# Package org.apache.datasketches.hive.hll

Hive UDFs for HLL sketches.

Author:
  Alexander Saydakov

Class Summary
DataToSketchUDAF: Hive UDAF to create an HllSketch from raw data.
DataToSketchUDAF.DataToSketchEvaluator
SketchToEstimateAndErrorBoundsUDF
SketchToEstimateUDF
SketchToStringUDF
UnionSketchUDAF: Hive UDAF to compute union of HllSketch objects
UnionSketchUDAF.UnionSketchUDAFEvaluator: Evaluator class, main logic of our UDAF.
UnionSketchUDF: Hive union sketch UDF.