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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6571) Document deferrable constraints
Date Fri, 23 May 2014 16:53:01 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14007355#comment-14007355
] 

Dag H. Wanvik commented on DERBY-6571:
--------------------------------------

I believe the right term is "deferrable constraints". The short hand "deferred constraints"
really means a "deferrable constraint" that has constraint mode "deferred". C.f. this quote
from the standard:

{quote}
"Every constraint is either deferrable or non-deferrable. Within an SQL-transaction, every
constraint has a
constraint mode; if a constraint is non-deferrable, then its constraint mode is always immediate;
otherwise, it
is either immediate or deferred."
{quote}

Sorry that lack of precision sneaked into the functional specification ;-)


> Document deferrable constraints
> -------------------------------
>
>                 Key: DERBY-6571
>                 URL: https://issues.apache.org/jira/browse/DERBY-6571
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Documentation
>            Reporter: Dag H. Wanvik
>            Assignee: Kim Haase
>             Fix For: 10.11.0.0
>
>         Attachments: DERBY-6571-2.diff, DERBY-6571-2.stat, DERBY-6571-2.zip, DERBY-6571-3.diff,
DERBY-6571-3.stat, DERBY-6571-3.zip, DERBY-6571.diff, DERBY-6571.stat, DERBY-6571.zip
>
>
> The contents of functional specification attached to DERBY-532 should be included in
the documentation.



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