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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4882) Short read protection don't count columns correctly for CQL3
Date Wed, 31 Oct 2012 17:21:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487981#comment-13487981
] 

Jonathan Ellis commented on CASSANDRA-4882:
-------------------------------------------

LGTM.

Nit: would prefer avoiding allocating unnecessary HashSet in trim when the common case is
not to need to trim.
                
> Short read protection don't count columns correctly for CQL3
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-4882
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4882
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Patrick McFadin
>            Assignee: Sylvain Lebresne
>             Fix For: 1.2.0 beta 2
>
>         Attachments: 4882.txt
>
>
> Using the same schema defined in https://issues.apache.org/jira/browse/CASSANDRA-4881
> select * from video_event;
>  videoid_username                           | event | event_timestamp | video_timestamp
> --------------------------------------------+-------+-----------------+--------------------------
>  99051fe9-6a9c-46c2-b949-38ef78858dd0:ctodd | start |    1346636100.0 | 2012-09-02 18:35:00+0000
>  99051fe9-6a9c-46c2-b949-38ef78858dd0:ctodd | start |    1346634300.0 | 2012-09-02 18:05:00+0000
>  99051fe9-6a9c-46c2-b949-38ef78858dd0:ctodd |  stop |    1346636250.0 | 2012-09-02 18:37:30+0000
>  99051fe9-6a9c-46c2-b949-38ef78858dd0:ctodd |  stop |    1346634330.0 | 2012-09-02 18:05:30+0000
> And this:
> select * from video_event where videoid_username = '99051fe9-6a9c-46c2-b949-38ef78858dd0:ctodd'
limit 1;
>  videoid_username                           | event | event_timestamp | video_timestamp
> --------------------------------------------+-------+-----------------+-----------------
>  99051fe9-6a9c-46c2-b949-38ef78858dd0:ctodd | start |    1346636100.0 |            null
> As you can see, we have some different output based on the select statement. The timestamp
in both is formatted as a float or a double. 

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