dbtsai opened a new pull request #26443: [SPARK-29805] [Core] Enable nested schema pruning and nested pruning on expressions by default URL: https://github.com/apache/spark/pull/26443 ### What changes were proposed in this pull request? Enable nested schema pruning and nested pruning on expressions by default. We have been using those features in production in Apple for couple months with great success. For some jobs, we reduce the data reading by more than 8x and 21x faster in wall clock time. ### Why are the changes needed? Better performance. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Existing tests.
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