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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/02/11 08:07:31 UTC

[GitHub] mgaido91 commented on issue #23726: [SPARK-26812][SQL] Report correct nullability for complex datatypes in Union

mgaido91 commented on issue #23726: [SPARK-26812][SQL] Report correct nullability for complex datatypes in Union
URL: https://github.com/apache/spark/pull/23726#issuecomment-462244694
 
 
   @cloud-fan I don't think we should fix `Intersect` since in that case the data must be present in both sides so there cannot be items with null if in the first plan (actually either of them) there is none.
   I agree with this being a bug fix for a case which is probably not common.

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