QUERY PLAN
GroupAggregate (cost=109.00..109.17 rows=10 width=12)
Group Key: case_id
-> Sort (cost=109.00..109.02 rows=10 width=4)
Sort Key: case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..108.83 rows=10 width=4)
Filter: ((NOT is_draft) AND (case_id = ANY ('{9249,9014,8949,8675,8534,8461,8454,8421,8418,8411}'::integer[])))