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From "Mikhail Khludnev (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3076) Solr should support block joins
Date Tue, 20 Mar 2012 20:55:38 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233739#comment-13233739
] 

Mikhail Khludnev commented on SOLR-3076:
----------------------------------------

Yonik,

What's your vision of indexing blocks in Solr?
# I guess we need to introduce new method UpdateHandler.addBlock() and AddBlockCommand as
well. 
# I suppose we have two different approaches for supporting blocks in ContentStreamLoader
descendants.
** we can introduce new tag in input xml format <docs>...</docs> or <block>...<block>
** we can transfer List<SolrInputDoc>[] <in javabin format 
** the different strategy should be used for plain csv format: we need to add block separator
init parameter in solrconfig.xml eg <str name="block.separator">type:resume</str>
* as an alternative for all these above we can have just an UpdateRequestProcessor descendant
which separates blocks by employing the same block.separator approach, in this case update
handler support is required anyway, but it's really little efforts and less invasive. 

WDYT? 

                
> 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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