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 ('{8264,8267,8266,8265,5051,8263,8262,8260,8246,8256}'::integer[])))