你好，我们用的1.11版本。需求：table t 有三个字段（a,b,c）我们的场景只想根据主键a更新部分字段b，其余的字段c原有的值保持不变，例如mysql 支持: insert into t(a,b) select 1,2 on duplicate key update b=2; 主键重复的时候只更新字段b,字段c的值不变。但是flink sql 目前只支...

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更新时间 2024-07-04 09:41:42

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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