[KinoSearch] question on querying by url
salustri at ryerson.ca
Sat Apr 22 17:38:28 PDT 2006
Yes, I regenerated the entire index from scratch.
Thanks for the explanation! Will keep my eye on it.
Marvin Humphrey wrote:
> On Apr 18, 2006, at 4:46 AM, Filippo A. Salustri wrote:
>> Doesn't this assume the PolyAnalyzer was called? "analyzed" was on
>> originally, but before I did the tests I reported, I'd turned it off
>> for the 'url' field with "analyzed=>0" in spec_field. My
>> understanding is that in that case, the PolyAnalyzer wouldn't be
>> called, even if QueryParser was on duty.
> When you say "turned it off", do you mean that you regenerated the
> entire index from scratch?
> The QueryParser doesn't know whether a field was analyzed or not at
> index-time. Whatever analyzer you supply to QueryParser is always used,
> regardless of whether it is using the default field, or whether it is
> using a field which has it parsed out of a "fieldname:termtext" construct.
> Behind the scenes in the Searcher, when you supply a query string
> instead of a full Query object to search(), it actually creates several
> QueryParsers -- one for each indexed field. Each one of these
> QueryParsers uses the supplied Analyzer. All of the Query objects that
> these QueryParsers generate are fused together into a big BooleanQuery,
> and search() returns the results of that.
> I've now added a new unit test,
> which tests for whether the settings for "analyzed", "analyzer", and
> "indexed" are being obeyed. It hasn't turned up any surprises... so
> far. :) Please let me know if you experience unexpected behavior along
> these lines again.
> Thanks for the feedback,
> Marvin Humphrey
> Rectangular Research
Filippo A. Salustri, Ph.D., P.Eng.
Department of Mechanical and Industrial Engineering
350 Victoria St, Toronto, ON, M5B 2K3, Canada
Tel: 416/979-5000 ext 7749
Email: salustri at ryerson.ca
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