实时计算 Flink版报错table 的相关内容

请教下，Flink里面把流注册为表: tableEnv.registerDataStream("mytable", mystream ....) 这里的流 mystream 貌似必须是append only流，不能是retraction流。这是为什么？如果是retraction流，报错Table is not an append-only table. Use the toRetractStream() in order to handle add and retract messages.

转自钉钉群21789141：请教下，Flink里面把流注册为表: tableEnv.registerDataStream("mytable", mystream ....)这里的流 mystream 貌似必须是append only流，不能是retraction流。这是为什么？如果是retracti...

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更新时间 2024-02-25 09:20:38

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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