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https://issues.apache.org/jira/browse/SOLR-6234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645934#comment-14645934
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Adrien Grand commented on SOLR-6234:
------------------------------------
Mikhail, was it intentional to move ScoreJoinQParserPlugin to a different
package when backporting? It's in oas.search in 5x and oas.search.join in trunk.
> Scoring modes for query time join
> ----------------------------------
>
> Key: SOLR-6234
> URL: https://issues.apache.org/jira/browse/SOLR-6234
> Project: Solr
> Issue Type: New Feature
> Components: query parsers
> Affects Versions: 5.3
> Reporter: Mikhail Khludnev
> Assignee: Mikhail Khludnev
> Labels: features, patch, test
> Fix For: 5.3
>
> Attachments: SOLR-6234-javadocsfix.patch, SOLR-6234.patch,
> SOLR-6234.patch, SOLR-6234.patch, SOLR-6234.patch, SOLR-6234.patch,
> SOLR-6234.patch, SOLR-6234.patch, otherHandler.patch
>
>
> it adds ability to call Lucene's JoinUtil by specifying local param, ie
> \{!join score=...}.... It supports:
> - {{score=none|avg|max|total}} local param (passed as ScoreMode to JoinUtil)
> - -supports {{b=100}} param to pass {{Query.setBoost()}}- postponed till
> SOLR-7814.
> - -{{multiVals=true|false}} is introduced- YAGNI, let me know otherwise.
> - there is a test coverage for cross core join case.
> - so far it joins string and multivalue string fields (Sorted, SortedSet,
> Binary), but not Numerics DVs. follow-up LUCENE-5868
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