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https://issues.apache.org/jira/browse/CASSANDRA-2710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13434802#comment-13434802
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Vijay edited comment on CASSANDRA-2710 at 8/15/12 3:25 PM:
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Hi Jonathan, It has a lot of potential (Provides flexibility) while modeling
wide rows with composite columns. Should we at-least support it via thrift?
was (Author: vijay2...@yahoo.com):
It has a lot of potential (Provides flexibility) while modeling wide rows
with composite columns. Should we at-least support it via thrift?
> Get multiple column ranges
> --------------------------
>
> Key: CASSANDRA-2710
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2710
> Project: Cassandra
> Issue Type: Sub-task
> Components: API, Core
> Reporter: David Boxenhorn
> Assignee: Vijay
> Labels: compositeColumns, cql
> Attachments: 0001-2710-multiple-column-ranges-cql.patch,
> 0001-2710-multiple-column-ranges-thrift.patch
>
>
> I have replaced all my super column families with regular column families
> using composite columns. I have easily been able to support all previous
> functionality (I don't need range delete) except for one thing: getting
> multiple super columns with a single access. For this, I would need to get
> multiple ranges. (I can get multiple columns, or a single range, but not
> multiple ranges.)
> For example, I used to have
> [<superColumnName1>,<subColumnName1..N>],[<superColumnName2>,<subColumnName1..N>]
> and I could get superColumnName1, superColumnName2
> Now I have
> [<len><superColumnName1>0<len><subColumnName1>..<len><superColumnName1>0<len><subColumnNameN>],[<len><superColumnName2>0<len><subColumnName1>..<len><superColumnName2>0<len><subColumnNameN>]
> and I need to get superColumnName1..superColumnName1+,
> superColumnName2..superColumnName2+
> to get the same functionality
> I would like the clients to support this functionality, e.g. Hector to have
> .setRages parallel to .setColumnNames
> and for CQL to support a syntax like
> SELECT [FIRST N] [REVERSED] name1..nameN1, name2..nameN2... FROM ...
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