Re: Proposing Tracker for inclusion into GNOME 2.18

[Jamie McCracken <jamiemcc blueyonder co uk>]

Ross Burton wrote:
> On Wed, 2006-10-25 at 11:20 +0100, Jamie McCracken wrote:
> > > Not being able to handle multiplicative metadata would make some things
> > > very awkward. For example what should happen with music that has
> > > multiple artists? I think that supporting multiple values for a piece of
> > > metadata, and being able to match any of them would be important for
> > > both the indexing side, and the first-class object side.
> > its not a problem if we store multiple values as a commas separated list 
> > (the values in question would have to be strings)
> >
> > the fulltext index breaks up strings into individual words and indexes 
> > those words so theres no loss of functionality there.
> >
> > Substring searches are supported in our rdf query implementation so you 
> > will be able to search inside them
>
> Substring searches that respect the fact that the particular data its
> looking at is CSV?  What if the value itself contains commas, will they
> be escaped?

I'm thinking more along the lines of using semicolons now as they are 
less common in metadata

> I'm thinking of decent genre support, so multiple genre tags per song
> (as supported in Ogg).  If a song has Song.Genre="Post Rock,Ambient" and
> I search for "rock", will the substring search incorrectly match the
> song?

Yes it will unfortunately - hopefully these corner cases wont be too common

--
Mr Jamie McCracken
http://jamiemcc.livejournal.com/