[ham] Re: [Zope3-dev] personal conceptual questions

[Gary Poster]

Hi Marcus.  It's not that easy yet.  A unified way to organize indexes 
and ask questions of them have not landed yet.  That's why you're 
frustrated. :-)  SteveA has a pipeline approach that has been cooking 
for several months.  I had a query object approach that could be used to 
power various OQL-type queries such as the one you proposed; maybe that 
will become an available resource within Steve's service when it lands.

For now, you're probably going to have to use some of the lower-level 
approaches that other folks have mentioned.  Nobody thinks this is 
ideal. It's just where we are right now.

Gary


Marcus J. Ertl wrote:
> On Wed, 7 May 2003 09:24:04 -0400, Paul Winkler wrote:
> 
> Hi!
> 
> 
>>what's wrong with building indexes? 
> 
> 
> Nothing!
> 
> 
>>sure, building an index the first
>>time is slow, but after that you can get the catalog to keep itself
>>up to date 
> 
> 
> They told me nothing about catalogs, the gave me as hint, I should use
> btrees to store the information I need, and hold it up to date by using
> events!
> 
> This way, I had to construct a btrees for each "type of search" I want
> to do...
> 
> That's at all not terrible hard to do, but I'm shure, something like
> finding objects is that important, tha a programmer of applications
> shouldn't take care about. Zope should provide him with an easy way to
> do it!
> 
> 
>>results = context.SomeCatalog(owner='myself', workflow_state='pending',
>>                             sort_on = 'bobobase_modification_time')
> 
> 
> If it would be realy that easy, I take back my mail, and start using
> it!
> 
> Bye
>    Marcus
>