实时计算 Flink版sql insert into语句-阿里云

flink sql太多insert into语句问题

flink sql太多insert into语句问题我们有一个场景需要从一张kafka源表写很多不同告警规则到同一张告警目标表。规则数量大概有300多个，采用纯flink sql实现。方案一是采用创建视图，将不同规则union all起来，再将视图插入目标表，发现算子都chain成了一个，因为f...

【flink sql】flink sql insert into插入语句的问题

测试Flink版本：1.11.0 Flink sql支持这种语法插入吗，在插入时指定具体的字段顺序和要插入的列 Insert into tableName(col1[,col2]) select col1[,col2] 目前通过测试发现了以下问题建表语句： create table t1(a in...

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【flink】flink sql insert into插入语句的问题

测试Flink版本：1.11.0 Flink 支持这种语法插入吗，在插入时指定具体的内容和要插入的列插入 tableName(col1[,col2]) 选择 col1[,col2] 通过测试发现了以下问题建表语句：用 () 创建表 t1(a int,b string,c int); 用 () ...

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更新时间 2022-09-30 13:12:49

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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

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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