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https://issues.apache.org/jira/browse/SOLR-4329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955994#comment-13955994
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Ishan Chattopadhyaya commented on SOLR-4329:
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I am interested in unblocking the possible optimizations in spatial that would
be possible if docValues from the multivalued shape field can be created and
used. Specifically, I'm interested in a strategy that uses recursive spatial
prefix tree as well as the docvalues to better resolve the boundary cases while
matching shapes.
> Have DocumentBuilder give value collections to the FieldType
> ------------------------------------------------------------
>
> Key: SOLR-4329
> URL: https://issues.apache.org/jira/browse/SOLR-4329
> Project: Solr
> Issue Type: New Feature
> Components: update
> Reporter: David Smiley
> Assignee: David Smiley
> Fix For: 4.8
>
> Attachments: DocumentBuilder.java, SOLR-4329.patch
>
>
> I'd like to write a multi-value-configured FieldType that can return a
> DocValue Field from its createFields(). Since DocValues holds a single value
> per document for a field, you can only have one. However
> FieldType.createFields() is invoked by the DocumentBuilder once per each
> value being indexed.
> FYI the reason I'm asking for this is for a multi-valued spatial field to
> store its points in DocValues.
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