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Packages that use GenericUDAFResolver2 | |
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org.apache.hadoop.hive.ql.udf.generic | Standard toolkit and framework for generic User-defined functions. |
Uses of GenericUDAFResolver2 in org.apache.hadoop.hive.ql.udf.generic |
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Classes in org.apache.hadoop.hive.ql.udf.generic that implement GenericUDAFResolver2 | |
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AbstractGenericUDAFResolver
An abstract class to help facilitate existing implementations of GenericUDAFResolver to migrate towards the newly introduced interface GenericUDAFResolver2 . |
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GenericUDAFAverage
GenericUDAFAverage. |
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GenericUDAFBridge
This class is a bridge between GenericUDAF and UDAF. |
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GenericUDAFCollectSet
GenericUDAFCollectSet |
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GenericUDAFComputeStats
GenericUDAFComputeStats |
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GenericUDAFCorrelation
Compute the Pearson correlation coefficient corr(x, y), using the following stable one-pass method, based on: "Formulas for Robust, One-Pass Parallel Computation of Covariances and Arbitrary-Order Statistical Moments", Philippe Pebay, Sandia Labs and "The Art of Computer Programming, volume 2: Seminumerical Algorithms", Donald Knuth. |
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GenericUDAFCount
This class implements the COUNT aggregation function as in SQL. |
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GenericUDAFCovariance
Compute the covariance covar_pop(x, y), using the following one-pass method (ref. |
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GenericUDAFCovarianceSample
Compute the sample covariance by extending GenericUDAFCovariance and overriding the terminate() method of the evaluator. |
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GenericUDAFCumeDist
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GenericUDAFDenseRank
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GenericUDAFEWAHBitmap
GenericUDAFEWAHBitmap. |
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GenericUDAFFirstValue
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GenericUDAFHistogramNumeric
Computes an approximate histogram of a numerical column using a user-specified number of bins. |
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GenericUDAFLag
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GenericUDAFLastValue
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GenericUDAFLead
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GenericUDAFLeadLag
abstract class for Lead & lag UDAFs GenericUDAFLeadLag. |
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GenericUDAFMax
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GenericUDAFMin
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GenericUDAFNTile
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GenericUDAFPercentileApprox
Computes an approximate percentile (quantile) from an approximate histogram, for very large numbers of rows where the regular percentile() UDAF might run out of memory. |
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GenericUDAFPercentRank
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GenericUDAFRank
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GenericUDAFRowNumber
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GenericUDAFStd
Compute the standard deviation by extending GenericUDAFVariance and overriding the terminate() method of the evaluator. |
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GenericUDAFStdSample
Compute the sample standard deviation by extending GenericUDAFVariance and overriding the terminate() method of the evaluator. |
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GenericUDAFSum
GenericUDAFSum. |
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GenericUDAFVariance
Compute the variance. |
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GenericUDAFVarianceSample
Compute the sample variance by extending GenericUDAFVariance and overriding the terminate() method of the evaluator. |
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