George Sakkis created ARROW-4406:
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Summary: Ignore "*_$folder$" files on S3
Key: ARROW-4406
URL: https://issues.apache.org/jira/browse/ARROW-4406
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: George Sakkis
Currently reading parquet files generated by Hadoop (EMR) from S3 fails with
"ValueError: Found files in an intermediate directory" because of the
[_$folder$|http://stackoverflow.com/questions/42876195/avoid-creation-of-folder-keys-in-s3-with-hadoop-emr]
empty files.
The fix should be easy, just an extra condition in
[ParquetManifest._should_silently_exclude|https://github.com/apache/arrow/blob/master/python/pyarrow/parquet.py#L770].
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