Package org.apache.pig.piggybank.evaluation

Class Summary

Class	Description
ExtremalTupleByNthField	This class is similar to MaxTupleBy1stField except that it allows you to specify with field to use (instead of just using 1st field) and to specify ascending or descending.
ExtremalTupleByNthField.HelperClass	Utility classes and methods
IsDouble	This UDF is used to check whether the String input is a Double.
IsFloat	This UDF is used to check whether the String input is a Float.
IsInt	This UDF is used to check whether the String input is an Integer.
IsLong	This UDF is used to check whether the String input is a Long.
IsNumeric	This UDF is used to check if a String is numeric.
MaxTupleBy1stField	MaxTupleBy1stField UDF returns a tuple with max value of the first field in a given bag.
MaxTupleBy1stField.Final
MaxTupleBy1stField.Initial
MaxTupleBy1stField.Intermediate
Over	Given an aggregate function, a bag, and possibly a window definition, produce output that matches SQL OVER.
Stitch	Given a set of bags, stitch them together tuple by tuple.