HeartSaVioR commented on code in PR #46569:
URL: https://github.com/apache/spark/pull/46569#discussion_r1599352970
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sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingQueryOptimizationCorrectnessSuite.scala:
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@@ -416,4 +416,39 @@ class StreamingQueryOptimizationCorrectnessSuite extends
StreamTest {
)
}
}
+
+ test("SPARK-48267: regression test, stream-stream union followed by
stream-batch join") {
+ withTempDir { dir =>
+ val input1 = MemoryStream[Int]
+ val input2 = MemoryStream[Int]
+
+ val df1 = input1.toDF().withColumn("code", lit(1))
Review Comment:
Given the sequence of optimizations in reproducer, it wouldn't happen if the
union wasn't eliminated, as the value of 'code' won't be known during
optimization phase. That said, if we call observe() or withWatermark() or etc
in these streaming DF, the bug wouldn't be triggered.
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