org.apache.pig.piggybank.evaluation.math
Class LOG10

java.lang.Object
  extended by org.apache.pig.EvalFunc<Double>
      extended by org.apache.pig.piggybank.evaluation.math.Base
          extended by org.apache.pig.piggybank.evaluation.math.DoubleBase
              extended by org.apache.pig.piggybank.evaluation.math.LOG10

public class LOG10
extends DoubleBase

math.LOG10 implements a binding to the Java function Math.log10(double). Given a single data atom it returns the base 10 logarithm of a double

Parameters:
value - Double.
Return Value:
Double
Return Schema:
LOG10_inputSchema
Example:
register math.jar;
A = load 'mydata' using PigStorage() as ( float1 );
B = foreach A generate float1, math.LOG10(float1);

Author:
ajay garg
See Also:
Math.log10(double),

Field Summary
 
Fields inherited from class org.apache.pig.EvalFunc
log, pigLogger, reporter, returnType
 
Constructor Summary
LOG10()
           
 
Method Summary
 
Methods inherited from class org.apache.pig.piggybank.evaluation.math.DoubleBase
exec, getArgToFuncMapping
 
Methods inherited from class org.apache.pig.piggybank.evaluation.math.Base
outputSchema
 
Methods inherited from class org.apache.pig.EvalFunc
finish, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, progress, setPigLogger, setReporter, warn
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

LOG10

public LOG10()


Copyright © ${year} The Apache Software Foundation