sarutak commented on issue #25280: [SPARK-28548][SQL] explain() shows wrong result for persisted DataFrames after some operations URL: https://github.com/apache/spark/pull/25280#issuecomment-516012050 @cloud-fan I have already noticed #24654. The problem mentioned in that PR is that pre-analyzed logical plan was always reused and re-analyzed in explain command even though analyzed-logical plan is already materialized. This solution consider that problem. If we have already analyzed-logical plan materialized, we use it otherwise create one.
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