JkSelf commented on code in PR #9733:
URL: https://github.com/apache/incubator-gluten/pull/9733#discussion_r2115006289
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gluten-substrait/src/main/scala/org/apache/gluten/execution/WriteFilesExecTransformer.scala:
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@@ -69,6 +71,83 @@ case class WriteFilesExecTransformer(
val caseInsensitiveOptions: CaseInsensitiveMap[String] =
CaseInsensitiveMap(options)
+ private def preProjectionNeeded(): Boolean = {
+ if (partitionColumns == null || partitionColumns.isEmpty) {
Review Comment:
Can we also skip the `partitionColumns.size() == 1` use case?
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