QUERY PLAN
GroupAggregate (cost=102.66..102.78 rows=7 width=12)
Group Key: case_id
-> Sort (cost=102.66..102.68 rows=7 width=4)
Sort Key: case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..102.56 rows=7 width=4)
Filter: ((NOT is_draft) AND (case_id = ANY ('{9262,9261,9260,9258,9256,9255,9250}'::integer[])))