待整理
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+ORC
https://blog.csdn.net/yu616568/article/details/51868447
待整理
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+ORC
https://blog.csdn.net/yu616568/article/details/51868447