[jira] [Created] (PHOENIX-4638) string length function returns null for empty string.

[Clive Stellings (JIRA)]

Clive Stellings created PHOENIX-4638:
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             Summary: string length function returns null for empty string.
                 Key: PHOENIX-4638
                 URL: https://issues.apache.org/jira/browse/PHOENIX-4638
             Project: Phoenix
          Issue Type: Bug
    Affects Versions: 4.13.2-cdh5.11.2
            Reporter: Clive Stellings


When you execute length('') at the prompt it returns null when it should 
probably return 0.



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