Package org.jooq.academy.section1

Source Code of org.jooq.academy.section1.Example_1_3_DMLStatements

/**
* Copyright (c) 2009-2013, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
*   either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
*   choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.academy.section1;

import static org.jooq.academy.tools.Tools.connection;
import static org.jooq.example.db.h2.Tables.AUTHOR;

import java.sql.Connection;
import java.sql.Date;
import java.sql.SQLException;

import org.jooq.DSLContext;
import org.jooq.academy.tools.Tools;
import org.jooq.impl.DSL;

import org.junit.Test;

public class Example_1_3_DMLStatements {

    @Test
    public void run() throws SQLException {
        Connection connection = connection();

        DSLContext dsl = DSL.using(connection);

        try {

            // Inserting is just as easy as selecting
            Tools.title("Inserting a new AUTHOR");
            Tools.print(
                dsl.insertInto(AUTHOR, AUTHOR.ID, AUTHOR.FIRST_NAME, AUTHOR.LAST_NAME)
                   .values(3, "Alfred", "Hitchcock")
                   .execute()
            );

            // But the Java compiler will actively check your statements. The
            // following statements will not compile:
            /*
            Tools.title("Not enough arguments to the values() method!");
            Tools.print(
                DSL.using(connection())
                   .insertInto(AUTHOR, AUTHOR.ID, AUTHOR.FIRST_NAME, AUTHOR.LAST_NAME)
                   .values(4, "Alfred")
                   .execute()
            );
            */
            /*
            Tools.title("Wrong order of types of arguments to the values() method!");
            Tools.print(
                DSL.using(connection())
                   .insertInto(AUTHOR, AUTHOR.FIRST_NAME, AUTHOR.LAST_NAME, AUTHOR.ID)
                   .values(4, "Alfred", "Hitchcock")
                   .execute()
            );
            */
            Tools.title("Check if our latest record was really created");
            Tools.print(
                dsl.select()
                   .from(AUTHOR)
                   .where(AUTHOR.ID.eq(3))
                   .fetch()
            );

            Tools.title("Update the DATE_OF_BIRTH column");
            Tools.print(
                dsl.update(AUTHOR)
                   .set(AUTHOR.DATE_OF_BIRTH, Date.valueOf("1899-08-13"))
                   .where(AUTHOR.ID.eq(3))
                   .execute()
            );

            Tools.title("Check if our latest record was really updated");
            Tools.print(
                dsl.select()
                   .from(AUTHOR)
                   .where(AUTHOR.ID.eq(3))
                   .fetch()
            );

            Tools.title("Delete the new record again");
            Tools.print(
                dsl.delete(AUTHOR)
                   .where(AUTHOR.ID.eq(3))
                   .execute()
            );

            Tools.title("Check if the record was really deleted");
            Tools.print(
                dsl.select()
                   .from(AUTHOR)
                   .fetch()
            );
        }

        // Don't keep the new data
        finally {
            connection.rollback();
        }
    }
}
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