Re: >= <= filter hangs

[Jon Roberts <jon@jonanddeb.net>]

Howard Chu wrote:
> There is no support for inequality indexing in the current backends. 

ouch, sigh

> This means that the server must inspect every entry in your database 
> that contains the referenced attribute and test them individually....
> it then continues through all the other entries 
> in the database, which is why you get a long delay before the request 
> completes.

Nope. Don't want that.

> In OpenLDAP 2.3 back-bdb has limited support for inequality indexing. It 
> is currently only implemented for generalizedTime and 
> ChangeSequenceNumber syntax. It can probably be supported for a few 
> other integer-type syntaxes without much pain. 

I can do integers. I'd prefer it, actually. I guess I wait until 2.3.

> It cannot be supported on 
> syntaxes that support substrings.

Understood. Thanks again.

Jon Roberts
www.mentata.com