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https://issues.apache.org/jira/browse/FLINK-40434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dian Fu closed FLINK-40434.
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Fix Version/s: 2.4.0
Resolution: Fixed
Merged to master via 8161afa99bb4ede160cf3efdbb4d9d38e7c9d666
> Add flat_map support to DataFrame API
> -------------------------------------
>
> Key: FLINK-40434
> URL: https://issues.apache.org/jira/browse/FLINK-40434
> Project: Flink
> Issue Type: Sub-task
> Components: API / Python
> Reporter: Liu Liu
> Assignee: Chengyu Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> Support the following usage:
> {code:java}
> class Output(TypedDict):
> value: int
> def expand(row: Dict[str, Any]) -> Iterator[Output]:
> yield {"value": row["x"]}
> yield {"value": row["x"] + 1}
> df.flat_map(expand){code}
>
>
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