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https://issues.apache.org/jira/browse/SOLR-6234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikhail Khludnev updated SOLR-6234:
-----------------------------------
Attachment: SOLR-6234.patch
ok! here we are:
* qparser is called from the older one (JoinQParserPlugin) by specifying score
local param \{join score=...}
* b= is removed in favor of SOLR-7814
* multiVals was just removed too, it seems docvalues hide multivalued when
singlevalued is requested
[want to
watch?|https://github.com/m-khl/lucene-solr/commit/468a60e7ef6ce420482910a7675d7948c8561ef2
]
> 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: Timothy Potter
> Labels: features, patch, test
> Fix For: 5.3
>
> Attachments: SOLR-6234.patch, SOLR-6234.patch, SOLR-6234.patch,
> SOLR-6234.patch, otherHandler.patch
>
>
> 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)
> - {{score=none}} is *default*, eg if you *omit* this localparam
> - supports {{b=100}} param to pass {{Query.setBoost()}}.
> - {{multiVals=true|false}} is introduced
> - 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
> -there was a bug in cross core join, however there is a workaround for it-
> it's fixed in Dec'14 patch.
> Note: the development of this patch was sponsored by an anonymous contributor
> and approved for release under Apache License.
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