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From "Francisco A. Lozano" <floz...@gmail.com>
Subject Re: Adding metadata to Lucene indexes?
Date Fri, 04 Nov 2011 06:19:22 GMT
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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