| Limit (cost=65.73..65.75 rows=10 width=207) |
| -> Sort (cost=65.73..65.80 rows=29 width=207) |
| Sort Key: s.status, u.pinyin_shortcut, s.target_completed_at, s.updated_at DESC |
| -> Group (cost=64.88..65.10 rows=29 width=207) |
| Group Key: s.id, u.id |
| -> Sort (cost=64.88..64.96 rows=29 width=207) |
| Sort Key: s.id, u.id |
| -> Hash Left Join (cost=18.24..64.18 rows=29 width=207) |
| Hash Cond: (s.head_of = u.id) |
| -> Seq Scan on tbl_tasks s (cost=0.00..45.86 rows=29 width=200) |
| Filter: ((parent_id IS NULL) AND (task_group_id = 106)) |
| -> 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) |