LuciferYang commented on code in PR #43745:
URL: https://github.com/apache/spark/pull/43745#discussion_r1389713096
##########
connector/connect/client/jvm/src/test/scala/org/apache/spark/sql/connect/client/SparkConnectClientSuite.scala:
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@@ -387,6 +387,33 @@ class SparkConnectClientSuite extends ConnectFunSuite with
BeforeAndAfterEach {
}
assert(dummyFn.counter == 2)
}
+
+ test("SPARK-45871: Client execute iterator.toSeq consumes the reattachable
iterator") {
Review Comment:
hmm... perhaps I misunderstood your point. But if can achieve the same goal,
`iter.foreach (_=>())` should have better performance than 'iter.toBuffer'. It
only iterates through all the data and does not create any collection ..
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