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https://issues.apache.org/jira/browse/ARROW-12487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li updated ARROW-12487:
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Priority: Blocker (was: Major)
> [C++][Dataset] ScanBatches() hangs if there's an error during scanning
> ----------------------------------------------------------------------
>
> Key: ARROW-12487
> URL: https://issues.apache.org/jira/browse/ARROW-12487
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 4.0.0
> Reporter: David Li
> Assignee: David Li
> Priority: Blocker
> Labels: dataset, datasets, pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Errors during scanning aren't properly reported, causing the iterator to hang
> forever.
> This affects ScanBatches() and anything built on top of it (Python
> to_batches, TakeRows, etc)
> Verified on the 4.0.0 RC
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