QUERY PLAN
GroupAggregate (cost=462.68..462.70 rows=1 width=12)
Group Key: case_id
-> Sort (cost=462.68..462.69 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..462.67 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{8280,8279,8277,8278,8276,8274,8272,8273,8271,8270,8267,8266,8265,8264,8262,8263,8256,8258,8255,8250}'::integer[])))