nupter

hive字符串转数字：max(CAST(split(split(description,'pdtime=')[1],'\;')[0] AS BIGINT) )

命令1.hive表中数据导出到MySQL表/home/queue_ziyan/sqoop-1.4.3.bin__hadoop-1.0.0/bin/sqoop export -Dmapred.job.queue.name=queue_chengmai   --connect "jdbc:mysql://10.95.196.207/reportdb?useUnicode=true&characte