feat: add user defined table function support #1113
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I'll mark this ready for review once I've had time to write the associated user documentation page, but the core algorithm work should be ready. |
This was referenced Apr 26, 2025
…er more examples than just table providers
…er and table function
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Which issue does this PR close?
This addresses part of #1017
Rationale for this change
This feature exposes the ability to create user defined functions. Support exists in the upstream
datafusionrepository but was not exposed in the Python bindings.What changes are included in this PR?
This adds a new
udtffunction and associated classes for creating user defined table functions. With this change you can either provide a pure python or a rust backed udtf.There are new unit tests provided with this PR and an example usage.
Are there any user-facing changes?
This is a pure addition.