QUERY PLAN
Delete on tbl_erp_inventory_product_sns (cost=0.00..2.80 rows=1 width=6)
-> Seq Scan on tbl_erp_inventory_product_sns (cost=0.00..2.80 rows=1 width=6)
Filter: ((erp_inventory_product_id = 537) AND (erp_purchase_gift_product_sn_id <> ALL ('{17,18,19,20}'::integer[])))