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From "Greg Stein (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2272) Join
Date Tue, 26 Apr 2011 21:05:03 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13025430#comment-13025430
] 

Greg Stein commented on SOLR-2272:
----------------------------------

Personally, without my Director's hat on, I would recommend the project consider moving to
Commit-Then-Review. Right now, you spend all this effort in posting patches to JIRA, discussing
it ad nauseum, and the project just sits there. If... instead... you trust the committers
to move the project forward, then let them commit. WHEN a problem comes up then, you discuss
it. RTC implicitly says "we don't trust you", and I don't think it is a good model for project
development. I've seen lots of people say "but the code is really tricky, so we need to review
changes to ensure stability", but I think that is just a sham for people wanting *control*.
You can always review what has been committed and apply further patches to fix stability --
it doesn't have to come before the original commit with an updated patch. Release branches
are typically in RTC, and the stability over an open trunk can be regained before release
time. (of course, you would also hope test and regression suites will everything stable during
the open trunk)

> Join
> ----
>
>                 Key: SOLR-2272
>                 URL: https://issues.apache.org/jira/browse/SOLR-2272
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>            Reporter: Yonik Seeley
>             Fix For: 4.0
>
>         Attachments: SOLR-2272.patch, SOLR-2272.patch, 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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