| GroupAggregate (cost=148.35..148.41 rows=3 width=12) |
| Group Key: parent_id |
| -> Sort (cost=148.35..148.36 rows=4 width=4) |
| Sort Key: parent_id |
| -> Seq Scan on tbl_tasks (cost=0.00..148.31 rows=4 width=4) |
| Filter: (parent_id = ANY ('{1586,1585,1584}'::integer[])) |