org.apache.datasketches.hive.theta

Class DataToSketchUDAF.DataToSketchEvaluator

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

org.apache.datasketches.hive.theta.UnionEvaluator

org.apache.datasketches.hive.theta.DataToSketchUDAF.DataToSketchEvaluator

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

DataToSketchUDAF

public static class DataToSketchUDAF.DataToSketchEvaluator
extends UnionEvaluator

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AbstractAggregationBuffer, org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer, org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationType, org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode

Field Summary

Fields inherited from class org.apache.datasketches.hive.theta.UnionEvaluator

inputObjectInspector, intermediateObjectInspector, NOMINAL_ENTRIES_FIELD, nominalEntriesObjectInspector, SEED_FIELD, seedObjectInspector, SKETCH_FIELD

Fields inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

partitionEvaluator

Constructor Summary

Constructors

Constructor and Description
DataToSketchEvaluator()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector	init(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode mode, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] parameters)
void	iterate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg, Object[] parameters)

Methods inherited from class org.apache.datasketches.hive.theta.UnionEvaluator

getNewAggregationBuffer, merge, reset, terminate, terminatePartial

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

aggregate, close, configure, createPartitionEvaluator, estimate, evaluate, getExprString, getPartitionWindowingEvaluator, getWindowingEvaluator, isEstimable

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataToSketchEvaluator

public DataToSketchEvaluator()

Method Detail

init

public org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector init(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode mode,
                                                                          org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] parameters)
                                                                   throws org.apache.hadoop.hive.ql.metadata.HiveException

Overrides:

init in class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

iterate

public void iterate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg,
                    Object[] parameters)
             throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

iterate in class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException