实时计算 Flink版sql表的相关内容

问答 2024-06-03 来自：开发者社区

在Flink SQL中，如果在使用表别名后，WHERE子句中使用了别名，可能会出现找不到表的问题

在Flink SQL中，如果在使用表别名后，WHERE子句中使用了别名，可能会出现找不到表的问题。为了解决这个问题，您可以尝试以下方法：使用完整的表名替换别名。例如，如果您的查询是这样的： SELECT a.id, a.name FROM table_a AS a WHERE a.age >...

问答 2022-06-13 来自：开发者社区

Flink SQL之时态表（Temporal Tables）

目录时态表（Temporal Table）是一张随时间变化的表 – 在 Flink 中称为动态表，时态表中的每条记录都关联了一个或多个时间段，所有的 Flink 表都是时态的（动态的）。时态表包含表的一个或多个有版本的表快照，时态表可以是一张跟踪所有变更记录的表（例如数据库表的 changelog，包含多个表快照），也可以是物化所有变更之后的表（例如数据库表，只有最新表快照）。版本: 时态表可以....

问答 2022-02-15 来自：开发者社区

flink sql 读写写kafka表的时候可以指定消息的key吗

flink sql 写kafka表的时候可以指定消息的key吗？看官网的kafka connector没有找到消息key相关的说明如果可以的话，如何指定？谢谢 *来自志愿者整理的flink邮件归档

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更新时间 2024-06-04 08:46:24

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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