polars.exceptions.DuplicateError

exception polars.exceptions.DuplicateError

Исключение, возникающее при дублировании имени столбца.

Примеры

>>> df = pl.DataFrame({"a": [1, 1, 1]})
>>> pl.concat([df, df], how="horizontal", strict=True)
polars.exceptions.DuplicateError: unable to hstack, column with name "a" already exists

© 2020 Ritchie Vink
© 2022 Polars contributors
Licensed under the MIT License.
https://docs.pola.rs/api/python/stable/reference/api/polars.exceptions.DuplicateError.html