public abstract class Base extends EvalFunc<Double>
EvalFunc.SchemaType
log, pigLogger, reporter, returnType
Constructor and Description |
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Base() |
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.
|
Schema |
outputSchema(Schema input)
Report the schema of the output of this UDF.
|
exec, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn
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<Double>
input
- Schema of the inputpublic boolean allowCompileTimeCalculation()
EvalFunc
allowCompileTimeCalculation
in class EvalFunc<Double>
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