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 = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{9212,9210,9206,9200,9094,9059,8951,8874,8852,8767}'::integer[])))