QUERY PLAN
Seq Scan on tbl_pre_sales (cost=0.00..129.05 rows=1 width=24)
Filter: (has_following_work AND (case_id = ANY ('{9258,9257,9256,9255,9254,9249,9077,9020,9002,8939,8679,8623,8548,8523,8101,7722,6934,6918,6917,6888}'::integer[])))