andygrove commented on code in PR #1253:
URL: https://github.com/apache/datafusion-comet/pull/1253#discussion_r1909275211
##########
spark/src/test/scala/org/apache/comet/exec/CometAggregateSuite.scala:
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@@ -89,6 +89,24 @@ class CometAggregateSuite extends CometTestBase with
AdaptiveSparkPlanHelper {
}
}
+ // based on Spark's SQLWindowFunctionSuite test of the same name
+ test("window function: partition and order expressions") {
+ for (shuffleMode <- Seq("auto", "native", "jvm")) {
+ withSQLConf(CometConf.COMET_SHUFFLE_MODE.key -> shuffleMode) {
+ val df =
+ Seq((1, "a", 5), (2, "a", 6), (3, "b", 7), (4, "b", 8), (5, "c", 9),
(6, "c", 10)).toDF(
+ "month",
+ "area",
+ "product")
+ df.createOrReplaceTempView("windowData")
+ checkSparkAnswer(sql("""
Review Comment:
I updated the test. I added assertions to check for the expected shuffle
exchanges and added some notes.
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