Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9576#discussion_r44342939
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala ---
@@ -455,7 +455,15 @@ 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()) {
+ override def lookupFunction(name: String, children:
Seq[Expression]): Expression = {
+ // Hive Registry need current database to lookup function
+ // TODO: the current database of executionHive should be
consistent with metadataHive
+ executionHive.withHiveState {
+ super.lookupFunction(name, children)
--- End diff --
Just a note. In `HiveQLDialect`, when we parse a query, we use
`sqlContext.executionHive.withHiveState`. Right now, `create function` is still
broken because the metadata of the function is in metadata hive. However, it is
the work of another PR.
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