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https://issues.apache.org/jira/browse/ARROW-8744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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QP Hou updated ARROW-8744:
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Component/s: Rust - DataFusion
Priority: Minor (was: Major)
> [Rust] ParquetIterator's next method should be safe to call even after
> reached end of iteration
> -----------------------------------------------------------------------------------------------
>
> Key: ARROW-8744
> URL: https://issues.apache.org/jira/browse/ARROW-8744
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust - DataFusion
> Reporter: QP Hou
> Assignee: QP Hou
> Priority: Minor
>
> Once reached end of iteration, calling next on ParquetIterator will result in
> an error. This is inconvenient in two ways:
> * when shared between multiple threads, only one of the thread will be able
> to terminate without error
> * sender for response_rx cannot terminate the iteration early and free up
> resources, instead, it needs to always wait for signal from request_tx before
> closing up the connection
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