Uses of Package
org.apache.hadoop.hive.ql.udf.generic

Packages that use org.apache.hadoop.hive.ql.udf.generic
org.apache.hadoop.hive.ql.exec Hive QL execution tasks, operators, functions and other handlers. 
org.apache.hadoop.hive.ql.optimizer.index   
org.apache.hadoop.hive.ql.plan   
org.apache.hadoop.hive.ql.udf   
org.apache.hadoop.hive.ql.udf.generic Standard toolkit and framework for generic User-defined functions. 
org.apache.hadoop.hive.ql.udf.xml   
org.apache.hadoop.hive.ql.util   
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.exec
GenericUDAFEvaluator
          A Generic User-defined aggregation function (GenericUDAF) for the use with Hive.
GenericUDAFEvaluator.AggregationBuffer
          Deprecated. use GenericUDAFEvaluator.AbstractAggregationBuffer instead
GenericUDAFResolver
          Deprecated. Use GenericUDAFResolver2 instead.
GenericUDF
          A Generic User-defined function (GenericUDF) for the use with Hive.
GenericUDTF
          A Generic User-defined Table Generating Function (UDTF) Generates a variable number of output rows for a single input row.
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.optimizer.index
GenericUDAFEvaluator
          A Generic User-defined aggregation function (GenericUDAF) for the use with Hive.
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.plan
GenericUDAFEvaluator
          A Generic User-defined aggregation function (GenericUDAF) for the use with Hive.
GenericUDAFEvaluator.Mode
          Mode.
GenericUDF
          A Generic User-defined function (GenericUDF) for the use with Hive.
GenericUDTF
          A Generic User-defined Table Generating Function (UDTF) Generates a variable number of output rows for a single input row.
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.udf
GenericUDF
          A Generic User-defined function (GenericUDF) for the use with Hive.
GenericUDF.DeferredObject
          A Defered Object allows us to do lazy-evaluation and short-circuiting.
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.udf.generic
AbstractGenericUDAFResolver
          An abstract class to help facilitate existing implementations of GenericUDAFResolver to migrate towards the newly introduced interface GenericUDAFResolver2.
AbstractGenericUDFEWAHBitmapBop
          An abstract class for a UDF that performs a binary operation between two EWAH-compressed bitmaps.
AbstractGenericUDFReflect
          common class for reflective UDFs
Collector
          Collector gets data from a source.
DoubleNumDistinctValueEstimator
           
GenericUDAFAverage.AbstractGenericUDAFAverageEvaluator
           
GenericUDAFComputeStats.GenericUDAFDoubleStatsEvaluator.DoubleStatsAgg
           
GenericUDAFComputeStats.GenericUDAFLongStatsEvaluator.LongStatsAgg
           
GenericUDAFComputeStats.GenericUDAFStringStatsEvaluator.StringStatsAgg
           
GenericUDAFCovariance
          Compute the covariance covar_pop(x, y), using the following one-pass method (ref.
GenericUDAFCovariance.GenericUDAFCovarianceEvaluator
          Evaluate the variance using the algorithm described in http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance, presumably by Pébay, Philippe (2008), in "Formulas for Robust, One-Pass Parallel Computation of Covariances and Arbitrary-Order Statistical Moments", Technical Report SAND2008-6212, Sandia National Laboratories, http://infoserve.sandia.gov/sand_doc/2008/086212.pdf Incremental: n : mx_n = mx_(n-1) + [x_n - mx_(n-1)]/n : my_n = my_(n-1) + [y_n - my_(n-1)]/n : c_n = c_(n-1) + (x_n - mx_(n-1))*(y_n - my_n) : Merge: c_X = c_A + c_B + (mx_A - mx_B)*(my_A - my_B)*n_A*n_B/n_X This one-pass algorithm is stable.
GenericUDAFEvaluator
          A Generic User-defined aggregation function (GenericUDAF) for the use with Hive.
GenericUDAFEvaluator.AbstractAggregationBuffer
           
GenericUDAFEvaluator.AggregationBuffer
          Deprecated. use GenericUDAFEvaluator.AbstractAggregationBuffer instead
GenericUDAFEvaluator.AggregationType
           
GenericUDAFEvaluator.Mode
          Mode.
GenericUDAFFirstValue.GenericUDAFFirstValueEvaluator
           
GenericUDAFLastValue.GenericUDAFLastValueEvaluator
           
GenericUDAFLeadLag
          abstract class for Lead & lag UDAFs GenericUDAFLeadLag.
GenericUDAFLeadLag.GenericUDAFLeadLagEvaluator
           
GenericUDAFParameterInfo
          A callback interface used in conjunction with GenericUDAFResolver2 interface that allows for a more extensible and flexible means of discovering the parameter types provided for UDAF invocation.
GenericUDAFPercentileApprox.GenericUDAFPercentileApproxEvaluator
          Construct a histogram using the algorithm described by Ben-Haim and Tom-Tov, and then use it to compute an approximate percentile value.
GenericUDAFRank
           
GenericUDAFRank.GenericUDAFRankEvaluator
           
GenericUDAFResolver
          Deprecated. Use GenericUDAFResolver2 instead.
GenericUDAFResolver2
          This interface extends the GenericUDAFResolver interface and provides more flexibility in terms of discovering the parameter types supplied to the UDAF.
GenericUDAFVariance
          Compute the variance.
GenericUDAFVariance.GenericUDAFVarianceEvaluator
          Evaluate the variance using the algorithm described by Chan, Golub, and LeVeque in "Algorithms for computing the sample variance: analysis and recommendations" The American Statistician, 37 (1983) pp.
GenericUDF
          A Generic User-defined function (GenericUDF) for the use with Hive.
GenericUDF.DeferredObject
          A Defered Object allows us to do lazy-evaluation and short-circuiting.
GenericUDFBaseCompare
          GenericUDF Base Class for operations.
GenericUDFBaseCompare.CompareType
           
GenericUDFFromUtcTimestamp
           
GenericUDFLeadLag
           
GenericUDFOPEqual
          GenericUDF Class for operation EQUAL.
GenericUDFToUnixTimeStamp
          deterministic version of UDFUnixTimeStamp.
GenericUDFUtils.ReturnObjectInspectorResolver
          This class helps to find the return ObjectInspector for a GenericUDF.
GenericUDTF
          A Generic User-defined Table Generating Function (UDTF) Generates a variable number of output rows for a single input row.
LongNumDistinctValueEstimator
           
NumDistinctValueEstimator
           
StringNumDistinctValueEstimator
           
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.udf.xml
GenericUDF
          A Generic User-defined function (GenericUDF) for the use with Hive.
GenericUDF.DeferredObject
          A Defered Object allows us to do lazy-evaluation and short-circuiting.
 

Classes in org.apache.hadoop.hive.ql.udf.generic used by org.apache.hadoop.hive.ql.util
NumDistinctValueEstimator
           
NumericHistogram
          A generic, re-usable histogram class that supports partial aggregations.
 



Copyright © 2012 The Apache Software Foundation