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https://issues.apache.org/jira/browse/FLINK-40434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18115981#comment-18115981
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Dian Fu commented on FLINK-40434:
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[~victor39] Sure. Thanks for taking it.
> 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
>
> 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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