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https://issues.apache.org/jira/browse/ARROW-8163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Arrow JIRA Bot reassigned ARROW-8163:
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Assignee: (was: Pavel Solodovnikov)
> [C++][Dataset] Allow FileSystemDataset's file list to be lazy
> -------------------------------------------------------------
>
> Key: ARROW-8163
> URL: https://issues.apache.org/jira/browse/ARROW-8163
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.16.0
> Reporter: Ben Kietzman
> Priority: Major
> Labels: dataset
>
> A FileSystemDataset currently requires a full listing of files it contains on
> construction, so a scan cannot start until all files in the dataset are
> discovered. Instead it would be ideal if a large dataset could be constructed
> with a lazy file listing so that scans can start immediately.
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