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https://issues.apache.org/jira/browse/FLINK-2237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402281#comment-15402281
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Stephan Ewen commented on FLINK-2237:
-------------------------------------
It it is just about the fact the it is currently called {{CombineHint}}, then
let's change the name. It is still in "beta" status, so should be changeable.
I would not make the API more confusing just because that hint is currently
called like it is.
> Add hash-based Aggregation
> --------------------------
>
> Key: FLINK-2237
> URL: https://issues.apache.org/jira/browse/FLINK-2237
> Project: Flink
> Issue Type: New Feature
> Reporter: Rafiullah Momand
> Assignee: Gabor Gevay
> Priority: Minor
>
> Aggregation functions at the moment are implemented in a sort-based way.
> How can we implement hash based Aggregation for Flink?
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