实时计算 Flink版sql join 的相关内容

问答 2023-04-05 来自：开发者社区

我是用flink sql做的join 拿到的数据，我想针对更新操作时比较具体哪个字段发生更新，但是

我是用flink sql做的join 拿到的数据，我想针对更新操作时比较具体哪个字段发生更新，但是flink sql拿到的row类型数据分为update_before和update_after，这是两条数据，我怎么能关联起来，判断具体发生变化的字段？

问答 2023-02-06 来自：开发者社区

mysql cdc表做Flink sql join ，支持这个语法吗？

mysql cdc表做Flink sql join 的时候支持FOR SYSTEM_TIME AS OF 语法吗？

问答 2023-01-15 来自：开发者社区

Flink CDC，data-stream 如何实现想 sql-join 一样的全量 join 呢？

sql join 可以全量, 但 data-stream 中必须配置 window, 那 data-stream 如何实现想 sql-join 一样的全量 join 呢？

问答 2023-01-15 来自：开发者社区

各位大佬有遇到过 flink sql cdc left join 少数据问题吗？

问答 2022-12-20 来自：开发者社区

使用flink sql CDC 多表Interval Join 的时候，报错

使用flink sql CDC 多表Interval Join 的时候，报错：StreamPhysicalIntervalJoin doesn't support consuming update and delete changes which is produced by node TableSourceScan，有人知道怎么解决吗？

问答 2022-12-20 来自：开发者社区

有遇到过 flink SQL join 聚合结果缺失的情况吗？

问答 2022-11-25 来自：开发者社区

flink1.13.6 版本使用flink sql interval left join 不生效

在使用flink interval join 时使用left join 关联两个表，并且输出到kafka中，发现输出的是撤回流，左表并不存数据在state中，一直输出不关联右表的数据，是版本太低不支持interval left join 吗

问答 2022-09-28 来自：开发者社区

flink sql 批处理的时候，用left join 产生了数据倾斜，一般怎么处理啊？

问答 2022-09-02 来自：开发者社区

flink sql，1.14以后怎么流join mysql呢官网文档显示不支持join了？

问答 2022-07-29 来自：开发者社区

请问下通过flink sql读取hologres 的两张表的 binlog，然后如何进行join?

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更新时间 2024-11-15 12:46:11

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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。

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实时同步

MySQL 到 Hologres

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功能对比

开源Flink对比

成本优化

作业自动调优