bkyryliuk commented on pull request #9752:
URL: 
https://github.com/apache/incubator-superset/pull/9752#issuecomment-625430874


   I like the approach, and eventually it would be nice to have that logic in 
the db specific engines.
   I briefly looked into explain and it doesn't look promising, 
https://docs.microsoft.com/en-us/sql/t-sql/queries/explain-transact-sql?view=azure-sqldw-latest
   
   Another potential alternative could be to catch an error and make it more 
user friendly e.g. stating that all columns should be aliased. It would make 
user experience slightly worse in the beginning, but over time should not be an 
issue and may be slightly easier to implement.


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