QUERY PLAN
GroupAggregate (cost=385.46..385.48 rows=1 width=12)
Group Key: case_id
-> Sort (cost=385.46..385.47 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..385.45 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{8277,8260,8274,8273,8246,8272,8271,8267,8264,8263}'::integer[])))