实时计算 Flink版解析json 的相关内容

Flink CDC中flinksql怎么解析json数组[{},{}]格式数据？

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有没有人遇到Flink CDC1.16 解析json乱码的问题？

Apache Flink SQL目前还不支持直接解析JSON字符串并将其转换为预期的数据类型

Apache Flink SQL目前还不支持直接解析JSON字符串并将其转换为预期的数据类型。你可以在Flink SQL中使用STRING_TO_ARRAY函数将字符串转换为数组。以下是一个示例，展示了如何将字符串转换为数组： SELECT STRING_TO_ARRAY(JSON_QUERY('...

Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？

Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？JSON_QUERY('{"a":[{"c":"c1"},{"c":"c2"}]}', 'lax $.a[*].c')这个内置函数返回的是string: '["c1","c2"]'，而我期望返回的是ARRAY: [...

flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？

flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？JSON_QUERY('{"a":[{"c":"c1"},{"c":"c2"}]}', 'lax $.a[].c')这个内置函数返回的是string: '["c1","c2"]'，而我期望返回的是ARRAY: ["...

Flink CDC 解析mongo返回来的json时，json能打印出来，为什么解析不出来呢？

各位大佬们，Flink CDC 解析mongo返回来的json时，json能打印出来，并且肉眼可见我要解析的字段有值，为什么解析不出来呢？哪里写的不对吗？

Flink CDC解析mongo返回来的json时，为什么解析不出来呢？哪里写的不对吗？

各位大佬们，Flink CDC解析mongo返回来的json时，json能打印出来，并且肉眼可见我要解析的字段有值，为什么解析不出来呢？哪里写的不对吗？

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更新时间 2024-06-11 17:48:17

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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