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From "Anurag Shekhar (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3330) provide support for unique constraint over nullable columns
Date Thu, 24 Jan 2008 12:01:57 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anurag Shekhar updated DERBY-3330:
----------------------------------

    Attachment: FunctionalSpec_DERBY-3330.html

Revised functional spec from derby-2212

> provide support for unique constraint over nullable columns
> -----------------------------------------------------------
>
>                 Key: DERBY-3330
>                 URL: https://issues.apache.org/jira/browse/DERBY-3330
>             Project: Derby
>          Issue Type: New Feature
>          Components: Store
>    Affects Versions: 10.4.0.0
>         Environment: all
>            Reporter: Anurag Shekhar
>            Assignee: Anurag Shekhar
>         Attachments: derby-3330-testcase.diff, derby-3330.diff, derby-3330v2.diff, derby-3330v3.diff,
derby-3330v4.diff, FunctionalSpec_DERBY-3330.html
>
>
> Allow unique constraint over nullable field. Right now derby support unique constraint
only over not null columns.

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