// OldSlug returns the old "slug" field's value of the FactType entity.
// If the FactType 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.
OldSlug returns the old "slug" field's value of the FactType entity.
If the FactType 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.
// OldSlug returns the old " slug " field ' s value of the FactType entity . // If the FactType 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 *FactTypeMutation) OldSlug(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, fmt.Errorf("OldSlug is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, fmt.Errorf("OldSlug requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldSlug: %w", err)
	}
	return oldValue.Slug, nil
}
func ( m * FactTypeMutation ) OldSlug ( 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 . Slug , nil }
OldSlug returns the old "slug" field's value of the FactType entity.
OldSlug returns the old " slug " field ' s value of the FactType entity .