zhztheplayer commented on code in PR #10763:
URL: 
https://github.com/apache/incubator-gluten/pull/10763#discussion_r2371787700


##########
gluten-core/src/main/scala/org/apache/gluten/extension/columnar/transition/package.scala:
##########
@@ -65,11 +65,11 @@ package object transition {
     }
   }
 
-  // Extractor for Gluten's C2C
+  // Extractor for Gluten's C2C with different convention
   object ColumnarToColumnarLike {
     def unapply(plan: SparkPlan): Option[SparkPlan] = {
       plan match {
-        case c2c: ColumnarToColumnarTransition =>
+        case c2c: ColumnarToColumnarTransition if !c2c.isSameConvention =>

Review Comment:
   Currently `VeloxResizeBatchesExec` is added by rule 
https://github.com/apache/incubator-gluten/blob/cd2c0cca9b9478a050bfbb90f15e75f99e7adcd2/backends-velox/src/main/scala/org/apache/gluten/extension/AppendBatchResizeForShuffleInputAndOutput.scala#L31-L59
 without costers involved. Am I missing something? How is it eliminated after 
being added by the rule?



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