Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/17678#discussion_r114700907
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/ObjectAggregationIterator.scala
---
@@ -83,6 +85,7 @@ class ObjectAggregationIterator(
override final def next(): UnsafeRow = {
val entry = aggBufferIterator.next()
+ numOutputRows += 1
--- End diff --
This should be after the next line the same as the other
`AggregationIterator`, just in case?
```scala
val res = generateOutput(entry.groupingKey, entry.aggregationBuffer)
numOutputRows += 1
res
```
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