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Posted to derby-dev@db.apache.org by "Anurag Shekhar (JIRA)" <ji...@apache.org> on 2008/02/01 13:45:08 UTC
[jira] Updated: (DERBY-3330) provide support for unique constraint
over nullable columns
[ https://issues.apache.org/jira/browse/DERBY-3330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anurag Shekhar updated DERBY-3330:
----------------------------------
Attachment: UniqueConstraint_Implementation.html
Attaching the implementation documents. I will merge it with the functional spec after reviews.
> 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: BTreeController.diff, derby-3330-testcase.diff, derby-3330.diff, derby-3330v2.diff, derby-3330v3.diff, derby-3330v4.diff, FunctionalSpec_DERBY-3330-V2.html, FunctionalSpec_DERBY-3330.html, UniqueConstraint_Implementation.html
>
>
> Allow unique constraint over nullable field. Right now derby support unique constraint only over not null columns.
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