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https://issues.apache.org/jira/browse/SOLR-6234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14242696#comment-14242696
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Parnit commented on SOLR-6234:
------------------------------
I have been getting some strange behaviour using scorejoin
testServer/solr/MainIndex/select?q={!squarejoin from=id to=id
fromIndex=subIndex}metric:*
returns the following error
*undefined field metric*
If I try the same with Solr join I am able to access column metric just fine.
testServer/solr/MainIndex/select?q={!join from=id to=id
fromIndex=subIndex}metric:*
If I try using scorejoin with a column that exists in the mainIndex it seems to
be returning results.
Is this a bug?
> 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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