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timsaucertimsaucer
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feat: add FFI support for user defined functions (#1145)
* Intermediate work adding ffi scalar udf * Add scalar UDF and example * Add aggregate udf via ffi * Initial commit for window ffi integration * Remove unused import
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‎docs/source/contributor-guide/ffi.rst‎

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@@ -176,7 +176,7 @@ By convention the ``datafusion-python`` library expects a Python object that has
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``TableProvider`` PyCapsule to have this capsule accessible by calling a function named
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``__datafusion_table_provider__``. You can see a complete working example of how to
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share a ``TableProvider`` from one python library to DataFusion Python in the
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`repository examples folder <https://github.com/apache/datafusion-python/tree/main/examples/ffi-table-provider>`_.
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`repository examples folder <https://github.com/apache/datafusion-python/tree/main/examples/datafusion-ffi-example>`_.
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This section has been written using ``TableProvider`` as an example. It is the first
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extension that has been written using this approach and the most thoroughly implemented.

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