Hive資料匯出

• 匯出方式
  • Hadoop命令方式
    • Get (hadoop fs -get /warehouse/test/* /home/data)
    • text (hadoop fs -text /warehouse/test/* > /home/data)
  • 通過INSERT...DIRECTORY方式
    • insert overwrite [local] directory '/tmp/ca_employees' [row format delimited fields terminated by '\t']
      select name,salary,address from employees
    • Shell命令加管道:hive -f/e |sed/grep/awk >file
      • hive -S -e "select * from test" | grep wer
    • 第三方工具