Github user davies commented on a diff in the pull request: https://github.com/apache/spark/pull/11759#discussion_r56455490 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala --- @@ -218,48 +218,64 @@ abstract class SparkPlan extends QueryPlan[SparkPlan] with Logging with Serializ } /** - * Runs this query returning the result as an array. + * Packing the UnsafeRows into byte array for faster serialization. + * The byte arrays are in the following format: + * [size] [bytes of UnsafeRow] [size] [bytes of UnsafeRow] ... [-1] --- End diff -- nvm, you make it as an function.
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