Package org.apache.pig.impl.builtin

Class Summary
DefaultIndexableLoader Used by MergeJoin .
FindQuantiles  
GetMemNumRows UDF to get memory size of a tuple and extracts number of rows value from special tuple created by PoissonSampleLoader It is used by skewed join.
GFAny built-in grouping function; permits system to choose any grouping.
GFCross  
GFReplicate  
PartitionSkewedKeys Partition reducers for skewed keys.
PoissonSampleLoader See "Skewed Join sampler" in http://wiki.apache.org/pig/PigSampler
RandomSampleLoader A loader that samples the data.
SampleLoader Abstract class that specifies the interface for sample loaders
 



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