QUERY PLAN
Sort (cost=238.99..238.99 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..238.98 rows=1 width=16)
Filter: ((case_id = ANY ('{9259,9253}'::integer[])) AND (engineer_id = 1000) AND (assignment_status = 1))