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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3885) Support multiple ranges in SliceQueryFilter
Date Mon, 18 Jun 2012 11:26:43 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13395816#comment-13395816
] 

Sylvain Lebresne commented on CASSANDRA-3885:
---------------------------------------------

bq.  as far as I can see from the 3885 branch there are other changes in there beyond this
patch that are more recent than the last change to trunk.

Then you have the wrong version of trunk. The attached 3885-v2.txt patch applies cleanly to
current trunk (as of this comment). 
                
> Support multiple ranges in SliceQueryFilter
> -------------------------------------------
>
>                 Key: CASSANDRA-3885
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3885
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: David Alves
>             Fix For: 1.2
>
>         Attachments: 3885-v2.txt, CASSANDRA-3885.patch, CASSANDRA-3885.patch, CASSANDRA-3885.patch,
CASSANDRA-3885.patch, CASSANDRA-3885.patch
>
>
> This is logically a subtask of CASSANDRA-2710, but Jira doesn't allow sub-sub-tasks.
> We need to support multiple ranges in a SliceQueryFilter, and we want querying them to
be efficient, i.e., one pass through the row to get all of the ranges, rather than one pass
per range.
> Supercolumns are irrelevant since the goal is to replace them anyway.  Ignore supercolumn-related
code or rip it out, whichever is easier.
> This is ONLY dealing with the storage engine part, not the StorageProxy and Command intra-node
messages or the Thrift or CQL client APIs.  Thus, a unit test should be added to ColumnFamilyStoreTest
to demonstrate that it works.

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