| /* |
| * Copyright (c) 1998, 2021 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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 { |
| @Override |
| 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(); |
| } |
| } |