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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Array as Lucene Field
Date Mon, 10 Oct 2016 11:28:03 GMT
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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