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https://issues.apache.org/jira/browse/CASSANDRA-5443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643028#comment-13643028
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Sylvain Lebresne commented on CASSANDRA-5443:
---------------------------------------------
bq. How about "IF NOT EXISTS?"
That's definitively reasonable. I'll add a fifth patch to add that syntax
soonish.
> 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
> Assignee: Sylvain Lebresne
> Fix For: 2.0
>
> Attachments:
> 0001-Refactor-Update-and-Delete-statement-to-extract-common.txt,
> 0002-Add-syntax-to-support-conditional-update-delete.txt,
> 0003-Handle-deleted-and-expiring-column-in-paxos-updates.txt,
> 0004-Support-tombstones-when-comparing-for-CAS.txt
>
>
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