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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1131) Allow a single field type to index multiple fields
Date Tue, 22 Dec 2009 03:26:18 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793482#action_12793482
] 

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

> >    It's more of an issue of directly creating fields... that's currently up to the
schema 
> I'm not following. Is the problem in:
[...]
No, I meant directly creating SchemaFields doesn't seem great.  If we put a cache in, it would
bypass that too.

bq. This seems a bit weird (even though I understand why) due to the fact that the other createField
methods actually return Field and not Fieldable. 

If it weren't for back compat, we would have already changed createField to return Fieldable
(and I think there's a SOLR issue somewhere that either does this or depends on it).  Fields
are a lot more limiting than Fieldables (but createField was in Solr before there even was
a Fieldable).

if SOLR-1664 goes ahead it might be a natural place to make everything in SchemaField deal
in Fieldabes?

> 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: diff.patch, SOLR-1131-IndexMultipleFields.patch, SOLR-1131.Mattmann.121009.patch.txt,
SOLR-1131.Mattmann.121109.patch.txt, SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch,
SOLR-1131.patch, SOLR-1131.patch, SOLR-1131.patch, 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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