anishshri-db commented on code in PR #47778:
URL: https://github.com/apache/spark/pull/47778#discussion_r1721258875
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sql/core/src/test/scala/org/apache/spark/sql/streaming/TransformWithStateSuite.scala:
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@@ -1233,6 +1233,88 @@ class TransformWithStateSuite extends
StateStoreMetricsTest
}
}
+ test("test query restart with new state variable succeeds") {
+ withSQLConf(SQLConf.STATE_STORE_PROVIDER_CLASS.key ->
+ classOf[RocksDBStateStoreProvider].getName,
+ SQLConf.SHUFFLE_PARTITIONS.key ->
+ TransformWithStateSuiteUtils.NUM_SHUFFLE_PARTITIONS.toString) {
+ withTempDir { checkpointDir =>
+ val clock = new StreamManualClock
+
+ val inputData1 = MemoryStream[String]
+ val result1 = inputData1.toDS()
+ .groupByKey(x => x)
+ .transformWithState(new RunningCountStatefulProcessor(),
+ TimeMode.ProcessingTime(),
+ OutputMode.Update())
+
+ testStream(result1, OutputMode.Update())(
+ StartStream(
+ checkpointLocation = checkpointDir.getCanonicalPath,
+ trigger = Trigger.ProcessingTime("1 second"),
+ triggerClock = clock),
+ AddData(inputData1, "a"),
+ AdvanceManualClock(1 * 1000),
+ CheckNewAnswer(("a", "1")),
+ StopStream
+ )
+
+
Review Comment:
nit: extra newline ?
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