| GroupAggregate (cost=146.83..146.87 rows=2 width=12) |
| Group Key: parent_id |
| -> Sort (cost=146.83..146.84 rows=2 width=4) |
| Sort Key: parent_id |
| -> Seq Scan on tbl_tasks (cost=0.00..146.82 rows=2 width=4) |
| Filter: (parent_id = ANY ('{1601,1602}'::integer[])) |