Browsing All Posts published on »September, 2013«

Structured data in Hive: a generic UDF to sort arrays of structs

September 17, 2013 by


Introduction Hive has a rich and complex data model that supports maps, arrays and structs, that could be mixed and matched, leading to arbitrarily nested structures, like in JSON. I wrote about a JSON SerDe in another post and if you use it, you know it can lead to pretty complicated nested tables. Unfortunately, hive […]