org.aksw.sparqlify.algebra.sql.exprs

Class SqlAggregatorCount

java.lang.Object

org.aksw.sparqlify.algebra.sql.exprs.SqlAggregatorCount

All Implemented Interfaces:

SqlAggregator

public class SqlAggregatorCount
extends Object
implements SqlAggregator

Only Count(*) supported yet

Author:

Claus Stadler

Constructor Summary

Constructors

Constructor and Description
SqlAggregatorCount()

Method Summary

Methods

Modifier and Type	Method and Description
SqlDatatype	getDatatype() This method must always return the same result
SqlExpr	getExpr()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlAggregatorCount

public SqlAggregatorCount()

Method Detail

getExpr

public SqlExpr getExpr()

Specified by:

getExpr in interface SqlAggregator

getDatatype

public SqlDatatype getDatatype()

Description copied from interface: SqlAggregator

This method must always return the same result

Specified by:

getDatatype in interface SqlAggregator

Returns:

toString

public String toString()

Overrides:

toString in class Object