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Date: Sun, 10 Oct 2010 23:35:32 -0400 (EDT)
From: "Stu Hood (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Subject: [jira] Commented: (CASSANDRA-1598) Add Boolean Expression to
 secondary querying
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    [ https://issues.apache.org/jira/browse/CASSANDRA-1598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919707#action_12919707 ] 

Stu Hood commented on CASSANDRA-1598:
-------------------------------------

I don't see any ways to add OR backwards compatibly, which is probably a reason to add it sooner rather than later: perhaps in 0.7.

> Add Boolean Expression to secondary querying
> --------------------------------------------
>
>                 Key: CASSANDRA-1598
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1598
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: API
>    Affects Versions: 0.7.0
>            Reporter: Todd Nine
>             Fix For: 0.8
>
>
> Add boolean operators similar to Lucene style searches.  Currently there is implicit support for the && operator.  It would be helpful to also add support for ||/Union operators.  I would envision this as the client would be required to construct the expression tree and pass it via the thrift interface.
> BooleanExpression --> BooleanOrIndexExpression
>                                      --> BooleanOperator
>                                      --> BooleanOrIndexExpression
> I'd like to take a crack at this since it will greatly improve my Datanucleus plugin

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