/******************************************************************************* | |
* 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.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. | |
*/ | |
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; | |
} | |
} |