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https://issues.apache.org/jira/browse/ARROW-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16260065#comment-16260065
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ASF GitHub Bot commented on ARROW-1830:
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dbtsai commented on issue #1340: ARROW-1830: [Python] Relax restriction that
Parquet files in a dataset end in .parq or .parquet
URL: https://github.com/apache/arrow/pull/1340#issuecomment-345875664
Thanks for quick PR! LGTM for our use-case.
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> [Python] Error when loading all the files in a dictionary
> ---------------------------------------------------------
>
> Key: ARROW-1830
> URL: https://issues.apache.org/jira/browse/ARROW-1830
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.7.1
> Environment: Python 2.7.11 (default, Jan 22 2016, 08:29:18) +
> pyarrow 0.7.1
> Reporter: DB Tsai
> Assignee: Wes McKinney
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> I can read one parquet file, but when I tried to read all the parquet files
> in a folder, I got an error.
> {code:java}
> >>> data =
> >>> pq.ParquetDataset('./aaa/part-00000-d8268e3a-4e65-41a3-a43e-01e0bf68ee86')
> >>> data = pq.ParquetDataset('./aaa/')
> Ignoring path: ./aaa//part-00000-d8268e3a-4e65-41a3-a43e-01e0bf68ee86
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/usr/local/lib/python2.7/site-packages/pyarrow/parquet.py", line 638,
> in __init__
> self.validate_schemas()
> File "/usr/local/lib/python2.7/site-packages/pyarrow/parquet.py", line 647,
> in validate_schemas
> self.schema = self.pieces[0].get_metadata(open_file).schema
> IndexError: list index out of range
> >>>
> {code}
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