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Posted to dev@arrow.apache.org by "George Sakkis (JIRA)" <ji...@apache.org> on 2019/01/28 17:53:00 UTC

[jira] [Created] (ARROW-4406) Ignore "*_$folder$" files on S3

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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