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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-18598) Disallow constraints with EXTERNAL table
Date Thu, 01 Feb 2018 05:59:00 GMT
Vineet Garg created HIVE-18598:
----------------------------------

             Summary: Disallow constraints with EXTERNAL table
                 Key: HIVE-18598
                 URL: https://issues.apache.org/jira/browse/HIVE-18598
             Project: Hive
          Issue Type: Task
          Components: SQL
            Reporter: Vineet Garg
            Assignee: Vineet Garg
         Attachments: HIVE-18598.1.patch

Since Hive do not manage the data for external tables and can not enforce constraints it doesn't
make sense to allow constraints like PRIMARY KEY, NOT NULL etc for such tables.
User can still specify RELY to signal optimizer for constraint related optimizations.



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