hive学习 cannot recognize input near ‘user‘ ‘.‘ ‘user_id‘ in selection target 表的别名不对
今天执行hql时,遇到问题。一直报错说不能识别user.user_id,估计是user别名用得不对。后来我修改了表的别名为没出现的表名就执行成功了hive(hive)>selectuser.user_id,user.date_dt,user.low_carbon>from>user_low_carbonuser>join>(selectuser_id,date_dt>from>(selectuse