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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DERBY-6904) Enhance ALTER TABLE to allow CYCLE option to be changed.
Date Sat, 30 Sep 2017 18:07:00 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Pendleton resolved DERBY-6904.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 10.14.1.0

We have no further work planned for this issue, resolving.

Thanks Vardhan for contributing this nice new feature to Derby!

> Enhance ALTER TABLE to allow CYCLE option to be changed.
> --------------------------------------------------------
>
>                 Key: DERBY-6904
>                 URL: https://issues.apache.org/jira/browse/DERBY-6904
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.13.1.0
>            Reporter: Bryan Pendleton
>            Assignee: Harshvardhan Gupta
>            Priority: Minor
>             Fix For: 10.14.1.0
>
>         Attachments: 6904_2.diff, 6904_3.diff, 6904_4.diff, 6904.diff, columnMismatch,
compareDbName
>
>
> It would be nice to have a variant of the ALTER TABLE statement,
> similar to the SET INCREMENT BY or SET RESTART WITH variants,
> that allowed a user to change the CYCLE option on an IDENTITY column.
> I think that the code flow for this could be closely modelled on the
> code flow for the SET INCREMENT BY variant: after the statement
> is parsed, we simply need to drop and recreate the underlying SEQUENCE
> object with the desired CYCLE option (and preserving all the other
> aspects of the underlying SEQUENCE object.



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