| Limit (cost=65.28..65.30 rows=10 width=203) |
| -> Sort (cost=65.28..65.32 rows=15 width=203) |
| Sort Key: s.status, u.pinyin_shortcut, s.target_completed_at, s.updated_at DESC |
| -> Group (cost=64.87..64.98 rows=15 width=203) |
| Group Key: s.id, u.id |
| -> Sort (cost=64.87..64.91 rows=15 width=203) |
| Sort Key: s.id, u.id |
| -> Hash Left Join (cost=18.24..64.58 rows=15 width=203) |
| Hash Cond: (s.head_of = u.id) |
| -> Seq Scan on tbl_tasks s (cost=0.00..46.30 rows=15 width=196) |
| 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) |