[ https://issues.apache.org/jira/browse/FLINK-40420 ]
Bettle deleted comment on FLINK-40420:
--------------------------------
was (Author: JIRAUSER313759):
Hi [~dianfu], yes, I’ll give it a try. I’ll share my proposed approach with you
before implementing it and check in on any design questions along the way to
make sure we’re aligned. Thanks!
> Add set operations to DataFrame API
> -----------------------------------
>
> Key: FLINK-40420
> URL: https://issues.apache.org/jira/browse/FLINK-40420
> Project: Flink
> Issue Type: Sub-task
> Components: API / Python
> Reporter: Liu Liu
> Assignee: Bettle
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> Add relational set operations to DataFrame:
> {code:java}
> def union(self, other: DataFrame) -> DataFrame
> def union_all(self, other: DataFrame) -> DataFrame
> def intersect(self, other: DataFrame) -> DataFrame
> def intersect_all(self, other: DataFrame) -> DataFrame
> def minus(self, other: DataFrame) -> DataFrame
> def minus_all(self, other: DataFrame) -> DataFrame {code}
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