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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-10576) Thrift CAS on static columns doesn't work as expected
Date Mon, 26 Oct 2015 10:03:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-10576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sylvain Lebresne updated CASSANDRA-10576:
-----------------------------------------
    Reviewer: Sylvain Lebresne

> Thrift CAS on static columns doesn't work as expected
> -----------------------------------------------------
>
>                 Key: CASSANDRA-10576
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10576
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Sam Tunnicliffe
>            Assignee: Sam Tunnicliffe
>             Fix For: 3.0.0
>
>
> Although the thrift cas call works as expected for dynamic column families, using it
on tables with statically defined columns produces unexpected results. The problem, in {{ThriftCASRequest}},
is that while the {{expected}} partition contains a static row, the {{current}} partition
has been processed by {{ThriftResultsMerger}} during the read, converting the static columns
to clusterings. If {{expected}} contains only a static row, no further checking is carried
out, {{appliesTo}} erroneously returns true and the conditional update is performed regardless
of the current state of the partition.



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