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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-534) Support use of the WHEN clause in CREATE TRIGGER statements
Date Mon, 30 Sep 2013 09:01:44 GMT

    [ https://issues.apache.org/jira/browse/DERBY-534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13781684#comment-13781684
] 

ASF subversion and git services commented on DERBY-534:
-------------------------------------------------------

Commit 1527489 from [~knutanders] in branch 'code/trunk'
[ https://svn.apache.org/r1527489 ]

DERBY-534: Support use of the WHEN clause in CREATE TRIGGER statements

Reject references to generated columns in the NEW transition variables
of BEFORE triggers, as required by the SQL standard. See also
DERBY-3948.

> Support use of the WHEN clause in CREATE TRIGGER statements
> -----------------------------------------------------------
>
>                 Key: DERBY-534
>                 URL: https://issues.apache.org/jira/browse/DERBY-534
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Kristian Waagan
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>              Labels: derby_triage10_11
>         Attachments: derby-534-01-a-syntax.diff, derby-534-02-a-refactor.diff, derby-534-03-a-npe-testcase.diff,
derby-534-04-a-referencing.diff, derby-534-05-a-generated-cols.diff, parser.diff, WhenClause.html,
WhenClause.html, WhenClause.html
>
>
> Support use of the WHEN clause in CREATE TRIGGER statements. The clause is described
in the SQL standard (2003) in chapter "11.39 <trigger definition>" under "<triggered
action>".
> There are traces in the code that suggests some work has been done on this earlier. If
anyone knows something about this, please add a comment to this issue.



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