但是我得到了一个错误:对象名'FacetsXrefStaging.Facets.Facets.FacetsXrefImport‘包含的前缀超过了最大数量。最大值为2。iSeed =( SELECT CASE WHEN MAX(FacetsXrefId)为NULL,则-2147483648否则MAX(FacetsXrefId) +1 END FROM FacetsXref.Facets.Facets.FacetsXrefCertified) TRUNCATE TABLE FacetsXrefStaging.