schema.err = err
		return nil
	}

	if hasPolymorphicRelation(field.TagSettings) {
		schema.buildPolymorphicRelation(relation, field)
	} else if many2many := field.TagSettings["MANY2MANY"]; many2many != "" {
		schema.buildMany2ManyRelation(relation, field, many2many)
	} else if belongsTo := field.TagSettings["BELONGSTO"]; belongsTo != "" {
		schema.guessRelation(relation, field, guessBelongs)
	} else {

				} else {
					association.Error = tx.Where(clause.IN{Column: column, Values: values}).UpdateColumns(updateMap).Error
				}
			}
		case schema.Many2Many:
			var (
				primaryFields, relPrimaryFields     []*schema.Field
				joinPrimaryKeys, joinRelPrimaryKeys []string
				modelValue                          = reflect.New(rel.JoinTable.ModelType).Interface()

	fieldValues := make([]interface{}, len(relForeignFields))

	// clean up old values before preloading
	switch reflectValue.Kind() {
	case reflect.Struct:
		switch rel.Type {
		case schema.HasMany, schema.Many2Many:
			tx.AddError(rel.Field.Set(tx.Statement.Context, reflectValue, reflect.MakeSlice(rel.Field.IndirectFieldType, 0, 10).Interface()))
		default: