[Fedora-directory-users] question about schema file keywords

[Richard Megginson]

Mike Jackson wrote:

> Dominic Ijichi wrote:
>
>> isn't structural integrity a subset or by-product of schema 
>> checking?  as in
>> isn't the correct hierarchical order of objectclass definition part 
>> of the
>> schema just as the oid type of an attribute is?
>
>
>  You could say that anything which evaluates and constrains object 
> composition rules is "schema checking". What "schema checking" had 
> meant in practice, in the case of both OL and NDS/FDS, was something 
> that 1) did not include structural integrity checking, and 2) could be 
> disabled by the administrator. FDS still works like this. OL changed 
> their interface forcibly, and it had 2 results: 1) people just didn't 
> upgrade past 2.0.x, or 2) people couldn't figure out why their 
> 3rd-party apps suddently stopped working.
>
>  It would be fine, IMO, to also add structural integrity checking to 
> FDS. I am not against the idea at all. What is not fine is when you 
> introduce a new constraint, and at the same time provide no option to 
> disable that new constraint. You can not force a random array of 
> 3rd-party LDAP enabled apps to become "structurally compliant" 
> overnight or even in a year or two.

1) FDS should have the option to enforce structural object classes, off 
by default (at least for 1 or 2 releases).
2) Most objectclasses should be AUXILIARY, not structural, unless they 
subclass an existing structural object class.  Unfortunately, there are 
a lot of structural object classes out there already.

>
>  Yes, there is a workaround for this in OL. It involves creating new 
> schema and doing tricks with subclasses... Certainly not something the 
> newbie admin would understand.
>
> -- 
> mike
>
> -- 
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