# Package org.apache.datasketches.hive.theta

Hive UDFs and UDAFs for Theta sketch.

Author:
  Will Lauer, Alexander Saydakov

Class Summary
DataToSketchUDAF: Note Strings as raw data values are encoded as a UTF-16 VARCHAR prior to being submitted to the sketch.
DataToSketchUDAF.DataToSketchEvaluator
EstimateSketchSimilarityUDF: Hive estimate sketch similarity UDF.
EstimateSketchUDF: Hive estimate sketch udf.
ExcludeSketchUDF: Hive exclude sketch UDF.
IntersectSketchUDAF
IntersectSketchUDF: Hive intersection sketch UDF.
UnionEvaluator: Common code for DataToSketchUDAF and UnionSketchUDAF
UnionSketchUDAF: Hive UDAF to compute union of theta Sketch objects
UnionSketchUDAF.UnionSketchUDAFEvaluator: Evaluator class of Generic UDAF, main logic of our UDAF.
UnionSketchUDF: Hive union sketch UDF.