org.aksw.sparqlify.algebra.sql.nodes

Class SqlNodeEmpty

java.lang.Object

org.aksw.sparqlify.algebra.sql.nodes.SqlNodeBase

org.aksw.sparqlify.algebra.sql.nodes.SqlNodeBase0

org.aksw.sparqlify.algebra.sql.nodes.SqlNodeEmpty

All Implemented Interfaces:

SqlNodeOld

public class SqlNodeEmpty
extends SqlNodeBase0

A node corresponding to an empty relation.

Author:

raven

Field Summary

Fields inherited from class org.aksw.sparqlify.algebra.sql.nodes.SqlNodeBase

aliasName

Constructor Summary

Constructors

Constructor and Description
SqlNodeEmpty()
SqlNodeEmpty(String aliasName)

Method Summary

Methods

Modifier and Type	Method and Description
SqlNodeOld	copy0()

Methods inherited from class org.aksw.sparqlify.algebra.sql.nodes.SqlNodeBase0

copy, getArgs

Methods inherited from class org.aksw.sparqlify.algebra.sql.nodes.SqlNodeBase

getAliasName, getAliasToColumn, getConstraints, getSparqlVarsMentioned, getSparqlVarToExprs, toString, write

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlNodeEmpty

public SqlNodeEmpty()

SqlNodeEmpty

public SqlNodeEmpty(String aliasName)

Method Detail

copy0

public SqlNodeOld copy0()