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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/07/29 08:01:13 UTC
[GitHub] [spark] cloud-fan edited a comment on issue #25280:
[SPARK-28548][SQL] explain() shows wrong result for persisted DataFrames
after some operations
cloud-fan edited a comment 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-515888057
Actually, this does expose a problem. Before #24654, `df.explain` won't materialize the physical plan, but now we do. cc @viirya do you have any ideas? I think this one is hard to fix.
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