QUERY PLAN
Aggregate (cost=357.91..357.92 rows=1 width=8)
-> Sort (cost=357.89..357.89 rows=1 width=308)
Sort Key: i.is_draft DESC, i.has_following_work DESC, i.left_at DESC
-> Group (cost=357.87..357.88 rows=1 width=308)
Group Key: i.id
-> Sort (cost=357.87..357.88 rows=1 width=14)
Sort Key: i.id
-> Seq Scan on tbl_implement_records i (cost=0.00..357.86 rows=1 width=14)
Filter: (case_id = 9249)