Package org.apache.datasketches.hive.theta
Hive UDFs and UDAFs for Theta sketch.
- Author:
- Will Lauer, Alexander Saydakov
-
Class Summary Class Description 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 UnionSketchUDAFUnionSketchUDAF Hive UDAF to compute union of theta Sketch objectsUnionSketchUDAF.UnionSketchUDAFEvaluator Evaluator class of Generic UDAF, main logic of our UDAF.UnionSketchUDF Hive union sketch UDF.