Package org.apache.datasketches.hive.hll
Hive UDFs for HLL sketches.
- Author:
- Alexander Saydakov
-
Class Summary Class Description DataToSketchUDAF Hive UDAF to create an HllSketch from raw data.DataToSketchUDAF.DataToSketchEvaluator SketchToEstimateAndErrorBoundsUDF SketchToEstimateUDF SketchToStringUDF UnionSketchUDAF Hive UDAF to compute union of HllSketch objectsUnionSketchUDAF.UnionSketchUDAFEvaluator Evaluator class, main logic of our UDAF.UnionSketchUDF Hive union sketch UDF.