Re: [Python] Building a list of non-nullable elements

[Micah Kornfield]

I think pyarrow.list_(pyarrow.field("items", pyarrow.int64(),
nullable=False)) should work.

On Fri, Sep 10, 2021 at 12:47 PM Catalin Popescu <cata...@nuna.com> wrote:

> Hello everybody,
>
> I have a question regarding data type building in python. Using: ltype =
> pyarrow.list_(pyarrow.int64()) generates a list of nullable int64
> elements. Ie:
> >>> ltype = pyarrow.list_(pyarrow.int64())
> >>> ltype.value_field.nullable
> True
>
> Once built, this type seems to be immutable. Is there any way to build the
> type of a list with
> non-nullable elements ?
>
> Thanks in advance,
>
> cp
>
>