Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/7260#discussion_r34105914
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala ---
@@ -371,7 +371,7 @@ class HiveContext(sc: SparkContext) extends
SQLContext(sc) {
// Note that HiveUDFs will be overridden by functions registered in this
context.
@transient
override protected[sql] lazy val functionRegistry: FunctionRegistry =
- new OverrideFunctionRegistry(new
HiveFunctionRegistry(FunctionRegistry.builtin))
+ new HiveFunctionRegistry(FunctionRegistry.builtin)
--- End diff --
No, it will not throws exception. `HiveFunctionRegistry` seems now is like
a delegation, the function registry actually will apply to
`FunctionRegistry.builtin` directly. And I think that's the original purpose of
the master code. See `UDFSuite`.
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