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https://issues.apache.org/jira/browse/ARROW-11195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Grove reopened ARROW-11195:
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> [Rust] [DataFusion] Built-in table providers should expose relevant fields
> --------------------------------------------------------------------------
>
> Key: ARROW-11195
> URL: https://issues.apache.org/jira/browse/ARROW-11195
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust - DataFusion
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Fix For: 3.0.0
>
>
> For projects that depend on the DataFusion logical plan, there is a breaking
> change currently compared to 2.0.0 where it is not possible to introspect the
> TableScan node for CSV and Parquet files to get the file path and other
> meta-data (such as delimiter for CSV).
> I propose adding public methods to the specific providers so that other
> crates can downcast to specific implementations in order to access this data.
> My specific use case is the ability to serialize a DataFusion logical plan.
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