[z3-five] five.intid: cool!

[Martijn Faassen]

whit wrote:
> Jim Fulton wrote:
>> whit wrote:
>> ...
>>> I haven't tried it yet ;) but yeah that's the general idea(should also 
>>> allow the z3 reference implementations to be adapted for zope2).   I'm 
>>> using it  with rdflib, but I believe the idea is the same.
>> I'll note in passing that reference systems don't need intids.
>> Integer ids are mainly an optimization for indexing structures
>> because integer ids can be stored and compared more efficiently
>> than key references. This is a trade-off, since key references
>> can be dereferenced more efficiently than integer ids.
>>
>> Many reference systems can and should be implemented on key
>> references directly.
> 
> ah... good to know.  I was wondering about the exact purpose of that 
> indirection while working on this.

I am glad you didn't know, as at least we now have intid support. :)

Regards,

Martijn