col_a col_b col_c col_d col_e col_f col_h col_i col_g
0 <NA> <NA> <NA> <NA> <NA> 1.00 <NA> <NA> <NA>
1 2.00 b 2021-01-02 00:00:00 <NA> <NA> 2.00 TestEnum.VALUE_A <NA> b
2 3.00 d 2021-01-03 00:00:00 2021-04-02 <NA> 3.00 TestEnum.VALUE_B 2021-04-02 00:00:00 d
3 4.00 d 2021-01-04 00:00:00 2021-04-02 <NA> 4.00 TestEnum.VALUE_B 2021-04-02 00:00:00 d