| /* |
| * 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: |
| // dminsky - initial API and implementation |
| package org.eclipse.persistence.testing.tests.queries; |
| |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.exceptions.*; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.sessions.server.*; |
| |
| /** |
| * Test to ensure that a connection is released by a ServerSession after a query |
| * is executed with a query timeout value set, and a cursor is returned. |
| * EL Bug 244241 - connection not released on query timeout when cursor used |
| * @author dminsky |
| */ |
| public class QueryTimeoutConnectionReleasedTest extends TestCase { |
| |
| protected boolean queryTimeoutExceeded; |
| protected int preConnectionsAvailable; |
| protected int postConnectionsAvailable; |
| protected ServerSession serverSession; |
| |
| public QueryTimeoutConnectionReleasedTest() { |
| setDescription("Test the ServerSession releases pooled connections with a query returning a cursor and query timeout set"); |
| } |
| |
| @Override |
| public void setup() { |
| preConnectionsAvailable = 0; |
| postConnectionsAvailable = 0; |
| queryTimeoutExceeded = false; |
| serverSession = (ServerSession)getSession().getProject().createServerSession(5,5); |
| DatabaseLogin clonedLogin = (DatabaseLogin) getSession().getLogin().clone(); |
| serverSession.setLogin(clonedLogin); |
| serverSession.login(); |
| } |
| |
| @Override |
| public void test() { |
| if (getSession().getPlatform().isSymfoware()) { |
| throwWarning("Test QueryTimeoutConnectionReleasedTest skipped for this platform, " |
| + "the driver does not support query timeout. (bug 304905)"); |
| } |
| if (getSession().getPlatform().isMaxDB()) { |
| throwWarning("Test QueryTimeoutConnectionReleasedTest skipped for this platform, " |
| + "the driver does not support query timeout. (bug 326503)"); |
| } |
| if (getSession().getPlatform().isHANA()) { |
| throwWarning("Test QueryTimeoutConnectionReleasedTest skipped for this platform, " |
| + "the driver does not support query timeout. (bug 384135)"); |
| } |
| preConnectionsAvailable = serverSession.getReadConnectionPool().getConnectionsAvailable().size(); |
| try { |
| DataReadQuery query = new DataReadQuery(); |
| String sqlString = "SELECT SUM(e.EMP_ID) from EMPLOYEE e , EMPLOYEE b, EMPLOYEE c, EMPLOYEE d, EMPLOYEE f, EMPLOYEE g, EMPLOYEE h"; |
| query.setSQLString(sqlString); |
| query.setQueryTimeout(1); |
| query.useCursoredStream(1, 1); |
| serverSession.acquireClientSession().executeQuery(query); |
| } catch (Exception e) { |
| if (e instanceof DatabaseException) { |
| queryTimeoutExceeded = true; |
| } |
| } finally { |
| postConnectionsAvailable = serverSession.getReadConnectionPool().getConnectionsAvailable().size(); |
| } |
| } |
| |
| @Override |
| public void verify() { |
| // It is expected that the query timeout was exceeded, and also the number of connections available after the exception is the same as before |
| if (queryTimeoutExceeded) { |
| if (preConnectionsAvailable != postConnectionsAvailable) { |
| throw new TestErrorException("Number of connections available in pool is: " + postConnectionsAvailable + " expected: " + preConnectionsAvailable); |
| } |
| } else { |
| throw new TestErrorException("Query timeout was not exceeded, this is required for correct testing"); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| if (this.serverSession != null) { |
| serverSession.logout(); |
| serverSession.release(); |
| } |
| } |
| |
| } |