[GitHub] [samza] srinipunuru opened a new pull request #1060: SAMZA-2230: Support for ANY type arguments in udfs that expect strongly typed arguments

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srinipunuru opened a new pull request #1060: SAMZA-2230: Support for ANY type arguments in udfs that expect strongly typed arguments
URL: https://github.com/apache/samza/pull/1060
 
 
   Calcite and hence Samza SQL supports untyped fields of type SamzaSqlFieldType.ANY. Corresponding java type for such fields is Object. 
   
   When an UDF expects a strongly typed field and when one of the arguments that is passed is untyped (i.e. ANY ) it fails. And calcite doesn't allow casting the ANY to a well defined type like java does.
   
   To fix this we explicitly cast the untyped arguments to the type that the UDF expects as part of the UDF code generation. Also added a test case that fails without this change. 
   
   

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