QUERY PLAN
Sort (cost=324.69..324.69 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..324.68 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9260,9258,9257,9256,9255,9249,9077,9254,9020,9002}'::integer[])))