code: @Override
  	public int deleteById(GeometryIndexKey id) throws SQLException {
  		int count = 0;
  		if (id != null) {
  			GeometryIndex deleteData = queryForId(id);
  			if (deleteData != null) {
  				count = delete(deleteData);
  			}
  		}
  		return count;
  	}
docs: {@inheritDoc}