joinPrimaryKeys = append(joinPrimaryKeys, ref.ForeignKey.DBName)
					} else {
						relPrimaryFields = append(relPrimaryFields, ref.PrimaryKey)
						joinRelPrimaryKeys = append(joinRelPrimaryKeys, ref.ForeignKey.DBName)
					}
				} else {
					tx.Clauses(clause.Eq{Column: ref.ForeignKey.DBName, Value: ref.PrimaryValue})
				}
			}