[jira] Updated: (CASSANDRA-594) Add "count" and "del" commands to CLI

["gabriele renzi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

gabriele renzi updated CASSANDRA-594:
-------------------------------------

    Attachment:     (was: CASSANDRA-543.patch)

> Add "count" and "del" commands to CLI
> -------------------------------------
>
>                 Key: CASSANDRA-594
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-594
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>    Affects Versions: 0.5
>         Environment: all
>            Reporter: gabriele renzi
>             Fix For: 0.5
>
>   Original Estimate: 0.17h
>  Remaining Estimate: 0.17h
>
> currently cassandra-cli does not 
> * allow removal of columns
> * allow visualization of column count for a row (useful for large sets)
> The attached patch fixes this issue by adding three more commands, del <key>, del <key><col>, count <key>. 
> No new tests were addded as I could not find any for the CLI, if I have time I'll maybe add some but this is not likely to happen soon. 
> As an aside, IMVHO the cassandra cli would be better as a small lib loaded within jirb/jython, parsing would come for free, flexibility would be much larger and it could be autogenerated from the thrift api.  
> {{{
> Connected to localhost/9160
> cassandra> get Influences.Influencer['k']
>   (column=kewl2, value=10; timestamp=1259756945822)
>   (column=kewl, value=10; timestamp=1259753635959)
> Returned 2 rows.
> cassandra> del Influences.Influencer['k']          
> done removal
> cassandra> get Influences.Influencer['k']
> Returned 0 rows.
> cassandra> set Influences.Influencer['k']['kewl2'] = '10'
> Value inserted.
> cassandra> count Influences.Influencer['k']              
> 1 columns
> cassandra> del Influences.Influencer['k']['kewl2']       
> done removal
> cassandra> count Influences.Influencer['k']       
> 1 columns
> cassandra> get Influences.Influencer['k']         
> Returned 0 rows.
> cassandra> count Influences.Influencer['k']
> 1 columns
> cassandra> del Influences.Influencer['k']         
> done removal
> cassandra> count Influences.Influencer['k']
> 0 columns
> cassandra> get Influences.Influencer['k']  
> Returned 0 rows.
> }}}

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