SELECT ifnull(sum(discount_last_money), 0) AS allMoney FROM jsh_depot_head dh WHERE dh.tenant_id = 132 AND 1 = 1 AND dh.type = '入库' AND dh.sub_type = '采购' AND dh.oper_time >= '2020-09-01 00:00:00' AND dh.oper_time <= '2020-09-31 23:59:59' AND ifnull(dh.delete_flag, '0') != '1';