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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Array as Lucene Field
Date Mon, 10 Oct 2016 11:29:35 GMT
Hi,

I forgot to mention: Sorting is not possible (at least not in a consistent way), but queries
will work.

Uwe

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de
> From: Uwe Schindler [mailto:uwe@thetaphi.de]
> Sent: Monday, October 10, 2016 1:28 PM
> To: java-user@lucene.apache.org
> Subject: RE: Array as Lucene Field
> 
> Hi,
> 
> You can add multiple values as NumericFields (Lucene 5.x) or PointValues
> (Lucene 6+). Just create a separate field instance and all all of them. The
> same applies for all field types.
> 
> Uwe
> 
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
> 
> > -----Original Message-----
> > From: Alexander Kozitsin [mailto:askozitsin@gmail.com]
> > Sent: Monday, October 10, 2016 12:43 PM
> > To: java-user@lucene.apache.org
> > Subject: Array as Lucene Field
> >
> > Hi everyone!
> >
> > I've faced a problem and had no idea how to resolve it.
> >
> > So, I've got a directory with documents.
> > Each document might contain array of doubles. However, Lucene does not
> > support arrays.
> > What I need is to have an ability to sort documents by this field, search
> > values (with support of basic operations: >,>=, <, <=, =).
> >
> > I know, I can create several documents for each value, but then I will have
> > an issue with retrieving part of data by ranges (e.g.: I need documents
> > from 10 to 20). There will be duplicates and incorrect ranges.
> >
> > Thanks in advacne for your help!
> >
> > Alexander
> 
> 
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