| Aggregate (cost=58.33..58.34 rows=1 width=8) |
| -> Sort (cost=58.10..58.14 rows=15 width=228) |
| Sort Key: s.created_at |
| -> Group (cost=57.70..57.81 rows=15 width=228) |
| Group Key: s.id, u.id |
| -> Sort (cost=57.70..57.73 rows=15 width=16) |
| Sort Key: s.id, u.id |
| -> Hash Left Join (cost=9.24..57.40 rows=15 width=16) |
| Hash Cond: (s.head_of = u.id) |
| -> Seq Scan on tbl_tasks s (cost=0.00..48.12 rows=15 width=24) |
| Filter: ((parent_id IS NULL) AND (task_group_id = 203)) |
| -> Hash (cost=7.44..7.44 rows=144 width=4) |
| -> Seq Scan on tbl_users u (cost=0.00..7.44 rows=144 width=4) |