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From "no spam" <mrs.nos...@gmail.com>
Subject Re: lucene search options
Date Sat, 06 Dec 2008 17:19:36 GMT
We are converting a User Interface query to lucene on the back end. It has
recently come up that users want to do some negative only queries like NOT
"jakarta apache". What is an efficient way to do this? We do know what field
they are specifying, ie -field1:jakarta

On Mon, Jun 23, 2008 at 2:53 AM, Aditi Goyal <aditigupta20@gmail.com> wrote:

> Thank you Allahbaksh for taking so much pains. The link says it cannot be
> used alone.
>
> Note: The NOT operator cannot be used with just one term. For example, the
> following search will return no results:
>
> NOT "jakarta apache"
> Thanks,
> Aditi
>
>
> On Mon, Jun 23, 2008 at 1:10 PM, Allahbaksh Mohammedali Asadullah <
> Allahbaksh_Asadullah@infosys.com> wrote:
>
> > Hi Aditi,
> > You can search using NOT operator. You can go through below link for
> Query
> > details http://lucene.apache.org/java/docs/queryparsersyntax.html
> > Warm Regards,
> > Allahbaksh
> >
> > Allahbaksh Mohammedali Asadullah,
> > Software Engineering & Technology Labs,
> > Infosys Technolgies Limited, Electronics City,
> > Hosur Road, Bangalore 560 100, India.
> > *Board: +91-80-28520261 | Extn: 53915 | Direct: 41173915.
> > Fax: +91-80-28520362 | Mobile: +91-9845505322.
> > http://setlabs/slim/
> > http://allahbaksh.blogspot.com
> >
> >
> > -----Original Message-----
> > From: Aditi Goyal [mailto:aditigupta20@gmail.com]
> > Sent: Monday, June 23, 2008 12:06 PM
> > To: java-user@lucene.apache.org
> > Subject: Re: lucene search options
> >
> > Thanks a lot Daniel, I will try this option. :)
> > Is there a way to search for not equal to query alone?
> >
> > On Mon, Jun 23, 2008 at 12:03 PM, Daniel Noll <daniel@nuix.com> wrote:
> >
> > > On Monday 23 June 2008 16:21:17 Aditi Goyal wrote:
> > > > I think wildcard (*) cannot be used in the beginning :(
> > >
> > > Wrong:
> > >
> > >
> > >
> >
> http://lucene.apache.org/java/2_3_0/api/core/org/apache/lucene/queryParser/QueryParser.html#setAllowLeadingWildcard(boolean)
> <
> http://lucene.apache.org/java/2_3_0/api/core/org/apache/lucene/queryParser/QueryParser.html#setAllowLeadingWildcard%28boolean%29
> >
> > <
> >
> http://lucene.apache.org/java/2_3_0/api/core/org/apache/lucene/queryParser/QueryParser.html#setAllowLeadingWildcard%28boolean%29
> > >
> > >
> > > Daniel
> > >
> > > ---------------------------------------------------------------------
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