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 = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{9259,9245,9230,9222,9202,9207,9196,9191,9155,9141}'::integer[])))