摘要:
1. 元数据配置 配置属性 javax.jdo.option.ConnectionURL, javax.jdo.option.ConnectionDriverName 等 2. 集合数据类型 STRUCT: MAP: ARRAY: 3.分割符 \n 分行 \001 分列 \002 分隔ARRAY、S 阅读全文
摘要:
1. Word Count 例子 inputfile = load 'file' as (line); 内容: {line: bytearray} (Look at the stars, ) (Look how they shine for you, ) (And everything you do 阅读全文