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https://issues.apache.org/jira/browse/CASSANDRA-3990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242570#comment-13242570
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Sylvain Lebresne commented on CASSANDRA-3990:
---------------------------------------------

Some part of me tell me that this may prove limiting. I've actually bothered 
implementing the semantic versioning server side, so that when for instance 
when we have cql 3.1.0, if the client asked for 3.1.0 but the server is an old 
one that only support 3.0.0, an error is returned. So in other words, we will 
later need to be able to distinguish between 3.0.0 and 3.1.0. Feels like adding 
a specific flag each time will prove limiting or tedious to upgrade. I'm not 
sure if that would really matter for cqlsh but just figured I'd mention it.

Maybe we could still have the option of setting whatever version we want, but 
then have --cql2 and --cql3 shortcuts that would refer to the more recent known 
version for instance.

                
> cqlsh support for CQL 3
> -----------------------
>
>                 Key: CASSANDRA-3990
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3990
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API
>            Reporter: Sylvain Lebresne
>            Assignee: Eric Evans
>            Priority: Minor
>             Fix For: 1.1.0
>
>         Attachments: v1-0001-CASSANDRA-3990-cqlsh-support-for-CQL-3.txt, 
> v2-0001-CASSANDRA-3990-cqlsh-support-for-CQL-3.txt
>
>
> Cqlsh needs to add support for CQL3. At a minimum, one needs to be able to 
> choose the cql version at launch time.

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