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Posted to derby-dev@db.apache.org by "Knut Anders Hatlen (JIRA)" <ji...@apache.org> on 2008/09/30 10:01:45 UTC

[jira] Created: (DERBY-3888) ALTER TABLE ... ADD COLUMN cannot add identity columns

ALTER TABLE ... ADD COLUMN cannot add identity columns
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                 Key: DERBY-3888
                 URL: https://issues.apache.org/jira/browse/DERBY-3888
             Project: Derby
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 10.4.2.0
            Reporter: Knut Anders Hatlen
            Priority: Minor


ALTER TABLE .. ADD COLUMN cannot be used to add an identity column. There is code to handle identity columns, but it is disabled in the parser. See this thread on derby-user:
http://mail-archives.apache.org/mod_mbox/db-derby-user/200708.mbox/%3C46C5DAA9.8080507@sbcglobal.net%3E

The code was disabled for DB2 compatibility. Since DB2 compatibility is not a goal for Derby, we should see if we could re-enable it.

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