| GroupAggregate (cost=49.32..49.37 rows=3 width=12) |
| Group Key: parent_id |
| -> Sort (cost=49.32..49.33 rows=3 width=4) |
| Sort Key: parent_id |
| -> Seq Scan on tbl_tasks (cost=0.00..49.30 rows=3 width=4) |
| Filter: (parent_id = ANY ('{1821,1828,1829}'::integer[])) |