if ref.OwnPrimaryKey || ref.PrimaryValue != "" {
										association.Error = ref.ForeignKey.Set(association.DB.Statement.Context, fieldValue, reflect.Zero(ref.ForeignKey.FieldType).Interface())
									} else {
										association.Error = ref.ForeignKey.Set(association.DB.Statement.Context, data, reflect.Zero(ref.ForeignKey.FieldType).Interface())
									}
								}
							}
						}
					}
				}
			}

	if len(relation.foreignKeys) > 0 {
		ownForeignFields = []*Field{}
		for _, foreignKey := range relation.foreignKeys {
			if field := schema.LookUpField(foreignKey); field != nil {
				ownForeignFields = append(ownForeignFields, field)
			} else {
				schema.err = fmt.Errorf("invalid foreign key: %s", foreignKey)
				return
			}
		}
	}

	if len(relation.primaryKeys) > 0 {

	}

	for _, ref := range rel.References {
		fkNil[ref.ForeignKey.DBName] = nil

		if ref.OwnPrimaryKey && ref.PrimaryKey != nil {
			ownerPKNames = append(ownerPKNames, ref.PrimaryKey.DBName)
			primaryColumns = append(primaryColumns, clause.Column{Name: ref.PrimaryKey.DBName})
			foreignColumns = append(foreignColumns, clause.Column{Name: ref.ForeignKey.DBName})
		} else if !ref.OwnPrimaryKey && ref.PrimaryKey != nil {