Re: [CLucene-dev] search in all fields

[Jos v. d. O. <jvd...@gm...>]

2007/2/16, Ben van Klinken <bva...@gm...>:
> possible... maybe by using a blank or null fieldname.
>
> though i still don't see the whole value in it, since you'd lose
> control over the analysers and you'd be searching the key (url/id/etc)
> fields as well

Yes, but you for desktop search you want to search filename too.
I'm not sure how to handle the score in such cases though.

> ben
>
> On 16/02/07, Thomas Busch <tho...@us...> wrote:
> > Hi Jos,
> >
> > you should be able to use the MultiFieldQueryParser to do this.
> >
> > However talking of this I was wondering if it was not much faster
> > to do a scan without field comparison than using the MultiField
> > QueryParser.
> >
> > Ben what do you think ?
> >
> > That could be a cool optimisation.
> >
> > Thomas.
> >
> > > 2007/2/16, Ben van Klinken <bva...@gm...>:
> > >> besides specifying each field seperately, i'm afraid not. but its
> > >> rarely logical to do so, anyway - as far as i can think of.
> > >
> > > It is a very common request for Strigi to search in all fields. Having
> > > read up the lucene fileformat, I see that it would be very efficient
> > > to do this. OR'ing all fields is possible though and would probably
> > > not even be that much slower, but I'm not sure how it's implemented.
> > > Would CLucene scan for the term for each field separately?
> > >
> > > Cheers,
> > > Jos
> > >
> > >>
> > >> ben
> > >>
> > >> On 15/02/07, Jos van den Oever <jvd...@gm...> wrote:
> > >> > Hi All,
> > >> >
> > >> > I was wondering if it is possible to search in all fields at once? The
> > >> > termdictionary file would certainly allow to do that efficiently, but
> > >> > is there a good function for it?
> > >> >
> > >> > Cheers,
> > >> > Jos
> > >> >
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