ch.ethz.mxquery.opt.index
Class IndexSchema

java.lang.Object
  ch.ethz.mxquery.opt.index.IndexSchema

All Implemented Interfaces:

Traversable

Direct Known Subclasses:

CompareLiteralIndexSchema, SimpleIndexSchema

public abstract class IndexSchema
extends java.lang.Object
implements Traversable

Constructor Summary

IndexSchema(int indexNb)

Method Summary

abstract java.lang.String	getColumnName(int position)
abstract int	getComparator(int position)
abstract int	getCompareType(int position)
int	getId()
boolean	isGroupByIndex()
boolean	isSimpleValueIndex()
void	setGroupByIndex(boolean groupByIndex)
void	setId(int indexNb) In some cases it is not possible to give a unique id at front
void	setSimpleValueIndex(boolean simpleValueIndex)
abstract int	size()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ch.ethz.mxquery.util.Traversable

traverse

Constructor Detail

IndexSchema

public IndexSchema(int indexNb)

Method Detail

size

public abstract int size()

getColumnName

public abstract java.lang.String getColumnName(int position)

getComparator

public abstract int getComparator(int position)

getCompareType

public abstract int getCompareType(int position)

getId

public int getId()

setId

public void setId(int indexNb)

In some cases it is not possible to give a unique id at front

Parameters:

indexNb -

isSimpleValueIndex

public boolean isSimpleValueIndex()

setSimpleValueIndex

public void setSimpleValueIndex(boolean simpleValueIndex)

setGroupByIndex

public void setGroupByIndex(boolean groupByIndex)

isGroupByIndex

public boolean isGroupByIndex()