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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Adding metadata to Lucene indexes?
Date Fri, 04 Nov 2011 07:30:54 GMT
It must be passed to every commit.

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de

> -----Original Message-----
> From: Francisco A. Lozano [mailto:flozano@gmail.com]
> Sent: Friday, November 04, 2011 7:19 AM
> To: java-user@lucene.apache.org
> Subject: Re: Adding metadata to Lucene indexes?
> 
> This metadata Map needs to be written on every commit, or if I just use plain
> commit() without the Map<> it keeps the old values?
> 
> 
> Francisco A. Lozano
> 
> 
> 
> On Thu, Nov 3, 2011 at 22:22, Greg Bowyer <gbowyer@shopzilla.com> wrote:
> > I would look at the meta data for this, the magic document is
> > something that I did previously for exactly this problem, and two
> > weeks later we removed it as so much of the code started having to
> > check if the document was the magic document.
> >
> > The only thing with lucene metadata is that solr, currently, does not
> > expose this.
> > On 03/11/11 14:14, Jochen wrote:
> >>
> >> Thanks for the help. Following-up on that, how can I create document
> >> that is not indexed and returned by "normal" searches, and retrieve
> >> it when I need access to my metadata? There seems to be no reliable
> >> "document id" that I can use for this.
> >>
> >> Regards,
> >> Jochen
> >>
> >> On 2011-11-03 16:51:48 +0000, Uwe Schindler said:
> >>
> >>> There is also commit user data (a String-Map). When you commit the
> >>> index writer you can attach that metadata. It's readable by IndexReader.
> >>>
> >>> -----
> >>> Uwe Schindler
> >>> H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de
> >>> eMail: uwe@thetaphi.de
> >>>
> >>>> -----Original Message-----
> >>>> From: Ian Lea [mailto:ian.lea@gmail.com]
> >>>> Sent: Thursday, November 03, 2011 4:05 PM
> >>>> To: java-user@lucene.apache.org
> >>>> Subject: Re: Adding metadata to Lucene indexes?
> >>>>
> >>>> You could add a dedicated document to the index storing whatever
> >>>> you want.
> >>>> There is no requirement for lucene docs to bear any relation to
> >>>> each
> >>>
> >>> other.
> >>>>
> >>>> --
> >>>> Ian.
> >>>>
> >>>>
> >>>> On Wed, Nov 2, 2011 at 10:09 AM,
> Jochen<jochen3941@gmail.com>  wrote:
> >>>>>
> >>>>> Hi,
> >>>>>
> >>>>> is it possible to add metadata to a Lucene index (not to the
> >>>>> indivudual Fields or Documents contained in the index). We need
to
> >>>>> periodically update an index by importing an XML document, and are
> >>>>> looking for a nice cozy place to store an import date and a
> >>>>> checksum that tells us if our input has changed.
> >>>>>
> >>>>> Regards,
> >>>>> Jochen
> >>>>>
> >>>>>
> >>>>>
> >>>>> ------------------------------------------------------------------
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> >>>>>
> >>>>>
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> >>
> >>
> >>
> >> ---------------------------------------------------------------------
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> >>
> >>
> >
> >
> > ---------------------------------------------------------------------
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> >
> >
> 
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