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Re: referential integrity (patch included)
- To: Emmanuel Dreyfus <email@example.com>
- Subject: Re: referential integrity (patch included)
- From: Gavin Henry <firstname.lastname@example.org>
- Date: Fri, 06 Jul 2007 09:55:19 +0100
- Cc: email@example.com
- In-reply-to: <20070528202607.GA10131@NetBSD.org>
- Organization: Suretec Systems Ltd.
- References: <1hyowp5.1hs0yp2kgy8egMfirstname.lastname@example.org> <email@example.com> <20070528202607.GA10131@NetBSD.org>
- User-agent: Thunderbird 184.108.40.206 (X11/20070604)
Emmanuel Dreyfus wrote:
> On Fri, May 25, 2007 at 06:55:16PM -0700, Howard Chu wrote:
>>> I have been reading the docs, looking for a way to acheive referential
>>> integrity as it is done in RDBMS.
>> Write a new overlay to do what you want...
> I modified slapo-constraint to get the feature I needed: it is now able
> to verify that an attribute value is bound to the existing values of
> another attribute.
> Attached is a draft patch for review. It works, but there are a few things
> I have been doing without really knowing if it was correct or not, so it
> might be working by accident :-) Is there something wrong in this code?
> Then there is the UI question. For now it's configured in slapd.conf like
> database bdb
> suffix "dc=example,dc=net"
> overlay constraint
> constraint_attribute title key netExampleTitle
> Which means that add and modify on title will fail if the new value is
> not an existing netExampleTitle value. I used the keyword "key" with
> RDBMS referential integrity in mind, but I'm not sure it's that clear
> in this context. Suggestions are welcome.
> The update to man page is missing yet. I know.
> Also, I had trouble understanding the style used in these sources. Is there
> an official style guide for OpenLDAP?
Did you see http://www.openldap.org/devel/contributing.html
> If the approach is okay, I'll make an updated patch based on feedback to
> this one and file an ITS with it.
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