hive編程指南--employees表資料定義,編程指南--employees

來源:互聯網
上載者:User

hive編程指南--employees表資料定義,編程指南--employees

hive編程指南中有個employees表,預設的分隔字元比較繁雜,編輯起來不太方便(普通編輯器編輯的控制字元^A等被當成字串處理了,沒有起到分隔字元的作用)。收集的解決方案如下:

http://www.myexception.cn/software-architecture-design/1351552.html

http://blog.csdn.net/lichangzai/article/details/18703971


切記,簡單的文字編輯器編輯如下的內容,分隔字元是沒被識別的,^A^B^C都會被當成字串處理,在hive中匯入資料會識別不出分隔字元,導致一些欄位顯示null

John Doe^A100000.0^AMary Smith^BTodd Jones^AFederal Taxes^C.2^BStateTaxes^C.05^BInsurance^C.1^A1 Michigan Ave.^BChicago^BIL^B60600


Mary Smith^A80000.0^ABill King^AFederal Taxes^C.2^BState Taxes^C.05^BInsurance^C.1^A100 Ontario St.^BChicago^BIL^B60601


Todd Jones^A70000.0^AFederalTaxes^C.15^BState Taxes^C.03^BInsurance^C.1^A200 Chicago Ave.^BOak Park^BIL^B60700


Bill King^A60000.0^AFederal Taxes^C.15^BState Taxes^C.03^BInsurance^C.1^A300 Obscure Dr.^BObscuria^BIL^B60100


著作權聲明:本文為博主原創文章,未經博主允許不得轉載。

相關文章

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.