QUERY PLAN
Sort (cost=325.37..325.38 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..325.36 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9255,9256,9263,9264,9265,9266,9267,9268,9269,9270}'::integer[])))