brickhouse.udf.collect
Class UnionMaxUDAF.MapCollectMaxUDAFEvaluator

java.lang.Object
  org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator
      brickhouse.udf.collect.UnionMaxUDAF.MapCollectMaxUDAFEvaluator

Enclosing class:

UnionMaxUDAF

public static class UnionMaxUDAF.MapCollectMaxUDAFEvaluator
extends org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

Nested Class Summary

static class

UnionMaxUDAF.MapCollectMaxUDAFEvaluator.SortedKeyValue

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

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

Constructor Summary

UnionMaxUDAF.MapCollectMaxUDAFEvaluator()

Method Summary

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer	getNewAggregationBuffer()
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector	init(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode m, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] parameters)
void	iterate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg, Object[] parameters)
void	merge(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg, Object partial)
void	reset(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buff)
Object	terminate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg)
Object	terminatePartial(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg)

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

aggregate, evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

UnionMaxUDAF.MapCollectMaxUDAFEvaluator

public UnionMaxUDAF.MapCollectMaxUDAFEvaluator()

Method Detail

init

public org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector init(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode m,
                                                                          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

getNewAggregationBuffer

public org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer getNewAggregationBuffer()
                                                                                                     throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

getNewAggregationBuffer 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

merge

public void merge(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg,
                  Object partial)
           throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

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

Throws:

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

reset

public void reset(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buff)
           throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

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

Throws:

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

terminate

public Object terminate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg)
                 throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

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

Throws:

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

terminatePartial

public Object terminatePartial(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer agg)
                        throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

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

Throws:

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