[Zope] Building a site tree with the ZCatalog

[Andreas Jung]

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
-------------- next part --------------
A non-text attachment was scrubbed...
Name: lists.vcf
Type: text/x-vcard
Size: 330 bytes
Desc: not available
Url : http://mail.zope.org/pipermail/zope/attachments/20081021/614cc24e/attachment.vcf