[Xapian-discuss] searching through different "fields"?

[Dr.BYTE at web.de]

Sorry for reply out of the list. 

I believe to know what you mean. I tried to index content prefixed using the Termgenerator

$gen = new XapianTermGenerator();
//...other options

$gen->index_text('pizza spaghetti', 1, 'X1');

After this, it should be indexed as you suggest:

X1pizza
X1spaghetti

Searching related users by query:

$query_parser->add_prefix('user_food', 'X1');

$query = new XapianQuery($query_parser->parse_query('user_food:(spaghetti OR pizza)'));

results in:
Parsed query is: Xapian::Query((X1spaghetti:(pos=1) OR X1pizza:(pos=2)))

This seems nice for me, but displays no results :(

> Please keep replies on-list so that others can help you, and benefit
> from the replies.
> 
> On Thu, Aug 14, 2008 at 03:42:38PM +0200, Sven Kummer wrote:
> 
> > i tried out to add terms:
> > $doc->add_term('X1spaghetti pizza');
> > $doc->add_term('X2cars party friends');
> 
> You're adding two terms there where you actually want to add
> five. Ignoring stemming, you want:
> 
> X1spaghetti
> X1pizza
> X2cars
> X2party
> X2friends
> 
> Possibly the easiest way of generating terms is to use the
> TermGenerator. The introductory docs are a little difficult to read as
> they are mostly documenting the changes from previous versions, but
> the API docs should help.
> 
> > $query_parser->add_prefix('user_food', 'X1');
> > $query_parser->add_prefix('user_interessts', 'X2');
> >
> > $query_parser->parse_query('user_interessts:(party OR friends)');
> >
> > but i get no results. query description writes:
> >
> > Parsed query is: Xapian::Query((ZX1spaghetti:(pos=1) OR
> ZX1pizza:(pos=2)))
> 
> Well, it won't be that, it'll be (ZX2party:(pos=1) OR
> ZX2friends:(pos=2)) or something very similar. If you construct terms
> as above, you'll be fine.
> 
> J
> 
> --
> /-------------------------------------------------------------------------
> -\
>   James Aylett                                                  xapian.org
>   james at tartarus.org                               uncertaintydivision.org
> 
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