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From "Mike Matrigali (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3456) Allow removing not null from collumns particpating in unique constraint.
Date Fri, 07 Mar 2008 17:31:46 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mike Matrigali updated DERBY-3456:
----------------------------------

    Description: Enable alter table to change a column that participates in a unique constraint
to allow nulls.

I have committed the derby-3456-Tests_v2.diff and derby-3456v5.diff patches.
I believe these are the only outstanding patches for this issue.  I did a
review of the changes, and ran complete set of tests against ibm15 jvm.  Thanks
to army for providing the initial reviews that led to the complete patch.

> Allow removing not null from collumns particpating in unique constraint.
> ------------------------------------------------------------------------
>
>                 Key: DERBY-3456
>                 URL: https://issues.apache.org/jira/browse/DERBY-3456
>             Project: Derby
>          Issue Type: Sub-task
>          Components: SQL, Store
>    Affects Versions: 10.4.0.0
>         Environment: all
>            Reporter: Anurag Shekhar
>            Assignee: Anurag Shekhar
>         Attachments: altertable.diff, derby-3456-Tests.diff, derby-3456-Tests_v2.diff,
derby-3456v1.diff, derby-3456v2.diff, derby-3456v3.diff, derby-3456v4.diff, derby-3456v5.diff,
setnulltest.diff, upgradetests.diff, upgradetests_v2.diff
>
>
> Enable alter table to change a column that participates in a unique constraint to allow
nulls.

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