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https://issues.apache.org/jira/browse/FLINK-2980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15010576#comment-15010576
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Chengxiang Li commented on FLINK-2980:
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This depends on the support of null value in Table API, which have been
discussed before but not enabled yet. Will revisit this feature after null
value support is enabled in Table API.
> 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: Bug
> Components: Documentation, Table API
> 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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