QUERY PLAN
GroupAggregate (cost=445.71..445.73 rows=1 width=12)
Group Key: case_id
-> Sort (cost=445.71..445.72 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..445.70 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{9259,9258,9250,9257,9256,9255,9249,9077,9243,9254}'::integer[])))