[GLUTEN-7015][VL] Remove udf native registration #7016
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FelixYBW
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Aug 29, 2024
| @@ -10,9 +10,10 @@ parent: /developer-overview/ | |||
| ## Introduction | |||
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| Velox backend supports User-Defined Functions (UDF) and User-Defined Aggregate Functions (UDAF). | |||
| Users can create their own functions using the UDF interface provided in Velox backend and build libraries for these functions. | |||
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Let's mark it as hive UDF support. To Spark UDF registered in java/scala, we still don't have a good way to support.
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FelixYBW
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At runtime, native UDF/UDAF should be registered alongside their Java implementations via CREATE TEMPORARY FUNCTION.
Once registered, Gluten can parse and offload these UDFs to Velox during execution, meanwhile ensuring proper fallback to Java UDFs when necessary.