//expression : "t1.status in ('NEW','ERROR','FINISHED','SEND_MID','CONFIRM1_ERROR','CONFIRM2_FULL_ERROR') and t1.collection_classes = 'REFUND'"expression:"t1.status in ('NEW','ERROR','FINISHED','SEND_MID','CONFIRM1_ERROR','CONFIRM2_FULL_ERROR') and nvl(t1.cf_item,'-1') <> '0'"