Charles Pritchard created HIVE-12954:
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             Summary: NPE with str_to_map on null strings
                 Key: HIVE-12954
                 URL: https://issues.apache.org/jira/browse/HIVE-12954
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.14.0
            Reporter: Charles Pritchard


Running str_to_map on a null string will return a NullPointerException.
Workaround is to use coalesce.



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