long实时计算 Flink版的相关内容

字段是long类型（毫秒级的时间戳）对应flink是bigint类型，怎么转成flink#Flink

字段是long类型（毫秒级的时间戳）对应flink是bigint类型，怎么转成flinksql支持的timestamp作为watermark，flinksql建表的时候用 #Flink

UDAF实际调用时传入int类型，定义时是long类型，运行时报参数不匹配，int不能转成long类型吗？发现Flink-SQL在编写的时候需要写很多的CAST

转自钉钉群21789141：UDAF实际调用时传入int类型，定义时是long类型，运行时报参数不匹配，int不能转成long类型吗？发现Flink-SQL在编写的时候需要写很多的CAST

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更新时间 2024-03-16 12:21:08

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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