[Zope] Building a site tree with the ZCatalog

[Garito]

In a context where you need to obtain the whole list the Martijn solutions
sounds better in my ears because the Andreas one do more times the
bottleneck

In a context where you will complete the list as soon as you need (as Zope
Smart Manager) the Andreas one sounds better

Only my point of view ;)

2008/10/21 Andreas Jung <lists at zopyx.com>

> On 21.10.2008 18:25 Uhr, Martijn Pieters wrote:
>
>> On Tue, Oct 21, 2008 at 18:10, Andreas Jung<lists at zopyx.com>  wrote:
>>
>>> You have to split the complete processing over several EPI queries where
>>> a
>>> single query returns all elements with level=1 for a particular
>>> subfolder.
>>> You can sort_on='position' within each query. And paste the results in
>>> some
>>> way together. Nobody said that EPI would solve the problem out-of-the-box
>>> :-)
>>>
>>
>> Right, so with sufficient levels you end up with a *lot* of queries.
>>
>> Why not just query for the whole lot and use one method that returns a
>> (path, position) tuple for a given item, and pass that to the sort
>> function as the key keyword? Should be a lot better performing.
>>
>
>
> If this would be a programming contest then you would cache the results and
> don't care about the performance for the initial calculation.
>
> Andreas
>
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-- 
Mis Cosas
http://blogs.sistes.net/Garito
Zope Smart Manager
http://blogs.sistes.net/Garito/670
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