package org.apache.ddlutils.platform.axion;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * Modified by
 * @author  Data Virtuality GmbH
 * @date    $Date$
 *  
 */

import java.io.IOException;

import org.apache.ddlutils.Platform;
import org.apache.ddlutils.model.Column;
import org.apache.ddlutils.model.Index;
import org.apache.ddlutils.model.Table;
import org.apache.ddlutils.platform.SqlBuilder;

/**
 * The SQL Builder for the Axion database.
 * 
 * @version $Revision: 463757 $
 */
public class AxionBuilder extends SqlBuilder
{
    /**
     * Creates a new axion sql builder.
     * 
     * @param platform The plaftform this builder belongs to
     */
    public AxionBuilder(Platform platform)
    {
        super(platform);
        addEscapedCharSequence("'", "''");
    }

    /**
     * {@inheritDoc}
     */
    protected void writeColumnAutoIncrementStmt(Table table, Column column) throws IOException
    {
        print("GENERATED BY DEFAULT AS IDENTITY");
    }

    /**
     * {@inheritDoc}
     */
    public void dropTable(Table table) throws IOException
    { 
        print("DROP TABLE IF EXISTS ");
        printIdentifier(getTableName(table));
        printEndOfStatement();
    }

    /**
     * {@inheritDoc}
     */
    public void writeExternalIndexDropStmt(Table table, Index index) throws IOException
    {
        print("DROP INDEX ");
        printIdentifier(getIndexName(index));
        printEndOfStatement();
    }
}
