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https://issues.apache.org/jira/browse/ARROW-7208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17150485#comment-17150485
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Krisztian Szucs commented on ARROW-7208:
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[~jorisvandenbossche] is the API identical for the new dataset implementation?
If not it may be better to document the new API rather the old one.
> [Python] Passing directory to ParquetFile class gives confusing error message
> -----------------------------------------------------------------------------
>
> Key: ARROW-7208
> URL: https://issues.apache.org/jira/browse/ARROW-7208
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.15.1
> Reporter: Roelant Stegmann
> Assignee: Krisztian Szucs
> Priority: Major
> Labels: parquet
> Fix For: 1.0.0
>
>
> Somehow have the same errors. We are working with pyarrow 0.15.1, trying to
> access a folder of `parquet` files generated with Amazon Athena.
> ```python
> table2 = pq.read_table('C:/Data/test-parquet')
> ```
> works fine in contrast to
> ```python
> parquet_file = pq.ParquetFile('C:/Data/test-parquet')
> # parquet_file.read_row_group(0)
> ```
> which raises
> `ArrowIOError: Failed to open local file 'C:/Data/test-parquet', error:
> Access is denied.`
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