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/*******************************************************************************
* Copyright (c) 2015 IBM Corporation. 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:
* 03/19/2015 - Rick Curtis
* - 462586 : Add national character support for z/OS.
*****************************************************************************/
package org.eclipse.persistence.platform.database;
import java.util.Hashtable;
import org.eclipse.persistence.internal.databaseaccess.FieldTypeDefinition;
/**
* <b>Purpose</b>: Provides DB2 z/OS specific behavior.
* <p>
* This provides for some additional compatibility in certain DB2 versions.
* <p>
* <b>Responsibilities</b>:
* <ul>
* <li>Support creating tables that handle multibyte characters
* </ul>
*/
public class DB2ZPlatform extends DB2Platform {
@Override
protected Hashtable buildFieldTypes() {
Hashtable<Class<?>, Object> res = super.buildFieldTypes();
if (getUseNationalCharacterVaryingTypeForString()) {
res.put(String.class, new FieldTypeDefinition("VARCHAR", DEFAULT_VARCHAR_SIZE));
}
return res;
}
@Override
public String getTableCreationSuffix() {
// If we're on Z and using unicode support we need to append CCSID
// UNICODE on the table rather than FOR MIXED DATA on each column
if (getUseNationalCharacterVaryingTypeForString()) {
return " CCSID UNICODE";
}
return super.getTableCreationSuffix();
}
}
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