public class DoubleMin extends EvalFunc<Double>
Math.min(int,int) for computing the
the min value of the arguments. The returned value will be an int which is
the minimum of the inputs.
value - 2 int values.int min value of two input
register math.jar;
A = load 'mydata' using PigStorage() as ( float1 );
B = foreach A generate float1, math.min(float1);
Math#min(double),
EvalFunc.SchemaTypelog, pigLogger, reporter, returnType| Constructor and Description |
|---|
DoubleMin() |
| Modifier and Type | Method and Description |
|---|---|
Double |
exec(Tuple input)
java level API
|
Schema |
outputSchema(Schema input)
Report the schema of the output of this UDF.
|
allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic Double exec(Tuple input) throws IOException
exec in class EvalFunc<Double>input - expects a two numeric valueoutput - returns a single numeric value, which is the smaller of two inputsIOExceptionpublic Schema outputSchema(Schema input)
EvalFunc
The default implementation interprets the OutputSchema annotation,
if one is present. Otherwise, it returns null (no known output schema).
outputSchema in class EvalFunc<Double>input - Schema of the inputCopyright © 2007-2017 The Apache Software Foundation