def get_sample_data(self, database, table, column=None):
    column = column or '*'
    return query_and_fetch(self.db, 'SELECT %s FROM %s.%s' % (column, database, table))
dataset/ETHPy150Open cloudera/hue/desktop/libs/notebook/src/notebook/connectors/jdbc.py/Assist.get_sample_data/original