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阿里云文档 2024-07-17

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Window TOP-N需要同时遵循Window TVF和Top-N两者的修改要求，支持的兼容性修改较少。本文为您介绍Window Top-N变更的可兼容性和不可兼容性详情。

阿里云文档 2024-07-11

GroupWindowAggregate变更兼容性

本文为您介绍Group Window Aggregate变更的可兼容性和不可兼容性详情。

文章 2022-11-05 来自：开发者社区

Flink Window 、Time（二）| 学习笔记

开发者学堂课程【Apache Flink 入门到实战 - Flink 开源社区出品：Flink Window 、Time（二）】学习笔记，与课程紧密联系，让用户快速学习知识。课程地址：https://developer.aliyun.com/learning/course/632/detail/10045Flink Window 、Time （二）三、Windo....

问答 2022-02-15 来自：开发者社区

Flink 报错：Window can only be defined over a time...

以下代码在执行到下面这行代码时，报错:Window can only be defined over a time attribute column DataStream> resultStream = tableEnv.toRetractStream(sqlQuery,Result3.class); 主要代码逻辑： public class Test { public s...

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更新时间 2024-12-12 11:35:33

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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