[jira] [Updated] (CASSANDRA-5718) Cql3 reader returns duplicate rows if the cluster column is reversed

["Alex Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-5718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Liu updated CASSANDRA-5718:
--------------------------------

    Attachment: 5718-2-1.2-branch.txt

Oh, I get it. 5718-2-1.2-branch.txt is attached to fix the none-composite reversed type of comparator
                
> Cql3 reader returns duplicate rows if the cluster column is reversed
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-5718
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5718
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.6
>            Reporter: Alex Liu
>            Assignee: Alex Liu
>             Fix For: 1.2.9
>
>         Attachments: 5718-1.2-branch.txt, 5718-2-1.2-branch.txt
>
>
> To reproduce it,
> cqlsh:test>  select * from wordfreq;
>  title   | occurances | word
> ---------+------------+-------
>  alex123 |          4 |  liu3
>    alex1 |      23456 |  liu2
>   alex10 |         10 | liu10
>   alex12 |         34 |  liu3
>     alex |     123456 |  liu1
>     alex |       1000 |   liu
> CREATE TABLE wordfreq ( title text, word text, occurances int, PRIMARY KEY (title,occurances)) WITH CLUSTERING ORDER by (occurances DESC);
> The hadoop job returns 7 rows instead of 6 rows. 
> I will post a patch soon.

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