| GroupAggregate (cost=50.95..51.05 rows=6 width=12) |
| Group Key: parent_id |
| -> Sort (cost=50.95..50.96 rows=6 width=4) |
| Sort Key: parent_id |
| -> Seq Scan on tbl_tasks (cost=0.00..50.87 rows=6 width=4) |
| Filter: (parent_id = ANY ('{1813,1834,1835,1837}'::integer[])) |