[Fedora-directory-users] Server Side Sorting limitations/configuration

[Richard Megginson]

Thierry Lanfranchi wrote:

> Sorry for the slow answer, I've been busy reinstalling my dev platform :)
>
> I don't get any error message while using FDS's version of ldapsearch 
> with "-x" option to enable server side sorting, and can't enable 
> debugging as I'd have to recompile the ldapsearch utility with 
> LDAP_DEBUG defined. As I don't have access to all necessary librairies 
> for now, it's not an option.
>
> There's no error message in any of the three logs (access, error and 
> audit).
>
> I can confirm though that when I do a one-letter substring search, the 
> search seems as slow as an unindexed search, so I guess you're right 
> about oneletter searches being non-indexed.
>
> Do you think there is anything I can do to enable oneletter indexes ?

No, the minimum for substring searches is 3 characters, or 2 at the 
beginning or end of a word.

>
> Thanks in advance,
> Thierry Lanfranchi
> (PS: Sorry if my english's not that good, trying to do my best as it's 
> not my mother tongue)

Pas de probleme.

>
> David Boreham a écrit :
>
>> Thierry Lanfranchi wrote:
>>
>>> Is that "not sorting on single letter search" feature wanted (maybe 
>>> even RFC stuff that I haven't read yet), and if so, can I enable 
>>> sorting even in that case, or is it to be considered a strange 
>>> behavior and I need to look for more informations in order to solve 
>>> it ?
>>
>>
>>
>> Yes. One clue might be that a single letter substring search filter 
>> will not be indexed (while a leading two-letter substring
>> search filter will). An unindexed search may not be sortable : it's 
>> been a long time since I messed with this part of the
>> code and without reading it again I'm not sure. Anyway, if you made 
>> the sort control mandatory in your search,
>> the server should respond with an error in the case that it's unable 
>> to sort. Did you see any response control with
>> information like that in it ?
>>
>>
>> -- 
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>> Fedora-directory-users at redhat.com
>> https://www.redhat.com/mailman/listinfo/fedora-directory-users
>>
>>
>
> -- 
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