uncleGen commented on a change in pull request #26162: [SPARK-29438][SS] Use
partition ID of StateStoreAwareZipPartitionsRDD for determining partition ID of
state store in stream-stream join
URL: https://github.com/apache/spark/pull/26162#discussion_r336850996
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingJoinSuite.scala
##########
@@ -712,5 +709,32 @@ class StreamingOuterJoinSuite extends StreamTest with
StateStoreMetricsTest with
assertNumStateRows(total = 2, updated = 2)
)
}
-}
+ test("SPARK-29438: ensure UNION doesn't lead stream-stream join to use
shifted partition IDs") {
+ withSQLConf(AUTO_BROADCASTJOIN_THRESHOLD.key -> "1") {
Review comment:
Would we be better to add some comment here to explain why set
AUTO_BROADCASTJOIN_THRESHOLD with "1", otherwise it maybe a little weird.
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