QUERY PLAN
Seq Scan on tbl_pre_sales (cost=0.00..129.30 rows=1 width=24)
Filter: (has_following_work AND (case_id = ANY ('{9277,9276,9275,9274,9273,9272,9271,9270,9269,9268,9267,9266,9265,9264,9263,9260,9258,9257,9256,9255}'::integer[])))