Liu Liu created FLINK-40423:
-------------------------------
Summary: 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
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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