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/*
* 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.queries.report;
import java.util.Enumeration;
import java.util.Vector;
import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.expressions.ExpressionBuilder;
import org.eclipse.persistence.queries.ReportQuery;
import org.eclipse.persistence.testing.models.employee.domain.Employee;
import org.eclipse.persistence.testing.models.employee.domain.PhoneNumber;
//Bug4942640 This is the only way to support EJBQL in a consistent manner as in ReportQueryAndExistsSubQuery.
//It generates extra joins. The generated sql is: SELECT t0.EMP_ID, t1.EMP_ID, t0.L_NAME, t0.F_NAME, t1.SALARY, t0.GENDER,
//t0.END_DATE, t0.START_DATE, t0.MANAGER_ID, t0.ADDR_ID, t0.VERSION FROM EMPLOYEE t0, SALARY t1 WHERE (EXISTS (SELECT DISTINCT
//t2.AREA_CODE FROM PHONE t3, PHONE t2 WHERE (((t3.AREA_CODE LIKE '613') AND (t1.EMP_ID = t0.EMP_ID)) AND ((t3.EMP_ID = t0.EMP_ID)
//AND (t2.EMP_ID = t0.EMP_ID)))) AND (t1.EMP_ID = t0.EMP_ID))
public class ReportQueryAndExistsSubQueryWithWhereClause extends ReportQueryTestCase {
public ReportQueryAndExistsSubQueryWithWhereClause() {
setDescription("ReportQuery and exists subQuery with selection criteria");
}
@Override
protected void buildExpectedResults() {
Vector employees = getSession().readAllObjects(Employee.class);
for (Enumeration e = employees.elements(); e.hasMoreElements();) {
Employee emp = (Employee)e.nextElement();
for (Enumeration pe = emp.getPhoneNumbers().elements(); pe.hasMoreElements();) {
PhoneNumber phone = (PhoneNumber)pe.nextElement();
if (phone.getAreaCode().equals("613")) {
Object[] result = new Object[1];
result[0] = emp;
addResult(result, null);
break;
}
}
}
}
@Override
protected void setup() throws Exception {
if (getSession().isRemoteSession()) {
throwWarning("Report queries with objects are not supported on remote session.");
}
super.setup();
reportQuery = new ReportQuery(Employee.class, new ExpressionBuilder());
ExpressionBuilder builder = reportQuery.getExpressionBuilder();
reportQuery.addAttribute("employee", builder);
ReportQuery innerQuery = new ReportQuery(Employee.class, new ExpressionBuilder());
innerQuery.addAttribute("areaCode", builder.anyOf("phoneNumbers").get("areaCode"));
Expression innerExp = builder.anyOf("phoneNumbers").get("areaCode").like("613");
innerQuery.setSelectionCriteria(innerExp);
Expression exists = builder.exists(innerQuery);
reportQuery.setSelectionCriteria(exists);
}
}