摘要:
案例: Select tmp.username,date,sum(tmp.su) over(partition by tmp.username order by tmp.date ) totle From ( Select username,sum(cost_money) su,date From 阅读全文
摘要:
hive > set hive.exec.dynamic.partition.mode=nonstrict;--设置hive执行器的动态分区(dynamic partition)模式为非严格模式(nonstrict) set hive.input.format=org.apache.hadoop.h 阅读全文