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From "Mike Matrigali (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6576) A immediate Fk constraint blows up iff its referenced PK is deferred and we modify a duplicate key column
Date Thu, 09 Oct 2014 16:04:34 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mike Matrigali updated DERBY-6576:
----------------------------------
    Labels: derby_backport_reject_10_10  (was: )

bug is dependent on deferred constraint work which was introduced in 10.11, settling label
to not backport.

> A immediate Fk constraint blows up iff its referenced PK is deferred and we modify a
duplicate key column
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-6576
>                 URL: https://issues.apache.org/jira/browse/DERBY-6576
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>              Labels: derby_backport_reject_10_10
>             Fix For: 10.11.1.1
>
>         Attachments: derby-6576-2.diff, derby-6576-3.diff, derby-6576-3.status, derby-6576-cascade-setnull.diff,
derby-6576-cascade-setnull.status, derby-6576-forbid-deferred+cascade-set-null-1.diff, derby-6576-forbid-deferred+cascade-set-null-1.status,
derby-6576-repeatable-read.diff, derby-6576.diff, derby-6576.status
>
>
> Similar to the issue in DERBY-6559, except here we modify the key in the referenced table.
This leads Derby to check for any referencing FK and throw, even if there are other (formerly)
duplicate rows that satisfy the FK constraint.



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