Wes McKinney created ARROW-3120:
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Summary: [C++] Thread-safe incremental Sum aggregator
Key: ARROW-3120
URL: https://issues.apache.org/jira/browse/ARROW-3120
Project: Apache Arrow
Issue Type: New Feature
Components: C++
Reporter: Wes McKinney
The general API for aggregation should be something like
{code}
Aggregator* aggregator = ...;
const Array& chunk = ...;
RETURN_NOT_OK(aggregator->Process(chunk));
{code}
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