QUERY PLAN
Sort (cost=432.81..432.81 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..432.80 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9277,9276,9275,9274,9273,9272,9271,9270,9269,9268,9267,9266,9265,9264,9263,9260,9258,9257,9256,9255}'::integer[])))