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https://issues.apache.org/jira/browse/FLINK-11147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sunjincheng closed FLINK-11147.
-------------------------------
Resolution: Fixed
Fix Version/s: 1.9.0
Fixed in master : 6a12908b15c398e37f8603cd84e0d30e14d07784
> Add documentation for TableAggregate Function
> ---------------------------------------------
>
> Key: FLINK-11147
> URL: https://issues.apache.org/jira/browse/FLINK-11147
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Hequn Cheng
> Assignee: Hequn Cheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Add documentation for {{TableAggregateFunction}}, similar to the document of
> {{AggregateFunction}}:
> https://ci.apache.org/projects/flink/flink-docs-release-1.7/dev/table/udfs.html#aggregation-functions
> Most parts of {{TableAggregateFunction}} would be same with
> {{AggregateFunction}}, except for the ways of handling outputs.
> {{AggregateFunction}} outputs a scalar value, while
> {{TableAggregateFunction}} outputs a Table with multi rows and columns.
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