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https://issues.apache.org/jira/browse/SOLR-3897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472643#comment-13472643
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Joel Bernstein commented on SOLR-3897:
--------------------------------------
This patch looks good to me. I think for consistency, still returning a snippet
for every field even if nothing matches is the desired behavior.
> 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,
> SOLR-3897_snippets.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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