Timo Walther created FLINK-5984:
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Summary: Allow reusing of accumulators in AggregateFunction
Key: FLINK-5984
URL: https://issues.apache.org/jira/browse/FLINK-5984
Project: Flink
Issue Type: Improvement
Components: Table API & SQL
Reporter: Timo Walther
Right now we have to create a new accumulator object if we just want to reset
it. We should allow passing the old one as a {{reuse}} object to
{{AggregateFunction#createAccumulator}}. The aggregate function then can decide
if it wants to create a new object or reset the old one.
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