BUG: select_column does not preserve the column name · Issue #10392 · pandas-dev/pandas (original) (raw)
In [4]: df = DataFrame({'A' : np.random.randn(10), 'B' : 'foo'})
In [5]: df.to_hdf('test.h5','df',mode='w',format='table',data_columns=True)
# this should have a name of B
In [7]: with pd.HDFStore('test.h5') as store:
print store.select_column('df','B')
...:
0 foo
1 foo
2 foo
3 foo
4 foo
5 foo
6 foo
7 foo
8 foo
9 foo
dtype: object