public class Estimate extends org.apache.pig.EvalFunc<Double>
Constructor and Description |
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Estimate()
Constructs with the DEFAULT_UPDATE_SEED used when deserializing the sketch.
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Estimate(long seed)
Constructs with the given seed.
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Estimate(String seedStr)
Constructs with the given seed.
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Modifier and Type | Method and Description |
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Double |
exec(org.apache.pig.data.Tuple sketchTuple) |
allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, outputSchema, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn
public Estimate()
public Estimate(String seedStr)
seedStr
- the string seed used when deserializing the sketch.public Estimate(long seed)
seed
- used when deserializing the sketch.public Double exec(org.apache.pig.data.Tuple sketchTuple) throws IOException
exec
in class org.apache.pig.EvalFunc<Double>
IOException
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