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Re: referential integrity (patch included)

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
> this:
> 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.

Kind Regards,

Gavin Henry.
Managing Director.

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