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Date: Fri, 11 Dec 2009 02:20:18 +0000 (UTC)
From: "Yonik Seeley (JIRA)" <jira@apache.org>
To: solr-dev@lucene.apache.org
Subject: [jira] Commented: (SOLR-1131) Allow a single field type to index
 multiple fields
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    [ https://issues.apache.org/jira/browse/SOLR-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789079#action_12789079 ] 

Yonik Seeley commented on SOLR-1131:
------------------------------------

Quick comment based on a spot check of the changes to IndexSchema: rather than make polyField special somehow w.r.t IndexSchema, and add a FieldType.getPolyFieldNames, etc, I had been thinking more along the lines of having an IndexSchema.registerDynamicFieldDefinition - just like the existing registerDynamicCopyField.  This would (optionally) allow any field type to add other definitions to the IndexSchema.  I continue to think it would be good to stay away of special logic for "polyfields" in the IndexSchema.

> Allow a single field type to index multiple fields
> --------------------------------------------------
>
>                 Key: SOLR-1131
>                 URL: https://issues.apache.org/jira/browse/SOLR-1131
>             Project: Solr
>          Issue Type: New Feature
>          Components: Schema and Analysis
>            Reporter: Ryan McKinley
>            Assignee: Grant Ingersoll
>             Fix For: 1.5
>
>         Attachments: SOLR-1131-IndexMultipleFields.patch, SOLR-1131.Mattmann.121009.patch.txt, SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch
>
>
> In a few special cases, it makes sense for a single "field" (the concept) to be indexed as a set of Fields (lucene Field).  Consider SOLR-773.  The concept "point" may be best indexed in a variety of ways:
>  * geohash (sincle lucene field)
>  * lat field, lon field (two double fields)
>  * cartesian tiers (a series of fields with tokens to say if it exists within that region)

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