jinchengchenghh commented on code in PR #12726:
URL: https://github.com/apache/gluten/pull/12726#discussion_r4357554128


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gluten-substrait/src/main/scala/org/apache/gluten/execution/BasicScanExecTransformer.scala:
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@@ -115,6 +116,9 @@ trait BasicScanExecTransformer extends LeafTransformSupport 
with BaseDataSource
 
   def getInputStats: Option[InputStats] = Option.empty
 
+  /** Names of the real columns this scan reads from the source, as opposed to 
injected ones. */

Review Comment:
   Please remove readColumnNames,  override neededInputFileRelatedMetadataKeys 
in FileSourceScanExecTransformer



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