ckran created PHOENIX-2779:
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             Summary: JOIN on NULL valued columns returns result 
                 Key: PHOENIX-2779
                 URL: https://issues.apache.org/jira/browse/PHOENIX-2779
             Project: Phoenix
          Issue Type: Bug
    Affects Versions: 4.6.0
            Reporter: ckran


A JOIN of two tables with an ON condition for columns where there is no value 
returns those rows as though they were equal. 

Arguably an equality condition NULL=NULL should evaluate as NULL. 



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