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python-hive-udf's Introduction

Python-Udf

odps java hive udf

作用: 过滤数组内容

使用方法: 1、使用maven clean package 打包udf项目jar包,然后把jar包上传到odps资源,资源命名为ArrayFilter.jar

2、注册udf函数,函数名为filter_array,使用ArrayFilter类

CREATE FUNCTION filter_array as 'com.company.hive.udf.ArrayFilter' USING 'ArrayFilter.jar';

3、SELECT filter_array(ARRAY(1,2,3, '', 4), '');

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