[Zope-dev] Make objectValues return a generator?
Andreas Jung
lists at andreas-jung.com
Fri Aug 5 14:09:21 EDT 2005
--On 4. August 2005 19:01:48 +0300 Petri Savolainen
<petri.savolainen at iki.fi> wrote:
> Am I right in assuming that calls to objectValues etc. still return a
> real sequence of objects loaded in memory from ZODB? How about making
> object* calls return a generator instead? Has this been discussed
> somewhere already? I tried a bit of googling & list-searching but could
> not find much anything on this.
>
If you use objectValues() then you should be aware that it loads every
object from the ZODB. In the rare cases where I use objectValues() I am
usually interested in every object and not only in some objects. As Dieter
noticed implementing the functionality as generator would implement in
incompatible behaviour so -1 for the proprosal changing the method itself.
A dedicated method would be possible if you explain us some usecase where a
generator would be more helpful.
-aj
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