[GitHub] [spark] MaxGekk commented on a change in pull request #24173: [SPARK-27237][SS] Introduce State schema validation among query restart

[GitBox <gi...@apache.org>]

MaxGekk commented on a change in pull request #24173:
URL: https://github.com/apache/spark/pull/24173#discussion_r775788368



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File path: sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingAggregationSuite.scala
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@@ -753,6 +755,89 @@ class StreamingAggregationSuite extends StateStoreMetricsTest with Assertions {
     )
   }
 
+  testQuietlyWithAllStateVersions("changing schema of state when restarting query",

Review comment:
       @HeartSaVioR FYI, the test is flaky. It fails sometimes in my PRs:
   ```
   [info] - changing schema of state when restarting query - state format version 1 *** FAILED *** (915 milliseconds)
   [info]   Error while checking stream failure: stateSchemaExc.isDefined was false
   [info]   org.scalatest.Assertions.newAssertionFailedException(Assertions.scala:472)
   [info]   	org.scalatest.Assertions.newAssertionFailedException$(Assertions.scala:471)
   [info]   	org.scalatest.Assertions$.newAssertionFailedException(Assertions.scala:1231)
   ```




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