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Posted to dev@hive.apache.org by "Shawn Weeks (JIRA)" <ji...@apache.org> on 2017/11/06 20:45:01 UTC

[jira] [Created] (HIVE-17992) Hive Serdes Should Handle Null Strings Consisently

Shawn Weeks created HIVE-17992:
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             Summary: Hive Serdes Should Handle Null Strings Consisently
                 Key: HIVE-17992
                 URL: https://issues.apache.org/jira/browse/HIVE-17992
             Project: Hive
          Issue Type: Bug
            Reporter: Shawn Weeks
            Priority: Minor


The various text based serdes handle empty strings and null differently. All of them should honor serialization.null.format or another similar mechanism. Currently the default text SerDe and MultiDelimitSerDe conform to the parameter while the RegexSerDe and OpenCSVSerde do not. This leads to awkward filter clauses where you have to remember to both check for null and empty string.



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