JensonChoi commented on code in PR #958:
URL: https://github.com/apache/datafusion-comet/pull/958#discussion_r1837756417
##########
spark/src/test/scala/org/apache/comet/exec/CometExecSuite.scala:
##########
@@ -1707,6 +1707,29 @@ class CometExecSuite extends CometTestBase {
}
}
+ test("SparkToColumnar override node name for row input") {
+ withSQLConf(
+ SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "true",
+ CometConf.COMET_SHUFFLE_MODE.key -> "jvm") {
+ val df = spark
+ .range(1000)
+ .selectExpr("id as key", "id % 8 as value")
+ .toDF("key", "value")
+ .groupBy("key")
+ .count()
+ df.collect()
+
+ val planAfter = df.queryExecution.executedPlan
+ assert(planAfter.toString.startsWith("AdaptiveSparkPlan
isFinalPlan=true"))
+ val adaptivePlan =
planAfter.asInstanceOf[AdaptiveSparkPlanExec].executedPlan
+ val nodeNames = adaptivePlan.collect { case c: CometSparkToColumnarExec
=>
+ c.nodeName
+ }
+ assert(nodeNames.length == 1)
+ assert(nodeNames.head == "CometSparkRowToColumnar")
Review Comment:
Hey @andygrove, I'm a bit stuck on the unit test for
`CometSparkColumnarToColumnar`. I pushed a commit that contains what I've been
working on, so you can take a look. However, I'm getting this error when I run
the unit test:
```
Cause: java.lang.ClassCastException: class
org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to class
org.apache.spark.sql.catalyst.InternalRow
(org.apache.spark.sql.vectorized.ColumnarBatch and
org.apache.spark.sql.catalyst.InternalRow are in unnamed module of loader 'app')
at scala.collection.Iterator$$anon$10.next(Iterator.scala:461)
at
org.apache.spark.sql.execution.SparkPlan.$anonfun$getByteArrayRdd$1(SparkPlan.scala:389)
at org.apache.spark.rdd.RDD.$anonfun$mapPartitionsInternal$2(RDD.scala:891)
at
org.apache.spark.rdd.RDD.$anonfun$mapPartitionsInternal$2$adapted(RDD.scala:891)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:367)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:331)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:92)
at org.apache.spark.TaskContext.runTaskWithListeners(TaskContext.scala:161)
at org.apache.spark.scheduler.Task.run(Task.scala:139)
```
Would appreciate any help. Thank you.
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