[Zope3-Users] zc.catalog NormalizationWrapper question...

[Thierry Florac]

Le jeudi 18 décembre 2008 à 11:03 -0500, Gary Poster a écrit :
> On Dec 18, 2008, at 9:52 AM, Thierry Florac wrote:
> 
> > Hi,
> >
> > I'm currently using zc.catalog package for value and set indexes on a
> > Zope-3.3 application.
> >
> > I'd also like to use DateTimeValueIndex and DateTimeSetIndex and their
> > normalization wrappers to retrieve informations from date-based  
> > queries,
> > and now just have a small question : in the function which defines  
> > these
> > index (in catalogindex.py), resolution is set to 2 with a comment  
> > which
> > says "Hour - good for per-day searches", while in interfaces.py the
> > resolution of 2 is given for minutes...
> 
> 2 is for minutes.  Doctest confirms.
> 
> comment in catalogindex.py is buggy.  Feel like adjusting?  Perhaps  
> simply noting "per-minute"?  Or perhaps it would be nice to make some  
> constants in interfaces.py around where the vocabulary is made?
> 
> > I understood until now that I should use "0" for date-based indexation
> > and queries...
> 
> I suggest hourly for date-based searches *if multiple time-zones are  
> in effect*, so one person's date would not be the same as someone  
> else's for an event that happens at a particular (UTC) time.
> 
> If you don't care about that use case, 0 should work.

All right !
Many thanks for your precise answer...

It's not a big deal to adjust these small settings, but I don't have any
write access to zc package CVS server...


  Thierry Florac
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