pig命令学习

注释：

• For multi-line comments use /* …. */

• For single-line comments use --

设置属性的四种方法：

• The pig.properties file (add the directory that contains the pig.properties file to the classpath)
• The -D command line option and a Pig property (pig -Dpig.tmpfilecompression=true)
• The -P command line option and a properties file (pig -P mypig.properties)
• The set command (set pig.exec.nocombiner true)

快捷键（别名）：

• \d alias - shourtcut for DUMP operator. If alias is ignored last defined alias will be used.

• \de alias - shourtcut for DESCRIBE operator. If alias is ignored last defined alias will be used.

• \e alias - shourtcut for EXPLAIN operator. If alias is ignored last defined alias will be used.

• \i alias - shourtcut for ILLUSTRATE operator. If alias is ignored last defined alias will be used.

• \q - To quit grunt shell