[GitHub] spark pull request: [SPARK-9372] [SQL] Filter nulls in Inner joins...

[vidma <gi...@git.apache.org>]

Github user vidma commented on the pull request:

    https://github.com/apache/spark/pull/9451#issuecomment-204493340
  
    @marmbrus pinging you to tag Catalyst plan rewriting guru.
    
    For current inner join PR, there's a flanky test in python, couldn't track it down yet.
    
    For more generic case (next PR), It doesn't seem to be easy not to loose table aliases, and add a randomized spraying column as extra  left join key.
    
    P.S. I'm in SF bay until Fri 8 Apr (better before Thu 9), so I could come over to chat to you guys live. 
    Cheers.


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