| Aggregate (cost=56.44..56.45 rows=1 width=8) |
| -> Sort (cost=56.30..56.32 rows=9 width=228) |
| Sort Key: s.created_at |
| -> Group (cost=56.09..56.16 rows=9 width=228) |
| Group Key: s.id, u.id |
| -> Sort (cost=56.09..56.11 rows=9 width=16) |
| Sort Key: s.id, u.id |
| -> Hash Join (cost=8.07..55.95 rows=9 width=16) |
| Hash Cond: (s.head_of = u.id) |
| -> Seq Scan on tbl_tasks s (cost=0.00..47.73 rows=57 width=24) |
| Filter: ((parent_id IS NULL) AND (status = '0'::smallint)) |
| -> Hash (cost=7.80..7.80 rows=22 width=4) |
| -> Seq Scan on tbl_users u (cost=0.00..7.80 rows=22 width=4) |
| Filter: (department_id = 10) |