/******************************************************************************* | |
* 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.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; | |
//Bug4942640 This is the only way to support EJBQL in a consistent manner as in ReportQueryAndExistsSubQueryWithWhereClause. | |
//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.TYPE, t2.P_NUMBER, t2.AREA_CODE, t2.EMP_ID FROM SALARY t4, EMPLOYEE t3, PHONE t2 | |
//WHERE ((t4.EMP_ID = t3.EMP_ID) AND (t2.EMP_ID = t0.EMP_ID))) AND (t1.EMP_ID = t0.EMP_ID)) | |
public class ReportQueryAndExistsSubQuery extends ReportQueryTestCase { | |
public ReportQueryAndExistsSubQuery() { | |
setDescription("ReportQuery and exists subQuery"); | |
} | |
protected void buildExpectedResults() { | |
Vector employees = getSession().readAllObjects(Employee.class); | |
for (Enumeration e = employees.elements(); e.hasMoreElements();) { | |
Employee emp = (Employee)e.nextElement(); | |
Object[] result = new Object[1]; | |
result[0] = emp; | |
addResult(result, null); | |
} | |
} | |
protected void setup() throws Exception { | |
if (getSession().isRemoteSession()) { | |
throwWarning("Report queries with objects are not supported on remote session."); | |
} | |
if (getSession().getPlatform().isDerby() || getSession().getPlatform().isSybase()) { | |
throwWarning("Exists with multiple values not supported on " + getSession().getPlatform()); | |
} | |
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("phoneNumbers", builder.anyOf("phoneNumbers")); | |
Expression exists = builder.exists(innerQuery); | |
reportQuery.setSelectionCriteria(exists); | |
} | |
} |