def _drop_indices(self):
        """Drops the database indices relating to n-grams."""
        self._logger.info('Dropping database indices')
        self._conn.execute(constants.DROP_TEXTNGRAM_INDEX_SQL)
        self._logger.info('Finished dropping database indices')
def _drop_indices ( self ) : self . _logger . info ( 'Dropping database indices' ) self . _conn . execute ( constants . DROP_TEXTNGRAM_INDEX_SQL ) self . _logger . info ( 'Finished dropping database indices' )
Drops the database indices relating to n-grams.