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From: "Aleksey Yeschenko (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CASSANDRA-5805) CQL 'set' returns incorrect
 value
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    [ https://issues.apache.org/jira/browse/CASSANDRA-5805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13719868#comment-13719868 ] 

Aleksey Yeschenko commented on CASSANDRA-5805:
----------------------------------------------

Maps and Lists are also affected, but I'm not certain that the issue is necessarily collection-related.
                
> CQL 'set' returns incorrect value
> ---------------------------------
>
>                 Key: CASSANDRA-5805
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5805
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 2.0 beta 2
>            Reporter: Yuki Morishita
>            Priority: Critical
>
> CQL 'set' returns incorrect value after flush.
> Create the following table:
> {code}
> CREATE KEYSPACE ks WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1};
> USE ks;
> CREATE TABLE cf ( k int PRIMARY KEY , s set<int> );
> {code}
> Insert data:
> {code}
> INSERT INTO cf (k, s) VALUES (1, {1});
> INSERT INTO cf (k, s) VALUES (1, {2});
> {code}
> This should return:
> {code}
> cqlsh:ks> SELECT * FROM cf;
>  k | s
> ---+--------
>  1 | {2}
> {code}
> and it does when no flush has happened.
> But when I do flush after each insert, it starts returning:
> {code}
> cqlsh:ks> SELECT * FROM cf;
>  k | s
> ---+--------
>  1 | {1, 2}
> {code}
> 'system.local' table flushes every time it inserts(updates) tokens, and this behavior is causing 'nodetool move' to act weirdly.

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