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Posted to dev@flink.apache.org by "Shaoxuan Wang (JIRA)" <ji...@apache.org> on 2017/04/22 17:34:04 UTC
[jira] [Created] (FLINK-6361) Finalize the AggregateFunction
interface and refactoring built-in aggregates
Shaoxuan Wang created FLINK-6361:
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Summary: Finalize the AggregateFunction interface and refactoring built-in aggregates
Key: FLINK-6361
URL: https://issues.apache.org/jira/browse/FLINK-6361
Project: Flink
Issue Type: Sub-task
Components: Table API & SQL
Reporter: Shaoxuan Wang
Assignee: Shaoxuan Wang
We have completed codeGen for all aggregate runtime functions. Now we can finalize the AggregateFunction. This includes 1) remove Accumulator trait; 2) remove accumulate, retract, merge, resetAccumulator, getAccumulatorType methods from interface, and allow them as contracted methods for UDAGG; 3) refactoring the built-in aggregates accordingly.
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