org.dcm4chee.arr.dialect.PatchedMySQL5InnoDBDialect.java Source code

Introduction

Here is the source code for org.dcm4chee.arr.dialect.PatchedMySQL5InnoDBDialect.java

Source

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2012
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

package org.dcm4chee.arr.dialect;

import java.sql.Types;

import org.hibernate.dialect.MySQL5InnoDBDialect;
import org.hibernate.internal.util.StringHelper;

/**
 * @author Torsten Krah
 * @see https://hibernate.onjira.com/browse/HHH-6935
 *
 */
public class PatchedMySQL5InnoDBDialect extends MySQL5InnoDBDialect {

    public PatchedMySQL5InnoDBDialect() {
        registerColumnType(Types.BOOLEAN, "bit");
    }

    // Avoid explicit creation of index, so MySQL will drop the implicit
    // created index on later explicit creation of another index that can be
    // used to enforce the foreign key constraint.
    @Override
    public String getAddForeignKeyConstraintString(String constraintName, String[] foreignKey,
            String referencedTable, String[] primaryKey, boolean referencesPrimaryKey) {
        String cols = StringHelper.join(", ", foreignKey);
        return new StringBuilder(30).append(" add constraint ").append(constraintName).append(" foreign key (")
                .append(cols).append(") references ").append(referencedTable).append(" (")
                .append(StringHelper.join(", ", primaryKey)).append(')').toString();
    }

}