使用的是flink sql处理流程是从mysql进kafka之后，通过kafka插入hive，在插入数据时会报错，选了upsert-kafka，sql没有更新或者删除操作 Flink SQL> [ERROR] Could not execute SQL statement. Reason: org.apache.flink.table.api.TableException: Table si...

文章 2025-03-01 来自：开发者社区

基于 Flink CDC YAML 的 MySQL 到 Kafka 流式数据集成

这篇教程将展示如何基于 Flink CDC YAML 快速构建 MySQL 到 Kafka 的 Streaming ELT 作业，包含整库同步、表结构变更同步演示和关键参数介绍。准备阶段准备 Flink Standalone 集群 1.下载 Flink 1.19.2[1]压缩包，解压后并跳转至 Flink 目录下，设置 FLINK_HOME 为 flink-1.19....

文章 2025-02-27 来自：开发者社区

基于 Flink CDC YAML 的 MySQL 到 Kafka 流式数据集成

这篇教程将展示如何基于 Flink CDC YAML 快速构建 MySQL 到 Kafka 的流式数据集成作业，包含整库同步、表结构变更同步的演示和特色功能的介绍。本教程的演示都将在 Flink CDC CLI 中进行，无需一行 Java/Scala 代码，也无需安装 IDE。准备阶段准备 Flink Standalone 集群下载 Flink 1.19.2，解压后得到 flink-...

文章 2025-02-04 来自：开发者社区

SpringBoot 通过集成 Flink CDC 来实时追踪 MySql 数据变动

SpringBoot 集成 Flink CDC 实时追踪 MySQL 数据变动一、概述 Flink CDC 是一个基于 Apache Flink 的数据捕获工具，能够实时捕获和处理数据库的变动事件。通过集成 Flink CDC，可以实时追踪 MySQL 数据库中的数据变动，构建高效的数据处理和分析应用。本文将介绍如何在 SpringBoot 项目中集成...

问答 2024-12-28 来自：开发者社区

Flink CDC中如果MySQL 字段设置了默认值，字段值为空时，捕获到的变更数据为默认值？？

这个问题我在本地复现是偶现问题，字段值为空时，捕获的值有时候是默认值，有时候又是空。这个问题困扰我几天了，社区里也没找到完整可行的方案：目前看到两种解决方法，描述不太清楚看不明白。期待大佬指导下。1、回答：这个之前也有其他人反馈过，我是重写了SchemaBuilder，默认值直接指定为null，此回答整理自钉群“Flink CDC 社区”2023-11-16 08:43:19链接：https:....

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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。

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