Package edu.caltech.nanodb.relations

Class IndexColumnRefs

java.lang.Object

edu.caltech.nanodb.relations.ColumnRefs

edu.caltech.nanodb.relations.IndexColumnRefs

public class IndexColumnRefs
extends ColumnRefs

This class records that there is an index built on a particular set of columns. The name of the index is recorded, which can be used with the IndexManager to retrieve specific details of the index.

Note that indexes don't indicate constraint details. All constraints are indicated separately on the Schema class. Indexes merely facilitate speedy enforcement of constraints.

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.String	indexName	This is the actual name for referring to the index.

Constructor Summary

Constructors

Constructor	Description
IndexColumnRefs(java.lang.String indexName, int[] colIndexes)
IndexColumnRefs(java.lang.String indexName, KeyColumnRefs keyColRefs)

Method Summary

Modifier and Type	Method	Description
java.lang.String	getIndexName()
void	setIndexName(java.lang.String indexName)

Methods inherited from class edu.caltech.nanodb.relations.ColumnRefs

equalsColumns, equalsColumns, getCol, getCols, getConstraintName, getConstraintType, hasSameColumns, hasSameColumns, setConstraintName, setConstraintType, size, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

indexName

private java.lang.String indexName

This is the actual name for referring to the index. It is mapped to an index filename, where the index is actually stored.

Constructor Detail

IndexColumnRefs

public IndexColumnRefs(java.lang.String indexName,
                       int[] colIndexes)

IndexColumnRefs

public IndexColumnRefs(java.lang.String indexName,
                       KeyColumnRefs keyColRefs)

Method Detail

getIndexName

public java.lang.String getIndexName()

setIndexName

public void setIndexName(java.lang.String indexName)