Re: Analyzer don't work with wildcard queries, snowball analyzer.

[Ernesto De Santis]

Hi Erik

Ok, in PrefixQuery cases, non analyze is right.

But you think that non analyze in WildcardQuery is right?

You search "example" and obtain x results.
You search "ex?mple" and don't obtain any result.
This is correct for you?
It is difficult to analyze wildcard queries in lucene code?

Ernesto.

Erik Hatcher escribió:

Wildcard terms simply are not analyzed. How could it be possible to do this? What if I search for "a*" - how could you stem that?

    Erik

On Mar 31, 2005, at 9:51 AM, Ernesto De Santis wrote:

Hi

I get an unexpected behavior when use wildcards in my queries.
I use a EnglishAnalyzer developed with SnowballAnalyzer. version 1.1_dev from Lucene in Action lib.

Analysis case:
When use wildcards in the middle of one word, the word in not analyzed.
Examples:

           QueryParser qp = new QueryParser("body", analyzer);
           Query q = qp.parse("ex?mple");
           String strq = q.toString();
           assertEquals("body:ex?mpl", strq);
//FAIL strq == body:ex?mple

           qp = new QueryParser("body", analyzer);
           q = qp.parse("ex*ple");
           strq = q.toString();
           assertEquals("body:ex*pl", strq);
//FAIL strq == body:ex*ple

With this behavior, the search does not find any document.

Bye
Ernesto.

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Ernesto De Santis - Colaborativa.net
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(S2000AWO) Rosario, SF, Argentina.

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