需求:
以下是代码实现:
第一步:创建表、加载数据
create table access_log(
ip String,
date String,
address String
)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ‘\t’
LINES TERMINATED BY ‘\n’;
LOAD DATA LOCAL INPATH ‘/opt/datas/hive-access.log’ INTO TABLE access_log;
第二步:创建自定义函数
- idea中代码实现:
public class