org.apache.hadoop.hive.ql.plan
Class UnionDesc

java.lang.Object
  extended by org.apache.hadoop.hive.ql.plan.AbstractOperatorDesc
      extended by org.apache.hadoop.hive.ql.plan.UnionDesc
All Implemented Interfaces:
Serializable, Cloneable, OperatorDesc

public class UnionDesc
extends AbstractOperatorDesc

unionDesc is a empty class currently. However, union has more than one input (as compared with forward), and therefore, we need a separate class.

See Also:
Serialized Form

Constructor Summary
UnionDesc()
           
 
Method Summary
 int getNumInputs()
           
 void setNumInputs(int numInputs)
           
 
Methods inherited from class org.apache.hadoop.hive.ql.plan.AbstractOperatorDesc
clone
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

UnionDesc

public UnionDesc()
Method Detail

getNumInputs

public int getNumInputs()
Returns:
the numInputs

setNumInputs

public void setNumInputs(int numInputs)
Parameters:
numInputs - the numInputs to set


Copyright © 2013 The Apache Software Foundation