我有这样的代码。DELIMITER$$CREATEPROCEDURE`sp_deleteOrderData`(orderidBIGINT(11))BEGINDECLAREshipmentnumbersVARCHAR(1000);DECLAREcartonidVARCHAR(1000);SELECTGROUP_CONCAT(a_shipmentid)FROMt_shipmentWHEREa_orderid=orderidINTOshipmentnumbers;SELECTGROUP_CONCAT(a_cartonid)FROMt_cartonWHEREa_shipmentidIN(shi