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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-2272) Join
Date Wed, 08 Dec 2010 05:54:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969195#action_12969195
] 

Robert Muir commented on SOLR-2272:
-----------------------------------

Yonik, can we expose to lucene users too?

There was already some discussion on parent-child relationships in lucene, and I don't see
any reason stuff like this should be added to Solr-only.


> Join
> ----
>
>                 Key: SOLR-2272
>                 URL: https://issues.apache.org/jira/browse/SOLR-2272
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Yonik Seeley
>             Fix For: 4.0
>
>         Attachments: SOLR-2272.patch
>
>
> Limited join functionality for Solr, mapping one set of IDs matching a query to another
set of IDs, based on the indexed tokens of the fields.
> Example:
> fq={!join  from=parent_ptr to:parent_id}child_doc:query

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