我有这个代码DELIMITER$$DROPFUNCTIONIFEXISTS`GetNextID`$$CREATEFUNCTION`GetNextID`()RETURNSINTDETERMINISTICBEGINDECLARENextIDINT;SELECTMAX(articleID)+5INTONextIDFROMtable_article;RETURNNextID;END$$DELIMITER;INSERTINTOtable_article(articleID,articleAlias)VALUES(GetNextID(),'TEST');在phpMyAdmin中执行正常，但当我将此