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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2345) Extend geodist() and geofilt to support MultiValued lat long field
Date Mon, 23 May 2011 21:27:47 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038242#comment-13038242
] 

David Smiley commented on SOLR-2345:
------------------------------------

I wouldn't expect to see any progress here any time soon.  The underlying problem is that
the FieldCache architecture is single-valued. Lucene needs a solution to rectify that. From
what I hear, grand plans to rectify this FieldCache limitation in the past have failed (I
don't know why).  But even if this hurdle was resolved, it'd only be half the battle. geodist()
& geofilt() code is built around the notion of multiple fields supplying the lat &
lon (VectorValueSource or something like that), not around it coming from a single field.
 This limitation is at the core of these functions.

By comparison, I've found working on the "Lucene-Spatial-Playground" (temporary name) a breath
of fresh air. Multi-valued fields is not in the FieldCache; we have a spatial substitute for
that. And we don't use geodist() & geofilt() at all.

> Extend geodist() and geofilt to support MultiValued lat long field
> ------------------------------------------------------------------
>
>                 Key: SOLR-2345
>                 URL: https://issues.apache.org/jira/browse/SOLR-2345
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Bill Bell
>
> Extend geodist() and {!geofilt} to support a multiValued lat,long field without using
geohash.
> sort=geodist() asc

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