odps 使用参考 & tips

    <dependency>
            <groupId>com.aliyun.odps</groupId>
            <artifactId>odps-sdk-udf</artifactId>
            <version>0.17.3</version>
        </dependency>
    </dependencies>

package com.odps.udf;

import com.aliyun.odps.udf.UDF;

public final class Upper_test extends UDF{
	public String evaluate(String s){     ##
		if(s==null) {return null;}       ##
		return s.toUpperCase();          ## 替换该函数内容
	}
}