问题描述Dataphin中创建Python脚本查询MaxCompute数据库数据，使用instr函数报错“function instr needs 2 parameters,actually have 4”。问题原因关闭Hive兼容模式的参数未生效，Hive兼容模式下，instr函数只支持两个参数。...

阿里云文档 2021-11-30

Dataphin如何创建python自定义UDF函数

问题描述用户在使用过程中，需要创建UDF函数，但是上传之后，总是报错。问题原因1.python脚本格式问题。2.上传之后命名出现问题。解决方案1.python没有换行符，所以需要用制表符对代码进行对其。如下图，循环或者条件判断需要对其位置。2.上传之后如图所示，填写好正确的信息。类名是资源包名.类名...

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更新时间 2025-04-24 12:09:19

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分布式计算框架 MaxCompute MaxFrame

MaxCompute MaxFrame 是阿里云自研分布式计算框架，支持 Python 编程接口并可直接使用 MaxCompute 计算资源及数据接口，与 MaxCompute Notebook、镜像管理等功能共同构成 MaxCompute 完整 Python 开发生态。

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