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 ('{8667,8598,8553,8565,8564,8329,8273,8189,8190,8171}'::integer[])))