jingz-db commented on code in PR #47878:
URL: https://github.com/apache/spark/pull/47878#discussion_r1815572484
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sql/core/src/main/scala/org/apache/spark/sql/execution/python/TransformWithStateInPandasStateServer.scala:
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@@ -137,11 +148,57 @@ class TransformWithStateInPandasStateServer(
handleStatefulProcessorCall(message.getStatefulProcessorCall)
case StateRequest.MethodCase.STATEVARIABLEREQUEST =>
handleStateVariableRequest(message.getStateVariableRequest)
+ case StateRequest.MethodCase.TIMERREQUEST =>
+ handleTimerRequest(message.getTimerRequest)
case _ =>
throw new IllegalArgumentException("Invalid method call")
}
}
+ private[sql] def handleTimerRequest(message: TimerRequest): Unit = {
+ message.getMethodCase match {
+ case TimerRequest.MethodCase.TIMERVALUEREQUEST =>
+ val timerRequest = message.getTimerValueRequest()
+ timerRequest.getMethodCase match {
+ case TimerValueRequest.MethodCase.GETPROCESSINGTIMER =>
+ val procTimestamp: Long =
+ if (batchTimestampMs.isDefined) batchTimestampMs.get else -1L
+ sendResponseWithLongVal(0, null, procTimestamp)
+ case TimerValueRequest.MethodCase.GETWATERMARK =>
+ val eventTimestamp: Long =
+ if (eventTimeWatermarkForEviction.isDefined)
eventTimeWatermarkForEviction.get
+ else -1L
+ sendResponseWithLongVal(0, null, eventTimestamp)
+ case _ =>
+ throw new IllegalArgumentException("Invalid timer value method
call")
+ }
+
+ case TimerRequest.MethodCase.EXPIRYTIMERREQUEST =>
+ val expiryRequest = message.getExpiryTimerRequest()
+ val expiryTimestamp = expiryRequest.getExpiryTimestampMs
+ if (!expiryTimestampIter.isDefined) {
+ expiryTimestampIter =
+ Option(statefulProcessorHandle.getExpiredTimers(expiryTimestamp))
+ }
+ // expiryTimestampIter could be None in the TWSPandasServerSuite
+ if (!expiryTimestampIter.isDefined ||
!expiryTimestampIter.get.hasNext) {
+ // iterator is exhausted, signal the end of iterator on python client
+ sendResponse(1)
Review Comment:
Answered below in the "interleaved" comments.
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