在日常的开发中,最常用的数据格式是 JSON ,并且有的时候 JSON 的格式是非常复杂的(嵌套的格式),那在 Flink SQL 中进行解析的时候也会相当麻烦一点,下面将会演示如何在 DDL 里面定义 Map、Array、Row 类型的数据,以及在 SQL 里面如何获里面的值数据格式如下:以下数据完全是自己造的,没有任何实际含义{ "funcName": "test", "data": {...

问答 2022-03-22 来自：开发者社区

flink sql regular join 是不是把两个流的数据都保存起来

Meta Source：【①群】Apache Flink China社区 Time：2021/11/10 17:13 Proposer：郑淑彬 Status：Resovled Content 郑淑彬 Q： flink sql regular join 是不是把两个流的数据都保存起来Jeff Zhang 简锋看官方文档

问答 2022-02-15 来自：开发者社区

flink sql 这种实时计算结果如何与离线计算的结果做数据比对？

有没有大佬有思路可以参考下？*来自志愿者整理的flink邮件归档

文章 2022-01-09 来自：开发者社区

使用flink SQL Client将mysql数据写入到hudi并同步到hive

测试环境组件版本mysql 5.7hive 3.1.2flink 1.12.2hudi 0.9.0hadoop 3.2.0首先请确保以下组件正常启动：mysqlhivemetastorehiveserver2hdfsyarnhudi适配hive 3.1.2源码编译0.9.0版本的hudi在适配hive3时，其hudi/package/hudi-flink-bundle/pom.xml文件使用的f....

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