test_packers.py 文件源码

def test_readonly_axis_blosc_to_sql(self):
        # GH11880
        if not _BLOSC_INSTALLED:
            raise nose.SkipTest('no blosc')
        if not self._SQLALCHEMY_INSTALLED:
            raise nose.SkipTest('no sqlalchemy')
        expected = DataFrame({'A': list('abcd')})
        df = self.encode_decode(expected, compress='blosc')
        eng = self._create_sql_engine("sqlite:///:memory:")
        df.to_sql('test', eng, if_exists='append')
        result = pandas.read_sql_table('test', eng, index_col='index')
        result.index.names = [None]
        assert_frame_equal(expected, result)