| Aggregate (cost=67.09..67.10 rows=1 width=8) |
| -> Sort (cost=66.87..66.90 rows=15 width=231) |
| Sort Key: s.status, u.pinyin_shortcut, s.target_completed_at, s.updated_at DESC |
| -> Group (cost=66.46..66.57 rows=15 width=231) |
| Group Key: s.id, u.id |
| -> Sort (cost=66.46..66.50 rows=15 width=29) |
| Sort Key: s.id, u.id |
| -> Hash Left Join (cost=18.24..66.17 rows=15 width=29) |
| Hash Cond: (s.head_of = u.id) |
| -> Seq Scan on tbl_tasks s (cost=0.00..47.89 rows=15 width=34) |
| Filter: ((parent_id IS NULL) AND (task_group_id = 203)) |
| -> Hash (cost=16.44..16.44 rows=144 width=7) |
| -> Seq Scan on tbl_users u (cost=0.00..16.44 rows=144 width=7) |