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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9665) Improve handling of UDF and UDA metadata
Date Fri, 26 Jun 2015 22:06:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14603680#comment-14603680
] 

Aleksey Yeschenko commented on CASSANDRA-9665:
----------------------------------------------

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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