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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-8053) Support for user defined aggregate functions
Date Thu, 11 Dec 2014 17:50:13 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-8053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tyler Hobbs updated CASSANDRA-8053:
-----------------------------------
    Attachment: 8053-final.txt

> Support for user defined aggregate functions
> --------------------------------------------
>
>                 Key: CASSANDRA-8053
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8053
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Robert Stupp
>            Assignee: Robert Stupp
>              Labels: cql, udf
>             Fix For: 3.0
>
>         Attachments: 8053-final.txt, 8053v1.txt, 8053v2.txt
>
>
> CASSANDRA-4914 introduces aggregate functions.
> This ticket is about to decide how we can support "user defined aggregate functions".
UD aggregate functions should be supported for all UDF flavors (class, java, jsr223).
> Things to consider:
> * Special implementations for each scripting language should be omitted
> * No exposure of internal APIs (e.g. {{AggregateFunction}} interface)
> * No need for users to deal with serializers / codecs



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