QUERY PLAN
Sort (cost=249.83..249.83 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..249.82 rows=1 width=16)
Filter: ((engineer_id = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{8250,8258,8255,8253,8245,8248}'::integer[])))