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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3897) Preserve multi-value fields during hit highlighting
Date Tue, 09 Oct 2012 00:20:02 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471974#comment-13471974
] 

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

preserveMulti implies getting values back for every field value, hence we always should regardless
of what snippets is set to.
If we aren't changing the request format, it still seems like the most sane thing is to show
all field values and have exactly one snippet per field value.
                
> 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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