QUERY PLAN
Sort (cost=431.81..431.81 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..431.80 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9258,9257,9256,9255,9254,9249,9077,9020,9002,8939,8679,8623,8548,8523,8101,7722,6934,6918,6917,6888}'::integer[])))