QUERY PLAN
Sort (cost=287.79..287.80 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..287.78 rows=1 width=16)
Filter: ((engineer_id = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{8279,8278,5051,8262,8214,8270,8266,8265,8276,8277}'::integer[])))