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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/07/01 10:55:09 UTC

[GitHub] [spark] viirya commented on issue #24960: [SPARK-28156][SQL] Self-join should not miss cached view

viirya commented on issue #24960: [SPARK-28156][SQL] Self-join should not miss cached view
URL: https://github.com/apache/spark/pull/24960#issuecomment-507216395
 
 
   Deferring `AliasViewChild` to optimizer, could result fail in CheckAnalysis, because non empty `missingInput` of `View` operator.
   
   Shall we make `View` free of the check? Sounds not so good.
   
   

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