def sample(self, n=10):
        q = self._query_templates['column']['sample'].format(column=self.name, schema=self.schema,
                                                             table=self.table, n=n)
        return pd.read_sql(q, self._con)[self.name]
Verify that a read from pysam matches a read from the reference server
dataset/ETHPy150Open yhat/db.py/db/db.py/Column.sample--crossover with--dataset/ETHPy150Open ga4gh/server/tests/unit/test_converters.py/TestSamConverter.verifySamRecordsEqual