Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
您如何根据特定列的值构建单词/标记字典(垂直存储)?此列可能包含空格/制表符分隔的内容。
我想做的与这个问题或多或少相同。
从pig中的单行输入生成多行输出