获取规范学历UDF函数
实现步骤:
1.将写好的代码打包上传到hdfs目录:/user/lib/
2.执行如下命令:
drop function NormEduction;
ADD JAR hdfs://nameservice1/user/lib/common_udf.jar;
CREATE FUNCTION NormEduction AS
'com.mingyang.GetNormEducationNameUDF'USING JAR
'hdfs://nameservice1/user/lib/common_udf.jar';
reload functions;
reload function;
3.测试: