QUERY PLAN
Sort (cost=250.17..250.17 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..250.16 rows=1 width=16)
Filter: ((engineer_id = 1015) AND (assignment_status = 1) AND (case_id = ANY ('{9244,9233,9230}'::integer[])))