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From "Grant Ingersoll (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1131) Allow a single field type to index multiple fields
Date Wed, 09 Dec 2009 15:37:18 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788123#action_12788123
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Grant Ingersoll commented on SOLR-1131:
---------------------------------------

{quote}
Regarding polyfields... it's not clear why they are special enough to have to change the IndexSchema?
(IndexSchema.isPolyField, getPolyField, getPolyFieldType, getPolyFieldTypeNoEx, etc). Can't
we just store them as normal field types?
{quote}

My thinking was that a Query Parser or other things might need to know look up this information,
but you are right, I don't have a specific use case for them at the moment.  At the same time,
poly fields _feel_ like a hybrid between regular fields and dynamic fields and thus fit at
the same level they do.

> 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.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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