实时计算 Flink版变量的相关内容

问答 2023-08-23 来自：开发者社区

Flink CDC mysql5.7,请问官方说驱动要用8.0.28，报错获取不到这个变量：？

Flink CDC mysql5.7,请问官方说驱动要用8.0.28，报错获取不到这个变量：com.mysql.cj.CharsetMapping.COLLATION_INDEX_TO_COLLATION_NAME 从8.0.26这个变量就变成私有了，请问是我Flink 吃点菜版本用错了吗，我用的是2.0.0？

问答 2023-07-25 来自：开发者社区

我想问一下Flink中我用广播变量的话怎么更新呢？我现在是用就是用第二个去覆盖第一个，不知道有啥问题

问答 2023-07-25 来自：开发者社区

Flink平台 sql开发模块，像数据ip 这些能抽相出一个变量或者配置吗？还是只能用密钥管理？

问答 2023-07-24 来自：开发者社区

flink中，我截图这里是变量配置，我创建临时表时with里面引用${secret_values.密

flink中，我截图这里是变量配置，我创建临时表时with里面引用${secret_values.密钥名}，然后对临时表查询报错，创建临时表引用${secret_values.密钥名}，不能进行select吗？java.lang.RuntimeException: Failed to fetch next result at org.apache.flink.streaming.api.oper....

问答 2023-07-05 来自：开发者社区

请问Flink中是否可以在 json_query 函数的 path 中使用变量，例如 select？

请问Flink中是否可以在 json_query 函数的 path 中使用变量，例如 select json_query( col_a, col_b) from table_a？报错 Caused by: org.apache.flink.table.planner.codegen.CodeGenException: Unsupported call: JSON_QUERY(STRING, ST....

问答 2023-07-03 来自：开发者社区

请问Flink 中是否可以在 json_query 函数的 path 中使用变量，例如？

请问Flink 中是否可以在 json_query 函数的 path 中使用变量，例如 select json_query( col_a, col_b) from table_a 报错 Caused by: org.apache.flink.table.planner.codegen.CodeGenException: Unsupported call: JSON_QUERY(STRING, S....

问答 2023-06-24 来自：开发者社区

您好，flink这里的变量配置在flink sql里面怎么引用呢？

问答 2023-06-04 来自：开发者社区

Flink CDC中比如这个sql, 这些变量怎么传过去？如果使用自定义row？

Flink CDC中比如这个sql, 这些变量怎么传过去？如果使用自定义row？insert into my_catalog.pi_test.pi_test_paimon_amazon_online_sales select("+selectId+"is_delete) " + selectId +" 1 from my_catalog.pi_test.pi_test_paimon_ama...

问答 2023-01-09 来自：开发者社区

实时计算Flink如何配置和调用变量

问答 2022-12-16 来自：开发者社区

Flink的变量配置

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更新时间 2024-07-18 09:32:51

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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