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From "Dave Brosius (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-3012) cassandra-cli list <CF> limit number of columns returned
Date Thu, 23 Feb 2012 23:05:49 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-3012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dave Brosius updated CASSANDRA-3012:
------------------------------------

    Attachment: cli_list_columncount.diff

add help messages too.

list cf limit 100, 0;

etc.
                
> cassandra-cli list <CF> limit number of columns returned
> --------------------------------------------------------
>
>                 Key: CASSANDRA-3012
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3012
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.0.7
>            Reporter: Aaron Turner
>            Assignee: Dave Brosius
>            Priority: Minor
>              Labels: cli, limit
>             Fix For: 1.1.1
>
>         Attachments: cli_list_columncount.diff
>
>
> Right now in the CLI, running: list MyColumnFamily; will return the first 100 rows and
quite easily the bazillion columns associated with those rows.  Often times you're interested
in just the row keys in the CF and less interested in all the columns or perhaps only a subset
of columns.
> Hence it would be nice to have the limit option take a second, optional parameter limiting
the number of columns to return:
> list MyCF[startkey:] limit 10, 30;
> would limit the columns per row to 30 while limiting the number of rows to 10 and starting
at key "startkey".  It should also take values 0 (no columns) and -1 (all columns).  -1 should
also be acceptable as a row limit also denoting "all rows" rather then requiring the user
to type a large positive number.

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