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Posted to commits@cassandra.apache.org by "aaa (JIRA)" <ji...@apache.org> on 2012/11/20 12:32:58 UTC
[jira] [Created] (CASSANDRA-4977) Expose new SliceQueryFilter
features through Thrift interface
aaa created CASSANDRA-4977:
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Summary: Expose new SliceQueryFilter features through Thrift interface
Key: CASSANDRA-4977
URL: https://issues.apache.org/jira/browse/CASSANDRA-4977
Project: Cassandra
Issue Type: Improvement
Components: API
Affects Versions: 1.2.0 beta 2
Reporter: aaa
SliceQueryFilter has some very useful new features like ability to specify a composite column prefix to group by and specify a limit of groups to return.
This is very useful if for example I have a wide row with columns prefixed by timestamp and I want to retrieve the latest columns, but I don't know the column names. Say I have a row
{{row -> (t1, c1), (t1, c2)... (t1, cn) ... (t0,c1) ... etc}}
Query slice range (t1,) group by prefix (1) limit (1)
As a more general question, is the Thrift interface going to be kept up-to-date with the feature changes or will it be left behind (a mistake IMO) ?
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[jira] [Resolved] (CASSANDRA-4977) Expose new SliceQueryFilter
features through Thrift interface
Posted by "aaa (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-4977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
aaa resolved CASSANDRA-4977.
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Resolution: Invalid
> Expose new SliceQueryFilter features through Thrift interface
> -------------------------------------------------------------
>
> Key: CASSANDRA-4977
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4977
> Project: Cassandra
> Issue Type: Improvement
> Components: API
> Affects Versions: 1.2.0 beta 2
> Reporter: aaa
>
> SliceQueryFilter has some very useful new features like ability to specify a composite column prefix to group by and specify a limit of groups to return.
> This is very useful if for example I have a wide row with columns prefixed by timestamp and I want to retrieve the latest columns, but I don't know the column names. Say I have a row
> {{row -> (t1, c1), (t1, c2)... (t1, cn) ... (t0,c1) ... etc}}
> Query slice range (t1,) group by prefix (1) limit (1)
> As a more general question, is the Thrift interface going to be kept up-to-date with the feature changes or will it be left behind (a mistake IMO) ?
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[jira] [Commented] (CASSANDRA-4977) Expose new SliceQueryFilter
features through Thrift interface
Posted by "Cristian Opris (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-4977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13501124#comment-13501124 ]
Cristian Opris commented on CASSANDRA-4977:
-------------------------------------------
This was posted by me but apparently was logged with an anonymous account at the time
> Expose new SliceQueryFilter features through Thrift interface
> -------------------------------------------------------------
>
> Key: CASSANDRA-4977
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4977
> Project: Cassandra
> Issue Type: Improvement
> Components: API
> Affects Versions: 1.2.0 beta 2
> Reporter: aaa
>
> SliceQueryFilter has some very useful new features like ability to specify a composite column prefix to group by and specify a limit of groups to return.
> This is very useful if for example I have a wide row with columns prefixed by timestamp and I want to retrieve the latest columns, but I don't know the column names. Say I have a row
> {{row -> (t1, c1), (t1, c2)... (t1, cn) ... (t0,c1) ... etc}}
> Query slice range (t1,) group by prefix (1) limit (1)
> As a more general question, is the Thrift interface going to be kept up-to-date with the feature changes or will it be left behind (a mistake IMO) ?
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