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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2014/11/18 20:48:34 UTC
[jira] [Commented] (CASSANDRA-8335) Support CAS with UPDATE...IF
col=val OR NOT EXISTS
[ https://issues.apache.org/jira/browse/CASSANDRA-8335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14216675#comment-14216675 ]
Aleksey Yeschenko commented on CASSANDRA-8335:
----------------------------------------------
Is there an actual use case for this feature?
> Support CAS with UPDATE...IF col=val OR NOT EXISTS
> --------------------------------------------------
>
> Key: CASSANDRA-8335
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8335
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Robert Stupp
> Priority: Minor
> Labels: cas, cql
>
> On the -dev mailing list the RFE to extend UPDATE LWT using something like
> {{UPDATE ... IF col=val ... OR NOT EXISTS}}
> RFE is to add the {{OR NOT EXISTS}} which means either the the {{IF}} conditions are met *xor* the row does not exist.
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