Github user stanzhai commented on a diff in the pull request:
https://github.com/apache/spark/pull/18544#discussion_r219485843
--- Diff: sql/hive/src/test/scala/org/apache/spark/sql/hive/UDFSuite.scala
---
@@ -193,4 +193,29 @@ class UDFSuite
}
}
}
+
+ test("SPARK-21318: The correct exception message should be thrown " +
+ "if a UDF/UDAF has already been registered") {
+ val UDAFName = "empty"
+ val UDAFClassName =
classOf[org.apache.spark.sql.hive.execution.UDAFEmpty].getCanonicalName
+
+ withTempDatabase { dbName =>
--- End diff --
@cloud-fan I just copied and modified the code from another test case, the
default database works well.
The test case has been simplified now.
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