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https://issues.apache.org/jira/browse/SOLR-5170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15812871#comment-15812871
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Jeff Wartes commented on SOLR-5170:
-----------------------------------
It's coming up on two years, and I'm aware there have been some significant
changes to areas like docvalues and geospatial since the last update to this
issue.
What's the state of the world now?
If you have entities with multiple locations, and you want to filter and sort,
is this patch still the highest-performance option available? I'm more willing
to give up on the real-time-friendliness these days, if that changes the answer.
> Spatial multi-value distance sort via DocValues
> -----------------------------------------------
>
> Key: SOLR-5170
> URL: https://issues.apache.org/jira/browse/SOLR-5170
> Project: Solr
> Issue Type: New Feature
> Components: spatial
> Reporter: David Smiley
> Assignee: David Smiley
> Attachments: SOLR-5170_spatial_multi-value_sort_via_docvalues.patch,
> SOLR-5170_spatial_multi-value_sort_via_docvalues.patch,
> SOLR-5170_spatial_multi-value_sort_via_docvalues.patch.txt
>
>
> The attached patch implements spatial multi-value distance sorting. In other
> words, a document can have more than one point per field, and using a
> provided function query, it will return the distance to the closest point.
> The data goes into binary DocValues, and as-such it's pretty friendly to
> realtime search requirements, and it only uses 8 bytes per point.
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