[jira] Commented: (SOLR-1131) Allow a single field to index multiple fields

["Noble Paul (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12780924#action_12780924 ] 

Noble Paul commented on SOLR-1131:
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Is this a good idea? This creates an extra Object (Field[]) for every Field . For a corner case we are introducing an overhead to all the field types.

Why don't we add a new interface MutlValuedFieldType which extends FieldType for this 

> Allow a single field to index multiple fields
> ---------------------------------------------
>
>                 Key: SOLR-1131
>                 URL: https://issues.apache.org/jira/browse/SOLR-1131
>             Project: Solr
>          Issue Type: New Feature
>          Components: Analysis
>            Reporter: Ryan McKinley
>            Assignee: Grant Ingersoll
>         Attachments: SOLR-1131-IndexMultipleFields.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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