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https://issues.apache.org/jira/browse/DERBY-6904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15902720#comment-15902720
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Harshvardhan Gupta commented on DERBY-6904:
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Thanks Bryan for the inputs. I will be adding the test cases and also the patch
for DERBY-6906 (Allow a GENERATED column to explicitly specify NO CYCLE) in a
couple of days.
> 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
> Priority: Minor
> Attachments: 6904.diff
>
>
> 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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