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https://issues.apache.org/jira/browse/ARROW-16442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs resolved ARROW-16442.
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Fix Version/s: 8.0.0
(was: 9.0.0)
Resolution: Fixed
Issue resolved by pull request 13052
[https://github.com/apache/arrow/pull/13052]
> [Python] The fragments for ORC dataset return base Fragment instead of
> FileFragment
> -----------------------------------------------------------------------------------
>
> Key: ARROW-16442
> URL: https://issues.apache.org/jira/browse/ARROW-16442
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Joris Van den Bossche
> Assignee: Joris Van den Bossche
> Priority: Major
> Labels: dataset, dataset-dask-integration, pull-request-available
> Fix For: 8.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> From https://github.com/dask/dask/pull/8944#issuecomment-1112620037
> For the ORC file format, we return base {{Fragment}} objects instead of the
> {{FileFragment}} subclass (which has more functionality):
> {code:python}
> import pyarrow as pa
> import pyarrow.dataset as ds
> from pyarrow import orc
> table = pa.table({'a': [1, 2, 3]})
> orc.write_table(table, "test.orc")
> dataset = ds.dataset("test.orc", format="orc")
> fragment = list(dataset.get_fragments())[0]
> {code}
> {code}
> In [9]: fragment
> Out[9]: <pyarrow._dataset.Fragment at 0x7f97b159beb0>
> In [10]: fragment.path
> ---------------------------------------------------------------------------
> AttributeError Traceback (most recent call last)
> <ipython-input-10-6477cc57f0cc> in <module>
> ----> 1 fragment.path
> AttributeError: 'pyarrow._dataset.Fragment' object has no attribute 'path'
> {code}
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