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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3069) UNION support
Date Mon, 05 Sep 2011 19:12:09 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13097262#comment-13097262
] 

Jonathan Ellis commented on CASSANDRA-3069:
-------------------------------------------

The more I think about it the more I think that the right thing to do is not to support UNION
(which does not map cleanly to StorageProxy calls) but to support ORing keys together in the
WHERE clause (which maps nicely to multiget).

The downside is we need to explain why we support just this one special case of ORs but not
others, but I think that is better than trying to explain other limitations around UNION.

> UNION support
> -------------
>
>                 Key: CASSANDRA-3069
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3069
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API, Core
>            Reporter: Jonathan Ellis
>            Assignee: Pavel Yaskevich
>             Fix For: 1.1
>
>         Attachments: CASSANDRA-3069.patch
>
>


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