Object Relationships (was Re: [Zope3-dev] zwiki: performance of findChildren())

[Shane Hathaway]

Chris Withers wrote:
> Shane Hathaway wrote:
> 
>>
>> I'm looking for a transparent way to execute arbitrary queries in Ape. 
>> The difficult part is providing an interface that a "dumb" ZODB 
>> storage (like FileStorage) can implement.  I want very much to retain 
>> the ability to run an application on either FileStorage or Ape/SQL, 
>> even if the FileStorage version has to spelunk the entire database to 
>> answer queries.
> 
> 
> What about the 'query' method we discussed back in February?

I have since realized I wasn't willing to maintain an interface that 
ZODB was unable to implement.  If there's a query() method that only 
works when you're attached to a relational database, Ape could shift its 
mission from being a data storage impedance matcher to merely another 
object-relational mapping framework.  I think the difference is important.

We've continued the discussion on relationships in zope-dev.  I'm hoping 
we can come up with something that works well with Zope 3, standalone 
ZODB applications, and Ape.

Shane