andygrove commented on code in PR #3858:
URL: https://github.com/apache/datafusion-comet/pull/3858#discussion_r3018701534
##########
spark/src/test/scala/org/apache/comet/exec/CometNativeShuffleSuite.scala:
##########
@@ -474,4 +474,24 @@ class CometNativeShuffleSuite extends CometTestBase with
AdaptiveSparkPlanHelper
}
}
}
+
+ test("native datafusion scan - repartition count") {
+ withTempPath { dir =>
+ withSQLConf(CometConf.COMET_ENABLED.key -> "false") {
+ spark
+ .range(1000)
+ .selectExpr("id", "concat('name_', id) as name")
+ .repartition(100)
+ .write
+ .parquet(dir.toString)
+ }
+ withSQLConf(
+ CometConf.COMET_NATIVE_SCAN_IMPL.key ->
CometConf.SCAN_NATIVE_DATAFUSION,
+ CometConf.COMET_EXEC_SHUFFLE_WITH_ROUND_ROBIN_PARTITIONING_ENABLED.key
-> "true") {
Review Comment:
Is the issue specific to this combination of scan and shuffle?
~`interleave_record_batch` is used in other parts of the shuffle codebase so
those may also need updating?~
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