hi Isaac -- you are more than welcome to submit a PR to cause unsigned
types to be written as signed integers when using flavor='spark' from
pyarrow. The simplest thing would be to do the casting of unsigned
types to signed prior to writing the Parquet file

- Wes

On Tue, Oct 29, 2019 at 9:09 AM Isaac Myers
<isaacmy...@protonmail.com.invalid> wrote:
>
> Fields with unsigned types written with Arrow C++ can't be read by PySpark, 
> due to Spark's lack of support unsigned types (per 
> https://issues.apache.org/jira/browse/SPARK-10113). There is already an issue 
> to address the same problem when writing tables with unsigned fields using 
> PyArrow (https://issues.apache.org/jira/browse/ARROW-1988). Are there any 
> plans to address this issue for Arrow C++?
>
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