| 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.
|
Copyright © 2007-2017 The Apache Software Foundation