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https://issues.apache.org/jira/browse/CASSANDRA-5640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko resolved CASSANDRA-5640.
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Resolution: Later
This would be nice to have indeed, but getting it right is not trivial at all.
Furthermore, given the limitations (same ks, same partition key), a very
limited # of data models would be able to utilise the functionality - making it
not working in most cases more confusing.
Resolving as Later for now.
> Allow JOIN on partition key for tables in the same keyspace
> -----------------------------------------------------------
>
> Key: CASSANDRA-5640
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5640
> Project: Cassandra
> Issue Type: New Feature
> Components: CQL
> Reporter: Jeremiah Jordan
> Priority: Minor
> Labels: cql
> Attachments: SIMPLE-CRUDE-OUTER-JOIN.patch
>
>
> People whine about there not being any JOIN in CQL a lot. I was thinking we
> could add JOIN with the restriction that you can only join on partition key,
> and only if the tables are in the same keyspace. That way it could be done
> local to each node, and would not need to be a true distributed join.
> Feel free to shoot me down ;)
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