QUERY PLAN
Sort (cost=306.26..306.27 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..306.25 rows=1 width=16)
Filter: ((engineer_id = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{8693,8762,8761,8760,8758,8759,8754,8751,8755,8756}'::integer[])))