Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/17182#discussion_r104764398 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala --- @@ -63,7 +63,10 @@ case class CreateFunctionCommand( } else { // For a permanent, we will store the metadata into underlying external catalog. // This function will be loaded into the FunctionRegistry when a query uses it. - // We do not load it into FunctionRegistry right now. + // We do not load it into FunctionRegistry right now. However, we need to validate. + catalog.loadFunctionResources(resources) + catalog.makeFunctionBuilder(functionName, className) --- End diff -- Not sure if this is the right direction, but I think we can refactor the whole permanent function resolution. Let me try it.
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