jackylee-ch commented on code in PR #51046:
URL: https://github.com/apache/spark/pull/51046#discussion_r2368211599
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sql/core/src/main/scala/org/apache/spark/sql/execution/SparkOptimizer.scala:
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@@ -95,6 +95,7 @@ class SparkOptimizer(
LimitPushDownThroughWindow,
ConstantFolding,
EliminateLimits),
+ Batch("Post Push down for V2 Relations", FixedPoint(1),
PostV2ScanRelationPushDown),
Review Comment:
For FileSource v1, the issue is handled in
[FileSourceStrategy](https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala#L221),
where the necessary columns are pruned and passed to `FileSourceScanExec`.
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