ulysses-you commented on a change in pull request #29502:
URL: https://github.com/apache/spark/pull/29502#discussion_r482053724
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala
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@@ -76,14 +76,15 @@ case class CreateFunctionCommand(
override def run(sparkSession: SparkSession): Seq[Row] = {
val catalog = sparkSession.sessionState.catalog
val func = CatalogFunction(FunctionIdentifier(functionName, databaseName),
className, resources)
+ catalog.loadFunctionResources(resources)
+ // We fail fast if function class is not exists.
+ catalog.requireFunctionClassExists(func)
Review comment:
For a permanent function, does it better cache when query on it? Seems
the most use case is as a Hive client.
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