QUERY PLAN
Seq Scan on tbl_pre_sales (cost=0.00..121.27 rows=1 width=24)
Filter: (has_following_work AND (case_id = ANY ('{8280,8279,8277,8278,8276,8274,8272,8273,8271,8270,8267,8266,8265,8264,8262,8263,8256,8258,8255,8250}'::integer[])))