+RESET enable_hashagg;
-- check HAVING works when GROUP BY does [not] reference SRF output
SELECT dataa, generate_series(1,1), count(*) FROM few GROUP BY 1 HAVING count(*) > 1;
dataa | generate_series | count
SELECT few.id FROM few ORDER BY id, generate_series(1,3) DESC;
-- SRFs are computed after aggregation
+SET enable_hashagg TO 0; -- stable output order
SELECT few.dataa, count(*), min(id), max(id), unnest('{1,1,3}'::int[]) FROM few WHERE few.id = 1 GROUP BY few.dataa;
-- unless referenced in GROUP BY clause
SELECT few.dataa, count(*), min(id), max(id), unnest('{1,1,3}'::int[]) FROM few WHERE few.id = 1 GROUP BY few.dataa, unnest('{1,1,3}'::int[]);
SELECT few.dataa, count(*), min(id), max(id), unnest('{1,1,3}'::int[]) FROM few WHERE few.id = 1 GROUP BY few.dataa, 5;
+RESET enable_hashagg;
-- check HAVING works when GROUP BY does [not] reference SRF output
SELECT dataa, generate_series(1,1), count(*) FROM few GROUP BY 1 HAVING count(*) > 1;