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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/06/29 11:22:20 UTC

[GitHub] [spark] cloud-fan commented on pull request #28935: [SPARK-20680][SQL] Adding HiveVoidType in Spark to be compatible with Hive

cloud-fan commented on pull request #28935:
URL: https://github.com/apache/spark/pull/28935#issuecomment-651049830


   I think we need two changes:
   1. forbid creating tables with void column type. This could be done in the rule `CommandCheck`. We can test it with `spark.catalog.createTable`
   2. support "void" in the parser to fix SPARK-20680. This is only for legacy hive tables, as new tables can't have void type columns.
   
   These two changes can be done with 2 PRs.


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