json格式，如果是一个json array 该如何定义 schema，array里还可能存在嵌套json array的情况。如数据： {"user_info":{"user_id":"0111","name":"xxx"},"timestam":1586676835655,"id":"10001","jsonArray":[{"name222":"xxx","user_id222":"00.....

问答 2021-12-07 来自：开发者社区

Flink SQL 解析复杂（嵌套）JSON 的问题以及写入到 hive 映射问题

json格式，如果是一个json数组的方法定义模式，数组里还可能存在隐藏json数组的情况。如数据： {"user_info":{"user_id":"0111","name":"xxx"},"timestam":1586676835655,"id":"10001","jsonArray":[{"name222":"xxx" ,"user_id222":"0022"},{"name333":.....

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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