EvalFunc.SchemaTypelog, pigLogger, reporter, returnType| Constructor and Description |
|---|
FloatAbs() |
| Modifier and Type | Method and Description |
|---|---|
boolean |
allowCompileTimeCalculation()
Whether the UDF should be evaluated at compile time if all inputs are constant.
|
Float |
exec(Tuple input)
java level API
|
Schema |
outputSchema(Schema input)
Report the schema of the output of this UDF.
|
finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic Float exec(Tuple input) throws IOException
exec in class EvalFunc<Float>input - expects a single numeric valueIOExceptionpublic 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<Float>input - Schema of the inputpublic boolean allowCompileTimeCalculation()
EvalFuncallowCompileTimeCalculation in class EvalFunc<Float>Copyright © 2007-2017 The Apache Software Foundation