org.jooq.util.mysql.MySQLTableDefinition Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jooq-meta Show documentation
There is a newer version: 3.19.16
/**
 * Copyright (c) 2009-2013, Lukas Eder, [email protected]
 * All rights reserved.
 *
 * This software is licensed to you under the Apache License, Version 2.0
 * (the "License"); You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * . Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * . Neither the name "jOOQ" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package org.jooq.util.mysql;

import static java.util.Arrays.asList;
import static org.jooq.util.mysql.information_schema.tables.Columns.COLUMNS;
import static org.jooq.util.mysql.information_schema.tables.Columns.ORDINAL_POSITION;
import static org.jooq.util.mysql.information_schema.tables.Columns.TABLE_NAME;
import static org.jooq.util.mysql.information_schema.tables.Columns.TABLE_SCHEMA;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.jooq.Record;
import org.jooq.util.AbstractTableDefinition;
import org.jooq.util.ColumnDefinition;
import org.jooq.util.DataTypeDefinition;
import org.jooq.util.DefaultColumnDefinition;
import org.jooq.util.DefaultDataTypeDefinition;
import org.jooq.util.SchemaDefinition;
import org.jooq.util.mysql.information_schema.tables.Columns;

/**
 * @author Lukas Eder
 */
public class MySQLTableDefinition extends AbstractTableDefinition {

    public MySQLTableDefinition(SchemaDefinition schema, String name, String comment) {
        super(schema, name, comment);
	}

	@Override
	public List getElements0() throws SQLException {
		List result = new ArrayList();

		for (Record record : create().select(
        		    Columns.ORDINAL_POSITION,
    		        Columns.COLUMN_NAME,
    		        Columns.COLUMN_COMMENT,
    		        Columns.COLUMN_TYPE,
    		        Columns.DATA_TYPE,
    		        Columns.IS_NULLABLE,
    		        Columns.CHARACTER_MAXIMUM_LENGTH,
    		        Columns.NUMERIC_PRECISION,
    		        Columns.NUMERIC_SCALE,
    		        Columns.EXTRA)
    		    .from(COLUMNS)
    		    .where(TABLE_SCHEMA.equal(getSchema().getName()))
    		    .and(TABLE_NAME.equal(getName()))
    		    .orderBy(ORDINAL_POSITION)
    		    .fetch()) {

		    String dataType = record.getValue(Columns.DATA_TYPE);

		    // [#519] Some types have unsigned versions
		    if (getDatabase().supportsUnsignedTypes()) {
    		    if (asList("tinyint", "smallint", "mediumint", "int", "bigint").contains(dataType.toLowerCase())) {
    	            if (record.getValue(Columns.COLUMN_TYPE).toLowerCase().contains("unsigned")) {
    	                dataType += "unsigned";
    	            }
    		    }
		    }

            DataTypeDefinition type = new DefaultDataTypeDefinition(
                getDatabase(),
                getSchema(),
                dataType,
                record.getValue(Columns.CHARACTER_MAXIMUM_LENGTH),
                record.getValue(Columns.NUMERIC_PRECISION),
                record.getValue(Columns.NUMERIC_SCALE),
                getName() + "_" + record.getValue(Columns.COLUMN_NAME));

			ColumnDefinition column = new DefaultColumnDefinition(
				getDatabase().getTable(getSchema(), getName()),
			    record.getValue(Columns.COLUMN_NAME),
			    record.getValue(Columns.ORDINAL_POSITION, int.class),
			    type,
			    record.getValue(Columns.IS_NULLABLE, boolean.class),
			    "auto_increment".equalsIgnoreCase(record.getValue(Columns.EXTRA)),
			    record.getValue(Columns.COLUMN_COMMENT));

			result.add(column);
		}

		return result;
	}
}