Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/22402#discussion_r217440426
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingQuerySuite.scala
---
@@ -460,9 +460,9 @@ class StreamingQuerySuite extends StreamTest with
BeforeAndAfter with Logging wi
val streamingInputDF =
createSingleTriggerStreamingDF(streamingTriggerDF).toDF("value")
val progress =
getFirstProgress(streamingInputDF.join(streamingInputDF, "value"))
- assert(progress.numInputRows === 20) // data is read multiple times in
self-joins
--- End diff --
So IIUC in this line, the EXCHANGE_REUSE_ENABLED == true, and its not read
twice actually?
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