Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18544#discussion_r201157378
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveSessionCatalog.scala ---
@@ -129,14 +129,14 @@ private[sql] class HiveSessionCatalog(
Try(super.lookupFunction(funcName, children)) match {
case Success(expr) => expr
case Failure(error) =>
- if (functionRegistry.functionExists(funcName)) {
- // If the function actually exists in functionRegistry, it means
that there is an
- // error when we create the Expression using the given children.
+ if (super.functionExists(name)) {
--- End diff --
This should be replaced by `functionExists(name)`
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