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From "Sylvain Leroux (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-735) Need implementation for `ON UPDATE CASCADE`
Date Tue, 16 Mar 2010 10:29:27 GMT

    [ https://issues.apache.org/jira/browse/DERBY-735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12845790#action_12845790
] 

Sylvain Leroux commented on DERBY-735:
--------------------------------------

It does seem to be a desirable feature.

I don't have any idea how much work it is - nor where to start from.
But with some help I could work on it.

- Sylvain

> Need implementation for `ON UPDATE CASCADE`
> -------------------------------------------
>
>                 Key: DERBY-735
>                 URL: https://issues.apache.org/jira/browse/DERBY-735
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.1.2.1
>         Environment: Gentoo Linux, JDK 1.5.0_04
>            Reporter: Igor Galchevsky
>
> Ifound no chance to implement such statement in derby
> CREATE TABLE A (
>     ax INTEGER NOT NULL,
>     PRIMARY KEY(ax)
> );
> CREATE TABLE B (
>     
>     bx INTEGER NOT NULL,
>     
>     FOREIGN KEY (bx)     REFERENCES A (ax)
>     ON UPDATE CASCADE -- can't make this work
>     ON DELETE CASCADE
> );
> Seems `ON UPDATE CASCADE` does not implemented in derby yet.
> P.S. I found this working in HSQL, M$SQL, PostgreSQL... but not in
> debry :(

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