sketch_set

sketch_set [WhereOS, SQL, Spark, Hive]

Class brickhouse.udf.sketch.SketchSetUDAF
Usage sketch_set(x) - Constructs a sketch set to estimate reach for large values

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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