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https://issues.apache.org/jira/browse/ARROW-3120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-3120:
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Description: After ARROW-8972, we have a generic chunk-based executor for
aggregate functions. It should be relatively straightforward now to parallelize
the execution loop of the executor. (was: The general API for aggregation
should be something like
{code}
Aggregator* aggregator = ...;
const Array& chunk = ...;
RETURN_NOT_OK(aggregator->Update(chunk));
{code})
> [C++] Parallelize execution of ScalarAggregateFunction
> ------------------------------------------------------
>
> Key: ARROW-3120
> URL: https://issues.apache.org/jira/browse/ARROW-3120
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Labels: analytics
> Fix For: 2.0.0
>
>
> After ARROW-8972, we have a generic chunk-based executor for aggregate
> functions. It should be relatively straightforward now to parallelize the
> execution loop of the executor.
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