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From: Mikhail Khludnev <mkhl@apache.org>
Date: Fri, 2 Dec 2016 10:26:11 +0300
Message-ID: <CAF8TkC4uRk6Wtv_3wt4tHf3tVrROt9onjH0JqooAffWFix9hHw@mail.gmail.com>
Subject: Re: Lucene filter
To: general@lucene.apache.org
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archived-at: Fri, 02 Dec 2016 07:26:16 -0000

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Hello,

I don't think # is supported in query parsers, although it would be great.
So, far I saw them in only in toString().

On Fri, Dec 2, 2016 at 9:30 AM, Bouadjenek mohamed reda <
redateksystem@gmail.com> wrote:

> Hi All,
>
>
> I wanna use a filter into a query (BooleanClause.Occur.FILTER). For
> example, my query is:
>
> #repository:clinicaltrials +title:multipl
>
> It looks like when I build the query from this String, the filter is not
> working. In other words, the total hits in the first example below is
> different from total hits in the second example below. Please, does anyone
> know what wrong with this simple example?
>
> Example 1:
> String query = "#repository:clinicaltrials +title:multipl";
> QueryParser qr = new QueryParser("", new StandardAnalyzer());
> TopDocs hits = is.search(qr.parse(query), 1);
>
> Example 2:
> String[] fields = new String[]{"repository", "title"};
> BooleanClause.Occur[] allflags = new
> BooleanClause.Occur[]{BooleanClause.Occur.FILTER,
> BooleanClause.Occur.MUST};
> String[] query_text = new String[]{"clinicaltrials", "multipl"};
> Query finalQuery = MultiFieldQueryParser.parse(query_text, fields,
> allflags, new StandardAnalyzer());
> TopDocs hits = is.search(finalQuery, 1);
>
>
> thanks,
>
>
> Best,
> reda
>


-- 
Sincerely yours
Mikhail Khludnev

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