ROUND
@Deprecated public class ROUND extends EvalFunc<Long>
EvalFunc.SchemaType
log, pigLogger, reporter, returnType
Constructor and Description |
---|
ROUND()
Deprecated.
|
Modifier and Type | Method and Description |
---|---|
Long |
exec(Tuple input)
Deprecated.
java level API
|
List<FuncSpec> |
getArgToFuncMapping()
Deprecated.
Allow a UDF to specify type specific implementations of itself.
|
Schema |
outputSchema(Schema input)
Deprecated.
Report the schema of the output of this UDF.
|
allowCompileTimeCalculation, finish, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn
public Long exec(Tuple input) throws IOException
exec
in class EvalFunc<Long>
input
- expects a single numeric valueoutput
- returns a single numeric value,
the closest long to the argumentIOException
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<Long>
input
- Schema of the inputpublic List<FuncSpec> getArgToFuncMapping() throws FrontendException
EvalFunc
getArgToFuncMapping
in class EvalFunc<Long>
FrontendException
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