exmy commented on code in PR #6657:
URL: https://github.com/apache/incubator-gluten/pull/6657#discussion_r1699283944
##########
gluten-celeborn/clickhouse/src/main/scala/org/apache/spark/shuffle/CHCelebornColumnarShuffleWriter.scala:
##########
@@ -71,7 +71,12 @@ class CHCelebornColumnarShuffleWriter[K, V](
}
}
- assert(nativeShuffleWriter != -1L)
+ // If all of the ColumnarBatch have empty rows, the nativeShuffleWriter
still equals -1
Review Comment:
Yes，the logic of invoking `handleEmptyIterator` when `!records.hasNext=true`
is in the `wtite` method of super class `CelebornColumnarShuffleWriter`.
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