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Posted to commits@cassandra.apache.org by "Robert Stupp (JIRA)" <ji...@apache.org> on 2014/10/03 21:46:34 UTC

[jira] [Created] (CASSANDRA-8053) Support for user defined aggregate functions

Robert Stupp created CASSANDRA-8053:
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             Summary: 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
             Fix For: 3.0


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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