| GroupAggregate (cost=147.02..147.08 rows=3 width=12) |
| Group Key: parent_id |
| -> Sort (cost=147.02..147.03 rows=3 width=4) |
| Sort Key: parent_id |
| -> Seq Scan on tbl_tasks (cost=0.00..147.00 rows=3 width=4) |
| Filter: (parent_id = ANY ('{1600,1598}'::integer[])) |