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https://issues.apache.org/jira/browse/FLINK-5915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949772#comment-15949772
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ASF GitHub Bot commented on FLINK-5915:
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Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3647
The change looks good in general. I'd prefer to use an array instead of a
List though.
What do you think @shaoxuan-wang?
> Add support for the aggregate on multi fields
> ---------------------------------------------
>
> Key: FLINK-5915
> URL: https://issues.apache.org/jira/browse/FLINK-5915
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Shaoxuan Wang
> Assignee: Shaoxuan Wang
>
> some UDAGGs have multi-fields as input. For instance,
> table
> .window(Tumble over 10.minutes on 'rowtime as 'w )
> .groupBy('key, 'w)
> .select('key, weightedAvg('value, 'weight))
> This task will add the support for the aggregate on multi fields.
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