juliuszsompolski commented on code in PR #49370:
URL: https://github.com/apache/spark/pull/49370#discussion_r1913629950
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sql/connect/server/src/main/scala/org/apache/spark/sql/connect/service/ExecuteHolder.scala:
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@@ -126,6 +126,18 @@ private[connect] class ExecuteHolder(
runner.start()
}
+ /**
+ * Check if the execution was ended without finalizing the outcome and no
further progress will
+ * be made. If the execution was delegated, this method always returns false.
+ */
+ def isOrphan(): Boolean = {
+ // Check runner.completed() before others as the acquire memory fence in
the method ensures the
+ // current thread to read the last known state of responseObserver
correctly.
+ runner.completed() &&
+ !runner.shouldDelegateCompleteResponse(request) &&
+ !responseObserver.completed()
+ }
Review Comment:
I need to look at it fresh tomorrow because with the new version of the code
I am again confused :-).
This basically checks if the ExecuteThreadRunner exited without sending
onCompleted / onError.
onCompleted is send at the end of executeInternal.
execute is wrapped in various try catches.
What about checking there that executeInternal exited without closing the
stream, and closing the stream with an onError from there? Then the RPC handler
side should get this error via the usual route.
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