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Timo Walther edited comment on FLINK-2980 at 8/31/16 2:14 PM:
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This tasks also includes implementing the functions {{GROUPING}},
{{GROUPING_ID}}, {{GROUP_ID}}.
was (Author: twalthr):
This tasks also includes implementing the functions {{GROUPING_ID}},
{{GROUP_ID}}.
> Add CUBE/ROLLUP/GROUPING SETS operator in Table API.
> ----------------------------------------------------
>
> Key: FLINK-2980
> URL: https://issues.apache.org/jira/browse/FLINK-2980
> Project: Flink
> Issue Type: New Feature
> Components: Documentation, Table API & SQL
> Reporter: Chengxiang Li
> Assignee: Chengxiang Li
> Attachments: Cube-Rollup-GroupSet design doc in Flink.pdf
>
>
> Computing aggregates over a cube/rollup/grouping sets of several dimensions
> is a common operation in data warehousing. It would be nice to have them in
> Table API.
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