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https://issues.apache.org/jira/browse/CASSANDRA-594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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gabriele renzi updated CASSANDRA-594:
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Attachment: CASSANDRA-594.patch
the patch adds del/count commands to cassandra cli as they are useful for me.
Existing tests still pass but the cli seem untested and none were added as it
is unclear to me how to do it, sorry.
Patch seem to work, but I'm new to cassandra codebase so there may be hidden
problems.
> 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
>
> Attachments: CASSANDRA-594.patch
>
> 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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