/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.jpql; | |
// Domain imports | |
import org.eclipse.persistence.testing.models.employee.domain.*; | |
//TopLink imports | |
import org.eclipse.persistence.queries.*; | |
import org.eclipse.persistence.expressions.*; | |
public class SelectCOUNTOneToOneTest extends JPQLTestCase { | |
public void setup() { | |
String ejbqlString = null; | |
//Using a ReportQuery, COUNT employees that have a phone number | |
ReportQuery query = new ReportQuery(); | |
query.setReferenceClass(PhoneNumber.class); | |
query.addCount("COUNT", new ExpressionBuilder().get("owner").distinct()); | |
query.returnSingleAttribute(); | |
query.dontRetrievePrimaryKeys(); | |
query.setName("selectEmployeesThatHavePhoneNumbers"); | |
setOriginalOject(getSession().executeQuery(query)); | |
setReferenceClass(PhoneNumber.class); | |
useReportQuery(); | |
//setup the EJBQL to do the same | |
ejbqlString = "SELECT COUNT(DISTINCT phone.owner) FROM Phone phone"; | |
setEjbqlString(ejbqlString); | |
super.setup(); | |
} | |
} |