[jira] [Updated] (CASSANDRA-16936) Support atomic addition and append for LWTs

["Benedict Elliott Smith (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-16936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benedict Elliott Smith updated CASSANDRA-16936:
-----------------------------------------------
                Authors: Benedict Elliott Smith, Caleb Rackliffe, Sam Tunnicliffe  (was: Benedict Elliott Smith)
          Fix Version/s: 4.1
                             (was: 4.x)
    Source Control Link: [951d72cd929d1f6c9329becbdd7604a9e709587b|https://github.com/apache/cassandra/commit/951d72cd929d1f6c9329becbdd7604a9e709587b]
             Resolution: Fixed
                 Status: Resolved  (was: Ready to Commit)

> Support atomic addition and append for LWTs
> -------------------------------------------
>
>                 Key: CASSANDRA-16936
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16936
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Feature/Lightweight Transactions
>            Reporter: Benedict Elliott Smith
>            Assignee: Benedict Elliott Smith
>            Priority: Normal
>             Fix For: 4.1
>
>
> To support CEP-10 we require some atomic functionality that modifies the state of a register as part of the transaction. Specifically, we require at least the ability to append a string to another string. Since this is more widely useful, at the same time we also support addition on numeric fields so that users may maintain precise counters using Paxos, should they wish.



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