实时计算 Flink版source schema 的相关内容

阿里云文档 2024-07-31

Source变更兼容性

本文为您介绍Source变更的可兼容性和不可兼容性详情。

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之在自定义RichSinkFunction中，如何获取source的schema

问题一：Flink SQL中有没有行转列的函数？ Flink SQL中有没有行转列的函数？参考答案：在Flink SQL中，你可以使用内置的聚合函数GROUP_CONCAT来实现行转列的功能。这个函数会将输入数据按照指定的列进行分组，并将每个分组中的其他列的值拼接成一个字符串。例如，假设你有一个包含姓名和科目的表，并希望按姓名分组，同时将每个分组中...

阿里云文档 2024-07-10

SQL变更的其他兼容性限制

本文为您介绍变更SQL除Query、Source和Sink之外的其他限制。

问答 2024-01-09 来自：开发者社区

Flink CDC怎么获取source的schema?

Flink CDC自定义的 RichSinkFunction 里，怎么获取source的schema?

问答 2022-12-27 来自：开发者社区

flink-cdc 有获取 source schema 转换成 avsc 文件的工具吗?

共有5条

< 1 >

跳转至： GO

更新时间 2024-07-17 09:29:36

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实时计算Flink版

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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