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https://issues.apache.org/jira/browse/SOLR-13892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16967743#comment-16967743
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Joel Bernstein commented on SOLR-13892:
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Just reviewing the join code. I always assumed that the slowness in the join
was coming from:
{code:java}
public DocSet getDocSetEnumerate() throws IOException { {code}
This does not seems to care about scoring, but I could be wrong.
The only way to know for sure is to test so I'll load up an index and report
back on the performance of \{!join} vs \{!join score=none} in the scenarios we
were using.
> Add postfilter support to {!join} queries
> -----------------------------------------
>
> Key: SOLR-13892
> URL: https://issues.apache.org/jira/browse/SOLR-13892
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Affects Versions: master (9.0)
> Reporter: Jason Gerlowski
> Priority: Major
> Attachments: SOLR-13892.patch
>
>
> The JoinQParserPlugin would be a lot performant in many use-cases if it could
> operate as a post-filter, especially when doc-values for the involved fields
> are available.
> With this issue, I'd like to propose a post-filter implementation for the
> {{join}} qparser.
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