Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/18355#discussion_r122846910
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/state/StateStoreCoordinatorSuite.scala
---
@@ -107,6 +115,43 @@ class StateStoreCoordinatorSuite extends SparkFunSuite
with SharedSparkContext {
}
}
}
+
+ test("query stop deactivates related store providers") {
+ var coordRef: StateStoreCoordinatorRef = null
+ try {
+ val spark = SparkSession.builder().sparkContext(sc).getOrCreate()
+ import spark.implicits._
+ coordRef = spark.streams.stateStoreCoordinator
+ implicit val sqlContext = spark.sqlContext
+ spark.conf.set("spark.sql.shuffle.partitions", "1")
+
+ // Start a query and run a batch to load state stores
+ val inputData = MemoryStream[Int]
+ val aggregated = inputData.toDF().groupBy("value").agg(count("*"))
// stateful query
+ val checkpointLocation = Utils.createTempDir().getAbsoluteFile
+ val query = aggregated.writeStream
+ .format("memory")
+ .outputMode("update")
+ .queryName("query")
+ .option("checkpointLocation", checkpointLocation.toString)
+ .start()
+ inputData.addData(1, 2, 3)
+ query.processAllAvailable()
+
+ // Verify state store has been loaded
+ val stateCheckpointDir =
+
query.asInstanceOf[StreamingQueryWrapper].streamingQuery.lastExecution.checkpointLocation
+ val providerId =
StateStoreProviderId(StateStoreId(stateCheckpointDir, 0, 0), query.runId)
+ assert(coordRef.getLocation(providerId).nonEmpty)
+
+ // Stop and verify whether the stores are deactivated in the
coordinator
+ query.stop()
+ assert(coordRef.getLocation(providerId).isEmpty)
+
--- End diff --
remove this line.
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