timsaucer opened a new pull request, #1033:
URL: https://github.com/apache/datafusion-python/pull/1033
# Which issue does this PR close?
This addresses part of #1017 - the scalar UDFs
# Rationale for this change
This change enables users who have written DataFusion scalar UDFs to reuse
them in `datafusion-python` with minimal overhead. They simply need to create a
python object that exposes a PyCapsule that is the `FFI_ScalarUDF`.
# What changes are included in this PR?
Adds a function in ScalarUDF to create from a FFI object.
Add a full example and integration test.
# Are there any user-facing changes?
Existing interfaces are not changed, but additional `ffi_udf` function is
added.
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