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From "Eric Evans (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3791) Support query by names for compact CF
Date Mon, 06 Feb 2012 22:47:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201732#comment-13201732
] 

Eric Evans commented on CASSANDRA-3791:
---------------------------------------

bq. It's not really important but for info, the test seems to fail here with...

Oh, for future reference, you need Python >= 2.7

bq. However, I look at the queries and result on that test and I didn't see anything wrong
on what's returned. However, the test is asserting wrong things. When inserting data in the
'Clicks' CF, for the second userid (d9c9dced-d539-4bce-9ccb-dc59a9e9136f), you update the
same column multiple times. The inserts look like

Gah, you're right of course.  Sorry for being stupid.

LGTM; +1
                
> Support query by names for compact CF
> -------------------------------------
>
>                 Key: CASSANDRA-3791
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3791
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>              Labels: cql3
>             Fix For: 1.1
>
>         Attachments: 0001-Refactor-select.patch, 0002-Allow-IN-on-last-column-of-PRIMARY-KEY.patch
>
>
> Current code don't allow doing a query by names on wide rows (compact CF). I.e. with:
> {noformat}
> CREATE TABLE test1 (
>     k int,
>     c int,
>     v int,
>     PRIMARY KEY (k, c)
> ) WITH COMPACT STORAGE;
> {noformat}
> you cannot do:
> {noformat}
> SELECT v FROM test1 WHERE k = 0 AND c IN (5, 2, 8)
> {noformat}
> even though this is a simple name query.
> This ticket proposes to allow it.

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