Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/20150#discussion_r161426641
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/memory.scala
---
@@ -122,6 +122,11 @@ case class MemoryStream[A : Encoder](id: Int,
sqlContext: SQLContext)
batches.slice(sliceStart, sliceEnd)
}
+ if (newBlocks.isEmpty) {
--- End diff --
DONE
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