public class IntMin extends EvalFunc<Integer>
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.SchemaType
log, pigLogger, reporter, returnType
Constructor and Description |
---|
IntMin() |
Modifier and Type | Method and Description |
---|---|
Integer |
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, warn
public Integer exec(Tuple input) throws IOException
exec
in class EvalFunc<Integer>
input
- expects a two numeric valueoutput
- returns a single numeric value, which is the smaller of two inputsIOException
public 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<Integer>
input
- Schema of the inputCopyright © 2007-2017 The Apache Software Foundation