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https://issues.apache.org/jira/browse/ARROW-12290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joris Van den Bossche updated ARROW-12290:
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Component/s: Rust
> [Rust][DataFusion] Add input_file_name function
> -----------------------------------------------
>
> Key: ARROW-12290
> URL: https://issues.apache.org/jira/browse/ARROW-12290
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust
> Reporter: Mike Seddon
> Assignee: Mike Seddon
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> For lineage and diffing purposes (used by protocols like DeltaLake) it can be
> useful to know the source of input data for a Dataframe. This adds the
> `input_file_name` function which, like Spark, returns the name of the file
> being read, or NULL if not available.
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