[jira] [Updated] (CASSANDRA-2440) Merge ColumnOrSuperColumn and Counter thrift structure to avoid most of the counter API call duplication

["Sylvain Lebresne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne updated CASSANDRA-2440:
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    Attachment: cassandra.thrift

Attaching a tentative API for now. After the merge of Counter and ColumnOrSuperColumn, the only method specific to counters are
  * add - because we still distinguish Column and CounterColumn, so we can't use insert here.
  * remove_counter - We don't have timestamps for counters (more precisely we use server timestamps) and we can't have the timestamp optional in the remove method.

For the remove_counter method, I could be fine keeping only the remove method and ignoring the timestamp if it's a counter CF, but I'm not sure it is really cleaner and since counter removal is a bit limited it feels like a good idea to keep a separate call.

> Merge ColumnOrSuperColumn and Counter thrift structure to avoid most of the counter API call duplication
> --------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2440
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2440
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: API
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8
>
>         Attachments: cassandra.thrift
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> Having duplicate calls for all counter operation is ugly. Distinguishing a Column from a CounterColumn is a good idea, but I feel we went too far in making counters an API on its own. This ticket proposes to merge the Counter and ColumnOrSuperColumn thrift structure (while keeping CounterColumn and CounterSuperColumn) and to remove all the duplicate API calls.

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