[jira] [Created] (ARROW-1830) [Python] Error when loading all the files in a dictionary

["DB Tsai (JIRA)" <ji...@apache.org>]

DB Tsai created ARROW-1830:
------------------------------

             Summary: [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


I can read one parquet file, but when I tried to read all the parquet files in a folder, I got an error.

{code:python}
>>> 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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