导出数据到文件
方法1 推荐
insert overwrite local directory 'path' ROW FORMAT DELIMITED FIELDS TERMINATED BY ' '
select * from my_table
方法2
hive -e "select * from my_table" | grep -v "WARN" | tr " " "," > 'path'
insert overwrite local directory 'path' ROW FORMAT DELIMITED FIELDS TERMINATED BY ' '
select * from my_table
hive -e "select * from my_table" | grep -v "WARN" | tr " " "," > 'path'