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Posted to github@arrow.apache.org by "jonkeane (via GitHub)" <gi...@apache.org> on 2025/04/09 18:18:08 UTC

Re: [I] [R] CSV dataset type inference issues with partitioned columns in Arrow [arrow]

jonkeane commented on issue #46013:
URL: https://github.com/apache/arrow/issues/46013#issuecomment-2790567430

   This is similar to / related with #31312 and #34589 yeah?
   
   > 1. Consider having the CSV reader use the explicit schema by default when provided.
   > 2. Improve error messages to suggest using col_types when schema specification fails.
   > 3. Create more consistent behavior between schema and partitioned columns.
   > 4. Better documentation around how schema interacts with partitioning.
   
   Would you be interested in picking one of these and working on a PR that implements it? I definitely agree with the order here where (1) would be great — though might be complicated for various reasons, but at least having (2) or at the least (4) would help folks who are in this situation. (3) would be good, though might suffer from some similar complexities like (1).
   
   


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