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Posted to issues@impala.apache.org by "Jinchul Kim (JIRA)" <ji...@apache.org> on 2017/11/09 01:22:01 UTC

[jira] [Created] (IMPALA-6175) Default seed of rand/random is fixed to zero

Jinchul Kim created IMPALA-6175:
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             Summary: Default seed of rand/random is fixed to zero
                 Key: IMPALA-6175
                 URL: https://issues.apache.org/jira/browse/IMPALA-6175
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
            Reporter: Jinchul Kim
            Priority: Minor


Impala internally defines default seed is zero. It means rand(0) shows same result of rand(). the DBMSes(e.g. Postgres, MySQL) use random seed by default.



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