http://stackoverflow.com/questions/18812025/hive-nested-array-in-map-data-type Hive’s default delimiters are: Row Delimiter => Control-A (‘\001’) Collection Item Delimiter => Control-B (‘\002’) Map Key Delimiter... Read More | Share it now!
Daily Archives: February 24, 2016
hive array、map、struct使用
hive提供了复合数据类型： Structs： structs内部的数据可以通过DOT（.）来存取，例如，表中一列c的类型为STRUCT{a INT; b... Read More | Share it now!