实时计算 Flink版map flatmap 的相关内容

问答 2023-07-18 来自：开发者社区

flink table api 的话用map 和flatmap 都是调用自定义函数那和selec

flink table api 的话用map 和flatmap 都是调用自定义函数那和select 感觉没啥区别啊？

问答 2018-12-10 来自：开发者社区

Apache Flink：map vs flatMap

在flink中，flatMap也可以发出一条记录。似乎flatMap可以取代map。有人能告诉我这种情况的不同吗？谢谢。

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更新时间 2024-04-30 03:21:18

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实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

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成本优化

作业自动调优