viirya commented on issue #27702: [SPARK-30955][SQL] Exclude Generate output when aliasing in nested column pruning URL: https://github.com/apache/spark/pull/27702#issuecomment-591800373 > how does this relate to #27517? This is to fix a bug when pruning nested column in Project on top of Generate. #27517 extends the nested column pruning to a single Generate without Project.
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