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/*
 * Copyright (c) 1998, 2023 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.queries;

import org.eclipse.persistence.exceptions.DatabaseException;
import org.eclipse.persistence.exceptions.QueryException;
import org.eclipse.persistence.internal.sessions.UnitOfWorkImpl;

/**
 * 

Purpose: * Concrete class used for executing non selecting SQL strings. * *

Responsibilities: *

    *
  • Execute a non selecting raw SQL string. *
* * @author Yvon Lavoie * @since TOPLink/Java 1.0 */ public class DataModifyQuery extends ModifyQuery { /** Used to distinguish query that have a different modify row than translation row. */ protected boolean hasModifyRow; public DataModifyQuery() { super(); } /** * Warning: Allowing an unverified SQL string to be passed into this * method makes your application vulnerable to SQL injection attacks. */ public DataModifyQuery(String sqlString) { this(); setSQLString(sqlString); } public DataModifyQuery(Call call) { this(); setCall(call); } /** * Return if a modify row has been set. * Allows distinguishing query that have a different modify row than translation row. */ public boolean hasModifyRow() { return hasModifyRow; } /** * Set if a modify row has been set. * Allows distinguishing query that have a different modify row than translation row. */ public void setHasModifyRow(boolean hasModifyRow) { this.hasModifyRow = hasModifyRow; } /** * INTERNAL: * Perform the work to execute the SQL call. * Return the row count of the number of rows effected by the SQL call. */ @Override public Object executeDatabaseQuery() throws DatabaseException { /* Fix to allow executing non-selecting SQL in a UnitOfWork. - RB */ if (this.session.isUnitOfWork()) { UnitOfWorkImpl unitOfWork = (UnitOfWorkImpl)this.session; /* bug:4211104 for DataModifyQueries executed during an event, while transaction was started by the uow*/ if (!unitOfWork.getCommitManager().isActive() && !unitOfWork.isInTransaction()) { unitOfWork.beginEarlyTransaction(); } unitOfWork.setWasNonObjectLevelModifyQueryExecuted(true); } return getQueryMechanism().executeNoSelect(); } /** * PUBLIC: * Return if this is a data modify query. */ @Override public boolean isDataModifyQuery() { return true; } /** * INTERNAL: * Prepare the receiver for execution in a session. */ @Override protected void prepare() { super.prepare(); getQueryMechanism().prepareExecuteNoSelect(); } /** * INTERNAL: * Prepare the receiver for execution in a session. In particular, * set the descriptor of the receiver to the ClassDescriptor for the * appropriate class for the receiver's object. */ @Override public void prepareForExecution() throws QueryException { super.prepareForExecution(); // Only replace the modify row if unset. if (!this.hasModifyRow) { this.modifyRow = this.translationRow; } } }




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