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From "Hoss Man (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3076) Solr should support block joins
Date Tue, 10 Apr 2012 18:21:21 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250910#comment-13250910
] 

Hoss Man commented on SOLR-3076:
--------------------------------


As i said before...

bq. ...perhaps we should focus on the more user explicit, direct mapping type QParser type
approach Mikhail has already started on for now, and consider that (_schema driven implicit
block joining_) as an enhancement later? (especially since it's not clear how the indexing
side will be managed/enforced...)

what Mikhail's fleshed out here seems like a good starting point for users who are willing
to deal with this at the "low" level (similar in expertness to the "raw" QParser) , and would
be usable *today* for people who take responsibility of indexing the blocks themselves.

if/when/how we decide to drive the indexing side, we can think about how if/where/how to automagically
hook blockjoin queries into "higher" level parsers like LuceneQParser, DismaxQueryParser
                
> Solr should support block joins
> -------------------------------
>
>                 Key: SOLR-3076
>                 URL: https://issues.apache.org/jira/browse/SOLR-3076
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Grant Ingersoll
>         Attachments: SOLR-3076.patch, SOLR-3076.patch, SOLR-3076.patch, SOLR-3076.patch,
SOLR-3076.patch, bjq-vs-filters-backward-disi.patch, bjq-vs-filters-illegal-state.patch, child-bjqparser.patch,
parent-bjq-qparser.patch, parent-bjq-qparser.patch, solrconf-bjq-erschema-snippet.xml, tochild-bjq-filtered-search-fix.patch
>
>
> Lucene has the ability to do block joins, we should add it to Solr.

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