gatorsmile commented on issue #27503: [SPARK-30761]SQL] Nested column pruning should not prune on required child outputs in Generate URL: https://github.com/apache/spark/pull/27503#issuecomment-583805748 @viirya How about reverting the original commit https://github.com/apache/spark/commit/a0e63b61e7c5d55ae2a9213b95ab1e87ac7c203c and then consider how to improve the rule?
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