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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (DERBY-4693) column rename looses 'identity' attribute.
Date Tue, 15 Jun 2010 01:07:14 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Pendleton resolved DERBY-4693.
------------------------------------

    Fix Version/s: 10.6.1.1
                   10.7.0.0
       Resolution: Fixed

Merged the fix to the 10.6 branch as revision 954684, and marked as resolved.


> column rename looses 'identity' attribute.
> ------------------------------------------
>
>                 Key: DERBY-4693
>                 URL: https://issues.apache.org/jira/browse/DERBY-4693
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.1.4, 10.6.1.0
>         Environment: ubuntu, java 1.5
>            Reporter: Brett Sutton
>            Assignee: Bryan Pendleton
>            Priority: Minor
>             Fix For: 10.6.1.1, 10.7.0.0
>
>         Attachments: patch.diff
>
>
> renaming an identity column causes the column to loose its 'identity' attribute.
> you can reproduce the problem as follows:
> CREATE TABLE njr_version ( id INTEGER generated always as identity, databaseVersion INTEGER);
> insert into njr_version (databaseVersion) values (10);
> -- column inserted successfully.
> rename column njr_version.id to idVersion;
> insert into njr_version (databaseVersion) values (10);
> Error: Column 'IDVERSION'  cannot accept a NULL value.
> To compound this problem there is no way to restore the renamed column's identity attribute
as the alter command doesn't let you set an identity attribute. The only work around is to
create a new table and copy the data across.

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