Hi Bryan, Extension types isn't explicitly called out but https://issues.apache.org/jira/browse/ARROW-1644 (and related subtasks) might be a good place to track this.
Thanks, Micah On Fri, Apr 24, 2020 at 11:13 AM Bryan Cutler <cutl...@gmail.com> wrote: > I've been trying out IO with Arrow's extension types and I was able write a > parquet file but reading it back causes an error: > "pyarrow.lib.ArrowInvalid: Unsupported nested type: ...". Looking at the > code for the parquet reader, it checks nested types and only allows a few > specific ones. Is this a known limitation? I couldn't find a JIRA but I'll > make one if it is. Alternatively, I was able to convert my extension array > to/from a Pandas DataFrame and read/write to a Feather file, which is > awesome - nice work! > > Thanks, > Bryan >
