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https://issues.apache.org/jira/browse/SOLR-5973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-5973:
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Description:
This ticket introduces a new RankQuery and MergeStrategy to Solr. By extending
the RankQuery class, and implementing it's interface, you can specify a custom
ranking collector (TopDocsCollector) and distributed merge strategy for a Solr
query.
A new "rq" http parameter was added to support specifying a rank query using a
custom QParserPlugin.
Sample syntax:
{code}
q=*:*&wt=json&indent=true&rq={!rank}
{code}
In the sample above the {code}rq={!rank}{code} points to a QParserPlugin that
returns a RankQuery.
was:
This ticket introduces a new RankQuery and MergeStrategy to Solr. By extending
the RankQuery class, and implementing it's interface, you can specify a custom
ranking collector (TopDocsCollector) and distributed merge strategy for a Solr
query.
A new "rq" http parameter was added to support specifying a rank query using a
custom QParserPlugin.
Sample syntax:
{code}
q=*:*&wt=json&indent=true&rq={!rank}
{code}
In the sample above the {code}rq={!rank}{code} points to a QParserPlugin that
extends RankQuery.
> Pluggable Ranking Collectors
> ----------------------------
>
> Key: SOLR-5973
> URL: https://issues.apache.org/jira/browse/SOLR-5973
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Minor
> Fix For: 4.9
>
> Attachments: SOLR-5973.patch, SOLR-5973.patch, SOLR-5973.patch,
> SOLR-5973.patch, SOLR-5973.patch, SOLR-5973.patch, SOLR-5973.patch,
> SOLR-5973.patch, SOLR-5973.patch, SOLR-5973.patch, SOLR-5973.patch,
> SOLR-5973.patch, SOLR-5973.patch
>
>
> This ticket introduces a new RankQuery and MergeStrategy to Solr. By
> extending the RankQuery class, and implementing it's interface, you can
> specify a custom ranking collector (TopDocsCollector) and distributed merge
> strategy for a Solr query.
> A new "rq" http parameter was added to support specifying a rank query using
> a custom QParserPlugin.
> Sample syntax:
> {code}
> q=*:*&wt=json&indent=true&rq={!rank}
> {code}
> In the sample above the {code}rq={!rank}{code} points to a QParserPlugin that
> returns a RankQuery.
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