}

		switch field.IndirectFieldType.Kind() {
		case reflect.Struct:
			relation.Type = HasOne
		case reflect.Slice:
			relation.Type = HasMany
		}
	}

	if schema.err == nil {
		schema.setRelation(relation)
		switch relation.Type {
		case HasOne:
			schema.Relationships.HasOne = append(schema.Relationships.HasOne, relation)
		case HasMany:

}

func (association *Association) Append(values ...interface{}) error {
	values = expandValues(values)

	if association.Error == nil {
		switch association.Relationship.Type {
		case schema.HasOne, schema.BelongsTo:
			if len(values) > 0 {
				association.Error = association.Replace(values...)
			}
		default:
			association.saveAssociation( /*clear*/ false, values...)
		}
	}

	return association.Error

	if uni, ok := uniqueConstraints[name]; ok {
		return &uni, stmt.Table
	}

	getTable := func(rel *schema.Relationship) string {
		switch rel.Type {
		case schema.HasOne, schema.HasMany:
			return rel.FieldSchema.Table
		case schema.Many2Many:
			return rel.JoinTable.Table
		}
		return stmt.Table
	}

	for _, rel := range stmt.Schema.Relationships.Relations {

		}
	}

	assocDB := s.c.g.db.Session(&Session{NewDB: true, Context: ctx}).Model(assocModel).Where(op.Conditions)

	switch rel.Type {
	case schema.HasOne, schema.HasMany:
		assocDB = assocDB.Where("? IN (?)", foreignColumns, base.Select(ownerPKNames))
		switch op.Type {
		case clause.OpUnlink:
			return assocDB.Updates(fkNil).Error
		case clause.OpDelete: