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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5443) Add CAS CQL support
Date Thu, 11 Apr 2013 17:03:16 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629111#comment-13629111
] 

Sylvain Lebresne commented on CASSANDRA-5443:
---------------------------------------------

bq. ATOMICALLY is redundant with the IF, isn't it?

It is, strictly speaking. But adding it nails down the fact that this is a relatively specific
operation, which fairly different performance characteristics, and one that returns a value.
Also, I figured we may use something like "atomic updates" to describe them in the docs/presentations
and so having atomic in the syntax would avoid having to add every time "that's the ones with
a IF". Overall, I have the feeling that having a clearer syntactic differentiation is probably
good.

bq. I do have a stronger preference for IF being the last clause.

I'm perfectly fine with that.
                
> Add CAS CQL support
> -------------------
>
>                 Key: CASSANDRA-5443
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5443
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API, Core
>            Reporter: Jonathan Ellis
>             Fix For: 2.0
>
>


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