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From "Mikhail Stepura (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7600) Schema change notifications sent for no-op DDL statements
Date Wed, 20 Aug 2014 22:11:28 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mikhail Stepura updated CASSANDRA-7600:
---------------------------------------

    Reviewer: Mikhail Stepura

[~thobbs] I'll review

> Schema change notifications sent for no-op DDL statements
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-7600
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7600
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Tyler Hobbs
>            Priority: Minor
>             Fix For: 2.0.10, 2.1.1
>
>         Attachments: 7600-2.0.txt, 7600-2.1.txt
>
>
> When schema changes are made with {{IF \[NOT\] EXISTS}} conditions, we return schema
change messages (and push out schema change notifications) even if the {{IF \[NOT\] EXISTS}}
condition makes it a no-op.
> This results in extra work for native protocol drivers, which typically wait for schema
agreement and refresh their schema metadata when schema changes occur.



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