EvalFunc.SchemaType
log, pigLogger, reporter, returnType
Constructor and Description |
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FloatAbs() |
Modifier and Type | Method and Description |
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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, warn
public Float exec(Tuple input) throws IOException
exec
in class EvalFunc<Float>
input
- expects a single numeric valueIOException
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<Float>
input
- Schema of the inputpublic boolean allowCompileTimeCalculation()
EvalFunc
allowCompileTimeCalculation
in class EvalFunc<Float>
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