QUERY PLAN
Sort (cost=431.81..431.81 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..431.80 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9259,9258,9257,9256,9255,9254,9253,9250,9249,9243,9242,9245,9240,9247,9246,9244,9241,9239,9237,9238}'::integer[])))