Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9664#discussion_r44714829
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala ---
@@ -454,7 +454,7 @@ class HiveContext private[hive](
// Note that HiveUDFs will be overridden by functions registered in this
context.
@transient
override protected[sql] lazy val functionRegistry: FunctionRegistry =
- new HiveFunctionRegistry(FunctionRegistry.builtin.copy()) {
+ new HiveFunctionRegistry(FunctionRegistry.builtin.copy(), this) {
--- End diff --
@liancheng ah, I just noticed that we override lookupFunction at here and
wrap the `super.lookupFunction(name, children)` in
`executionHive.withHiveState`. Does that already resolve the problem?
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