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Flink自定义函数报这个错，怎么解决？我现在udf的版本和任务选择的引擎版本是一致的。

Flink自定义函数报这个错，怎么解决？我现在udf的版本和任务选择的引擎版本是一致的。java.lang.IncompatibleClassChangeError: Found class org.apache.flink.table.functions.FunctionContext, but ...

Flink SQL 自定义函数标量函数(UDF)的示例是什么？

Flink SQL 自定义函数标量函数(UDF)是什么？

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更新时间 2024-04-30 03:34:37

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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