sort_and_uniq_array


sort_and_uniq_array(array) – Takes array and returns a sorted array with duplicate elements eliminated

SELECT sort_and_uniq_array(array(3,1,1,-2,10));
[-2,1,3,10]

Platforms: WhereOS, Spark, Hive
Class: hivemall.tools.array.SortAndUniqArrayUDF

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

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