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Posted to commits@cassandra.apache.org by "Jeremy Hanna (JIRA)" <ji...@apache.org> on 2017/06/22 16:34:14 UTC
[jira] [Updated] (CASSANDRA-10707) Add support for Group By to
Select statement
[ https://issues.apache.org/jira/browse/CASSANDRA-10707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeremy Hanna updated CASSANDRA-10707:
-------------------------------------
Component/s: Materialized Views
> Add support for Group By to Select statement
> --------------------------------------------
>
> Key: CASSANDRA-10707
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10707
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL, Materialized Views
> Reporter: Benjamin Lerer
> Assignee: Benjamin Lerer
> Fix For: 3.10
>
>
> Now that Cassandra support aggregate functions, it makes sense to support {{GROUP BY}} on the {{SELECT}} statements.
> It should be possible to group either at the partition level or at the clustering column level.
> {code}
> SELECT partitionKey, max(value) FROM myTable GROUP BY partitionKey;
> SELECT partitionKey, clustering0, clustering1, max(value) FROM myTable GROUP BY partitionKey, clustering0, clustering1;
> {code}
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