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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/06/13 18:45:00 UTC
[jira] [Updated] (ARROW-5005) [C++] Add support for filter mask in
AggregateFunction
[ https://issues.apache.org/jira/browse/ARROW-5005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney updated ARROW-5005:
--------------------------------
Fix Version/s: (was: 0.14.0)
> [C++] Add support for filter mask in AggregateFunction
> ------------------------------------------------------
>
> Key: ARROW-5005
> URL: https://issues.apache.org/jira/browse/ARROW-5005
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Francois Saint-Jacques
> Assignee: Francois Saint-Jacques
> Priority: Major
>
> The aggregate kernels don't support mask (the result of a filter). Add the the following method to `AggregateFunction`.
> {code:c++}
> virtual Status ConsumeWithFilter(const Array& input, const Array& mask, void* state) const = 0;
> {code}
> The goal is to add support for AST similar to:
> {code:sql}
> SELECT AGG(x) FROM table WHERE pred;
> {code}
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