[jira] [Closed] (HBASE-2648) API Rework: Have Delete and Put implement same Interface or subclass same 'Mutation' ancestor (Get too? And Result?)

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-2648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-2648.
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> API Rework: Have Delete and Put implement same Interface or subclass same 'Mutation' ancestor (Get too?  And Result?)
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-2648
>                 URL: https://issues.apache.org/jira/browse/HBASE-2648
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Michael Stack
>            Priority: Major
>
> Our API has a problem in that we can't pass a mix of Put and Delete edits.  We see it in various places.
> HBASE-1626 tried to add being able to emit Puts and Deletes from your Map or Reduce but as HBASE-1969 points out, it won't work as done.
> Ryan talks about need of being able to pass a set of Deletes and Puts against a single row so we can do a bunch of edits all under the umbrella of a single row *lock*.
> Related, HBASE-1845 wants to do bulk put/gets/deletes all in same way and HBASE-2609 is related in that it asks that the Delete and Put API work the same.
> For at least the first issue, in hbase-1969, "HBASE-1626 does not work as advertised due to lack of "instanceof" check in MR framework", Lars G suggests we have a Mutation class that can carry Deletes and Puts on a row.  He notes that the sample client code in the BT table seems to do this.  This Mutation carrying-class could be used to solve the Ryan issue above.
> But maybe we need something more radical, an API overhaul (again) to do something like was proposed long-time ago in hbase-880.  This was an ugly, unfinished proposal but many of the classes shared an ancestor -> https://issues.apache.org/jira/secure/attachment/12395138/880proposal5-v2.png.



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