| /* |
| * Copyright (c) 1998, 2020 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.internal.expressions; |
| |
| import java.io.*; |
| import org.eclipse.persistence.exceptions.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.internal.databaseaccess.DatabaseCall; |
| import org.eclipse.persistence.internal.sessions.AbstractSession; |
| |
| /** |
| * <p><b>Purpose</b>: Print DELETE statement. |
| * <p><b>Responsibilities</b>:<ul> |
| * <li> Print DELETE statement. |
| * </ul> |
| * @author Dorin Sandu |
| * @since TOPLink/Java 1.0 |
| */ |
| public class SQLDeleteStatement extends SQLModifyStatement { |
| |
| /** |
| * Append the string containing the SQL insert string for the given table. |
| */ |
| @Override |
| public DatabaseCall buildCall(AbstractSession session) { |
| SQLCall call = new SQLCall(); |
| call.returnNothing(); |
| |
| Writer writer = new CharArrayWriter(100); |
| try { |
| writer.write("DELETE "); |
| |
| if (getHintString() != null) { |
| writer.write(getHintString()); |
| writer.write(" "); |
| } |
| writer.write("FROM "); |
| writer.write(getTable().getQualifiedNameDelimited(session.getPlatform())); |
| |
| if (getWhereClause() != null) { |
| writer.write(" WHERE "); |
| ExpressionSQLPrinter printer = new ExpressionSQLPrinter(session, getTranslationRow(), call, false, getBuilder()); |
| printer.setWriter(writer); |
| printer.printExpression(getWhereClause()); |
| } |
| |
| call.setSQLString(writer.toString()); |
| } catch (IOException exception) { |
| throw ValidationException.fileError(exception); |
| } |
| return call; |
| } |
| } |