Philipp Moritz created ARROW-17719:
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Summary: [Python] Improve error message when all values in a
column are null in a parquet partition
Key: ARROW-17719
URL: https://issues.apache.org/jira/browse/ARROW-17719
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Affects Versions: 9.0.0
Reporter: Philipp Moritz
Fix For: 10.0.0
There is a good bug report about this in
[https://stackoverflow.com/a/70568419/10891801] and it still seems to be a
problem.
Basically the error message is pretty bad if all values in a given column of a
parquet partition are null. We should either handle this case better or give a
better error message.
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