有没有什么办法可以将json转成map呢？类似于str_to_map函数。版本：flink 1.11 planner: blink sql 需求背景： UDF函数通过http请求获得了json字符串，希望能够直接使用json内字段， UDTF可以满足一部分要求，但不灵活，因为定义UDTF时需要指定输出字段及类型，限制很大。 *来自志愿者整理的flink邮件归档

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更新时间 2024-06-29 09:25:03

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优