HeartSaVioR commented on a change in pull request #28975:
URL: https://github.com/apache/spark/pull/28975#discussion_r451836861
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File path:
sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingJoinSuite.scala
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@@ -996,4 +997,47 @@ class StreamingOuterJoinSuite extends StreamTest with
StateStoreMetricsTest with
)
}
}
+
+ test("SPARK-32148 stream-stream join regression on Spark 3.0.0") {
+ val input1 = MemoryStream[(Timestamp, String, String)]
+ val df1 = input1.toDF
+ .selectExpr("_1 as eventTime", "_2 as id", "_3 as comment")
Review comment:
I guess it's pretty much simpler and more readable than
`select('_1.as("eventTime"), '_2.as("id"), '_3.as("comment"))` (or even with
col(...) if ' notation doesn't work for _1, _2, _3).
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