QUERY PLAN
GroupAggregate (cost=362.29..362.31 rows=1 width=12)
Group Key: case_id
-> Sort (cost=362.29..362.30 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..362.28 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{8279,8262,8273,8272,8271,8264,8263}'::integer[])))