[jira] [Updated] (SOLR-6234) Scoring modes for query time join

["Erik Hatcher (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-6234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Erik Hatcher updated SOLR-6234:
-------------------------------
    Fix Version/s: Trunk
                   5.0

> 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: 4.10.3, Trunk
>            Reporter: Mikhail Khludnev
>              Labels: features, patch, test
>             Fix For: 5.0, Trunk
>
>         Attachments: SOLR-6234.patch, lucene-join-solr-query-parser-0.0.2.zip
>
>
> it adds {{scorejoin}} query parser which calls Lucene's JoinUtil underneath. It supports:
> - {{score=none|avg|max|total}} local param (passed as ScoreMode to JoinUtil), also 
> - supports {{b=100}} param to pass {{Query.setBoost()}}.
> So far
> - -it always passes {{multipleValuesPerDocument=true}}- {{multiVals=true|false}} is introduced 
> - -it doesn't cover cross core join case,- it covers cross-core join but rather opportunistically.I just can't find the multicore testcase in Solr test, I appreciate if you point me on one. 
> - -I attach standalone plugin project, let me know if somebody interested, I convert it into the proper Solr codebase patch. Also please mention the blockers!- done. thanks for your attitude!
> - so far it joins string and multivalue string fields (Sorted, SortedSet, Binary), but not Numerics DVs. follow-up LUCENE-5868  
> Note: the development of this patch was sponsored by an anonymous contributor and approved for release under Apache License.



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