[jira] [Updated] (SOLR-5027) CollapsingQParserPlugin

["Joel Bernstein (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-5027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein updated SOLR-5027:
---------------------------------

    Attachment: SOLR-5027.patch

Initial patch for review.
                
> CollapsingQParserPlugin
> -----------------------
>
>                 Key: SOLR-5027
>                 URL: https://issues.apache.org/jira/browse/SOLR-5027
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 5.0
>            Reporter: Joel Bernstein
>            Priority: Minor
>         Attachments: SOLR-5027.patch
>
>
> The CollapsingQParserPlugin is a PostFilter that performs field collapsing.
> This allows field collapsing to be done within the normal search flow.
> Initial syntax:
> fq=(!collapse field=<field_name>}
> All documents in a group will be collapsed to the highest ranking document in the group.

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