// OldVersion returns the old "version" field's value of the Grant entity.
// If the Grant object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
OldVersion returns the old "version" field's value of the Grant entity.
If the Grant object wasn't provided to the builder, the object is fetched from the database.
An error is returned if the mutation operation is not UpdateOne, or the database query fails.
// OldVersion returns the old " version " field ' s value of the Grant entity . // If the Grant object wasn ' t provided to the builder the object is fetched from the database . // An error is returned if the mutation operation is not UpdateOne or the database query fails .
func (m *GrantMutation) OldVersion(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, fmt.Errorf("OldVersion is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, fmt.Errorf("OldVersion requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldVersion: %w", err)
	}
	return oldValue.Version, nil
}
func ( m * GrantMutation ) OldVersion ( ctx context . Context ) ( v string , err error ) { if ! m . op . Is ( OpUpdateOne ) { return v , fmt . Errorf ( " " ) } if m . id == nil || m . oldValue == nil { return v , fmt . Errorf ( " " ) } oldValue , err := m . oldValue ( ctx ) if err != nil { return v , fmt . Errorf ( " " , err ) } return oldValue . Version , nil }
OldVersion returns the old "version" field's value of the Grant entity.
OldVersion returns the old " version " field ' s value of the Grant entity .