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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:....

问答 2024-02-06 来自：开发者社区

Flink CDC里设置这个参数，没有捕获到新增字段的数据，其他数据也异常怎么回事？

Flink CDC里sqlserver-cdc设置这个参数，没有捕获到新增字段的数据，其他数据也异常是怎么回事？

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更新时间 2024-12-29 12:08:39

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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