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| Class Summary | |
|---|---|
| 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. |
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