标签: hadoop apache-pig
有没有办法在不编写UDF的情况下删除pig中的重复相邻元素?
示例元组:
[1,2,3,3,3,4,1,1,2] - > [1,2,3,4,1,2]
[1,2,3,3,3,4,1,1,2]
[1,2,3,4,1,2]