org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Class ColumnInfo

java.lang.Object

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.ColumnInfo

All Implemented Interfaces:

Cloneable

public class ColumnInfo
extends Object
implements Cloneable

Constructor Summary

Constructors

Constructor and Description
ColumnInfo(int startCol, byte type) Constructor for range projection or project-star
ColumnInfo(List<Integer> columns, byte type)

Method Summary

Methods

Modifier and Type	Method and Description
Object	clone()
boolean	equals(Object o2)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ColumnInfo

public ColumnInfo(List<Integer> columns,
          byte type)

ColumnInfo

public ColumnInfo(int startCol,
          byte type)

Constructor for range projection or project-star

Parameters:

startCol -

type -

Method Detail

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o2)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class Object

Throws:

CloneNotSupportedException