maropu commented on issue #26016: [SPARK-24914][SQL] New statistic to improve data size estimate for columnar storage formats URL: https://github.com/apache/spark/pull/26016#issuecomment-565345548 I looked over the code and I felt this change looks intrusive. For example, as another approach, we cannot just calculate actual table size by summing up UnsafeRow sizes partition-by-parition in `CommandUtils.calculateTotalSize` for analyze commands?
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