Github user gvramana commented on a diff in the pull request:
https://github.com/apache/spark/pull/2802#discussion_r19825518
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala
---
@@ -200,12 +200,13 @@ private[hive] case class HiveGenericUdaf(
@transient
protected lazy val objectInspector = {
- resolver.getEvaluator(children.map(_.dataType.toTypeInfo).toArray)
+ val parameterInfo = new
SimpleGenericUDAFParameterInfo(inspectors.toArray,false,false)
--- End diff --
Actually, It is other way round. GenericUDAFResolver and its method
GenericUDAFEvaluator getEvaluator(TypeInfo[] info) is deprecated and replaced
by GenericUDAFResolver2. AbstractGenericUDAFResolver is for migration.
UDAF function like percentile_approx no longer supports the deprecated
interface. So i have changed this to use
AbstractGenericUDAFResolver(GenericUDAFParameterInfo).
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