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Posted to commits@cassandra.apache.org by "LiuJingSi (JIRA)" <ji...@apache.org> on 2010/11/29 15:20:38 UTC
[jira] Issue Comment Edited: (CASSANDRA-1599) Add sort/order
support for secondary indexing
[ https://issues.apache.org/jira/browse/CASSANDRA-1599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12964761#action_12964761 ]
LiuJingSi edited comment on CASSANDRA-1599 at 11/29/10 9:17 AM:
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Hi,all
>Expose 0.8.0 distributed indexes as readonly column families which are sorted by the index value, and which are queried using get_range_slices
i am wondering how to solve this query with the readonly index:
email == 'bob@gmail.com' && (lastlogindate > today - 5 days || newmessagedate > today -1 day).
since i met the similar problem: in SQL expression,it is like:
select * from sometable where author='somebody' order by last_reply_time desc.
or do i make some misunderstanding?
thank very much.
was (Author: lookis):
Hi,all
>Expose 0.8.0 distributed indexes as readonly column families which are sorted by the index value, and which are queried using get_range_slices
i am wondering how to solve this query with the readonly index:
email == 'bob@gmail.com' && (lastlogindate > today - 5 days || newmessagedate > today -1 day).
since i met the similar problem: in SQL expression,it is like:
select * from sometable where author='somebody' order by last_reply_time desc.
thank very much.
> Add sort/order support for secondary indexing
> ---------------------------------------------
>
> Key: CASSANDRA-1599
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1599
> Project: Cassandra
> Issue Type: New Feature
> Components: API
> Reporter: Todd Nine
> Fix For: 0.8
>
>
> For a lot of users paging is a standard use case on many web applications. It would be nice to allow paging as part of a Boolean Expression.
> Page -> start index
> -> end index
> -> page timestamp
> -> Sort Order
> When sorting, is it possible to sort both ASC and DESC?
>
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