实时计算 Flink版期望的相关内容

问答 2024-08-28 来自：开发者社区

在Flink定义了两个mongo table，这里的血缘展示两个mongo表是期望的吗？

在Flink定义了两个mongo table，用的是相同的collection，这里的血缘展示两个mongo表是期望的吗？

问答 2023-12-06 来自：开发者社区

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: ["c1","c2"]

问答 2023-12-03 来自：开发者社区

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: ["c1","c2"]所以期望的sql长这样select parse_json( JSON_QU...

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更新时间 2024-08-29 09:08:54

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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

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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