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Posted to reviews@spark.apache.org by viirya <gi...@git.apache.org> on 2017/10/10 00:17:33 UTC
[GitHub] spark pull request #19454: [SPARK-22152][SPARK-18855][SQL] Added flatten fun...
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/19454#discussion_r143606572
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -2543,6 +2543,14 @@ class Dataset[T] private[sql](
mapPartitions(_.flatMap(func))
/**
+ * Returns a new Dataset by by flattening a traversable collection into a collection itself.
+ *
--- End diff --
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