[jira] [Commented] (CASSANDRA-3680) Add Support for Composite Secondary Indexes

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

    [ https://issues.apache.org/jira/browse/CASSANDRA-3680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427369#comment-13427369 ] 

Sylvain Lebresne commented on CASSANDRA-3680:
---------------------------------------------

I've pushed a rebased version of the patch above at https://github.com/pcmanus/cassandra/commits/3680-2. The previous comments still applies though.
                
> Add Support for Composite Secondary Indexes
> -------------------------------------------
>
>                 Key: CASSANDRA-3680
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3680
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: T Jake Luciani
>            Assignee: Sylvain Lebresne
>              Labels: cql3, secondary_index
>             Fix For: 1.2
>
>         Attachments: 0001-Secondary-indexes-on-composite-columns.txt
>
>
> CASSANDRA-2474 and CASSANDRA-3647 add the ability to transpose wide rows differently, for efficiency and functionality secondary index api needs to be altered to allow composite indexes.  
> I think this will require the IndexManager api to have a maybeIndex(ByteBuffer column) method that SS can call and implement a PerRowSecondaryIndex per column, break the composite into parts and index specific bits, also including the base rowkey.
> Then a search against a TRANSPOSED row or DOCUMENT will be possible.
>  

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