}
}

// Update update hook
func Update(config *Config) func(db *gorm.DB) {
	supportReturning := utils.Contains(config.UpdateClauses, "RETURNING")

	return func(db *gorm.DB) {
		if db.Error != nil {
			return
		}

		if db.Statement.Schema != nil {
			for _, c := range db.Statement.Schema.UpdateClauses {
				db.Statement.AddClause(c)
			}
		}

		if db.Statement.SQL.Len() == 0 {
			db.Statement.SQL.Grow(180)

				field.Schema.QueryClauses = append(field.Schema.QueryClauses, fc.QueryClauses(field)...)
			}

			if fc, ok := fieldValue.(UpdateClausesInterface); ok {
				field.Schema.UpdateClauses = append(field.Schema.UpdateClauses, fc.UpdateClauses(field)...)
			}

			if fc, ok := fieldValue.(DeleteClausesInterface); ok {
				field.Schema.DeleteClauses = append(field.Schema.DeleteClauses, fc.DeleteClauses(field)...)
			}
		}

type QueryClausesInterface interface {
	QueryClauses(*Field) []clause.Interface
}

// UpdateClausesInterface update clauses interface
type UpdateClausesInterface interface {
	UpdateClauses(*Field) []clause.Interface
}

// DeleteClausesInterface delete clauses interface
type DeleteClausesInterface interface {
	DeleteClauses(*Field) []clause.Interface