| Aggregate (cost=8.07..8.08 rows=1 width=8) |
| -> Sort (cost=7.36..7.48 rows=47 width=253) |
| Sort Key: s.created_at DESC |
| -> HashAggregate (cost=5.59..6.06 rows=47 width=253) |
| Group Key: s.id |
| -> Seq Scan on tbl_operation_tasks s (cost=0.00..5.47 rows=47 width=12) |