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https://issues.apache.org/jira/browse/CASSANDRA-9665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14603680#comment-14603680
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Aleksey Yeschenko commented on CASSANDRA-9665:
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On top of Sylvain's 8099 branch, with CASSANDRA-9542 cherry-picked:
https://github.com/iamaleksey/cassandra/commits/9665
> Improve handling of UDF and UDA metadata
> ----------------------------------------
>
> Key: CASSANDRA-9665
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9665
> Project: Cassandra
> Issue Type: Sub-task
> Reporter: Aleksey Yeschenko
> Assignee: Aleksey Yeschenko
> Fix For: 3.0 beta 1
>
>
> A while ago we decided to make all functions and types keyspace local, but
> haven't updated our assumption in the code accordingly.
> One consequence is that in addition to {{Schema}} and {{KSMetaData}} we got
> ourselves a completely separate registry singleton for built-in functions,
> UDFs, and UDAs - the {{Functions}} class.
> The linked branch makes UDAs and UDFs be a part of {{KSMetaData}}, as they
> should be, and gets rid of the old {{Functions}} class.
> A new {{Functions}} class is introduced - an immutable container for a given
> keyspace's functions, and all the definitions are now spread between the
> keyspaces.
> Additionally, this moves all the built-in functions to {{SystemKeyspace}}.
> This sneaks in a bit of {{CASSANDRA-9425}}, makes {{CASSANDRA-9367}} easier,
> and is a minore pre-requisite for a proper implementation of
> {{CASSANDRA-6717}}.
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