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  1. Apache Arrow
  2. ARROW-12290

[Rust][DataFusion] Add input_file_name function

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • Rust

    Description

      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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            MikeSeddonAU Mike Seddon
            MikeSeddonAU Mike Seddon
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