实时计算 Flink版订单的相关内容

问答 2019-11-20 来自：开发者社区

请问下，想统计未退费的订单数量，如果一个订单退费了（发过来一个update流），flink能做到对结

请问下，想统计未退费的订单数量，如果一个订单退费了（发过来一个update流），flink能做到对结果进行-1吗，这样的需求sql支持吗? 本问题来自阿里云开发者社区的【11大垂直技术领域开发者社群】。点击这里欢迎加入感兴趣的技术领域群。

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更新时间 2024-10-29 08:46:10

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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