[Wasabi Proposal] End user search language

Jean-Francois Dockes jean-francois.dockes at wanadoo.fr
Mon Jan 29 04:33:01 PST 2007

Mikkel Kamstrup Erlandsen writes:
 > 2007/1/29, Jean-Francois Dockes <jean-francois.dockes at wanadoo.fr>:
 > >
 > > Mikkel Kamstrup Erlandsen writes:
 > > > Hi All,
 > > >
 > > > I put together a first take on formalizing an end user search language.
 > > >
 > > > http://wiki.freedesktop.org/wiki/WasabiUserSearchLanguage
 > >
 > > - Which of OR and AND has priority ? (does (A AND B OR C) mean
 > >    ((A AND B) OR C) or (A AND (B OR C)) ?
 > I guess it is standard that AND takes precedence over OR, but maybe it makes
 > sense to reverse that in our case. Think of the case
 > type:audio hendrix OR beatles
 > In this case I would assume the user wants "audio files matching hendrix or
 > beatles", and not "audio files matching hendrix, or anything that matches
 > beatles"... I think it is non-standard however...

Yes, after checking, in C/C++, AND has higger precedence. I could have
sworn that they had equal... And I would'nt dare writing this kind of
expression without parentheses anyway.

In our case, I think that you are right and that it makes more sense to
have OR take precedence, this has my vote.


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