lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yonik Seeley <ysee...@gmail.com>
Subject Re: Strange sort error
Date Thu, 14 Apr 2005 23:11:42 GMT
Also, it's more flexible.  You can easily implement stricter checking
on top of a "lax" model (use a term enumerator to see if the field
exists before you call search), but not vice versa.

-Yonik

On 4/14/05, Yonik Seeley <yseeley@gmail.com> wrote:
> Hmmm, that's a great lucene architecture question.
> Should one be allowed to sort on a field that doesn't exist?
> One *can* query on fields that don't exist (and that's correct in my view).
> 
> The thing is, lucene field creation is lazy... just because the field
> doesn't exist now doesn't mean that it won't exist later.  The field
> one is sorting on doesn't even have to exist in all the documents.  I
> think it would be even more confusing for an invalid query suddenly
> becoming a valid query in the future just because someone added a doc
> with that field indexed (esp since that doc may not even match the
> query being sorted).
> 
> In short, I think sorting should act like querying (no exception if
> field doesn't exist yet).
> 
> -Yonik
> 
> On 4/14/05, Daniel Naber <lucenelist@danielnaber.de> wrote:
> > On Thursday 14 April 2005 16:28, Yonik Seeley wrote:
> >
> > > I haven't tried it, but I think the fix should be easy... never throw
> > > that exception.
> >
> > As Lucene does not have the concept of a "warning" I think it should throw
> > exceptions when someone tries to do something that doesn't make sense
> > (even if it's technically possible). And sorting on a field that doesn't
> > exist doesn't seem to make sense.
> >
> > Well, searching on a field that doesn't exist won't give you an exception
> > either. For debugging it would be useful if you'd get an exception instead
> > of no results.
> >
> > Regards
> >  Daniel
> >
> > --
> > http://www.danielnaber.de
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: java-user-help@lucene.apache.org
> >
> >
>

---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-user-help@lucene.apache.org


Mime
View raw message