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https://issues.apache.org/jira/browse/FLINK-40423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18110283#comment-18110283
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Timo Theusner commented on FLINK-40423:
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[~dianfu] could you also assign this ticket to me please?
> Add Top-N support to DataFrame API
> ----------------------------------
>
> Key: FLINK-40423
> URL: https://issues.apache.org/jira/browse/FLINK-40423
> Project: Flink
> Issue Type: Sub-task
> Reporter: Liu Liu
> Priority: Major
>
> Add first-class global and per-group Top-N support:
> {code:java}
> def top_n(
> self,
> n: int,
> *,
> partition_by=None,
> order_by,
> descending=False,
> nulls_first=None,
> ) -> DataFrame {code}
>
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