[GitHub] [pinot] walterddr commented on pull request #7565: allow queries to missing columns to fill in default value

[GitBox <gi...@apache.org>]

walterddr commented on pull request #7565:
URL: https://github.com/apache/pinot/pull/7565#issuecomment-941155655


   > what do you think about introducing something like IFMISSING or IFNULL similar to this https://www.w3schools.com/sql/sql_isnull.asp
   > 
   > This will also allow us to return the right data type.
   
   Adding this would definition be a nice syntax sugar (and agree with @richardstartin that this is tangential). I think we can go with a more generic `COALESCE(identifier, literal)` solution. what do you think?


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