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https://issues.apache.org/jira/browse/ARROW-8283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francois Saint-Jacques updated ARROW-8283:
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Summary: [Python][Dataset] Non-existent files are silently dropped in
pa.dataset.FileSystemDataset (was: [C++/Python][Dataset] Non-existent files
are silently dropped in pa.dataset.FileSystemDataset)
> [Python][Dataset] Non-existent files are silently dropped in
> pa.dataset.FileSystemDataset
> -----------------------------------------------------------------------------------------
>
> Key: ARROW-8283
> URL: https://issues.apache.org/jira/browse/ARROW-8283
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Reporter: Uwe Korn
> Assignee: Francois Saint-Jacques
> Priority: Critical
> Labels: dataset
> Fix For: 1.0.0
>
>
> When passing a list of files to the constructor of
> {{pyarrow.dataset.FileSystemDataset}}, all files that don't exist are
> silently dropped immediately (i.e. no fragments are created for them).
> Instead, I would expect that fragments will be created for them but an error
> is thrown when one tries to read the fragment with the non-existent file.
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