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Date: Thu, 4 Oct 2012 01:12:07 +1100 (NCT)
From: "Yonik Seeley (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Commented] (SOLR-3897) Preserve multi-value fields during
 hit highlighting
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    [ https://issues.apache.org/jira/browse/SOLR-3897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468580#comment-13468580 ] 

Yonik Seeley commented on SOLR-3897:
------------------------------------

bq. And I suppose this necessitates another array level in the response?

I guess it depends on how widely applicable this feature is.
If very few will have a need for it (which I think is the case?) we should try and keep it as unobtrusive as possible.


> Preserve multi-value fields during hit highlighting
> ---------------------------------------------------
>
>                 Key: SOLR-3897
>                 URL: https://issues.apache.org/jira/browse/SOLR-3897
>             Project: Solr
>          Issue Type: Improvement
>          Components: highlighter
>            Reporter: Joel Bernstein
>            Assignee: Yonik Seeley
>            Priority: Minor
>             Fix For: 4.1
>
>         Attachments: SOLR-3897.patch, SOLR-3897.patch
>
>
> The behavior of the default Solr hit highlighter on multi-value fields is to only return the values that have a hit and sort them by score.
> This ticket supplies a patch that adds a new highlight parameter called "preserveMulti" which can be used on a feild by field basis to return all of the values in their original order. If this parameter is used, the values that have a hit are highlighted and the ones that do not contain a hit are returned un-highlighted.
> The "preserveMulti" parameter works with the default standard highlighter and follows the standard highlighting conventions.
> Sample usage for a field called "cat":
> f.cat.hl.preserveMulti=true

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