/**
* 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.section3;
import static org.jooq.academy.tools.Tools.connection;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.jooq.Query;
import org.jooq.Record;
import org.jooq.ResultQuery;
import org.jooq.academy.tools.Tools;
import org.jooq.impl.DSL;
import org.junit.Test;
public class Example_3_4_StatementsAndResults {
@Test
public void run() throws SQLException {
Connection connection = connection();
Tools.title("If you don't know whether a result set is produced with JDBC");
try (PreparedStatement stmt = connection.prepareStatement("SELECT FIRST_NAME FROM AUTHOR")) {
boolean moreResults = stmt.execute();
do {
if (moreResults) {
try (ResultSet rs = stmt.getResultSet()) {
while (rs.next()) {
System.out.println(rs.getString(1));
}
}
}
else {
System.out.println(stmt.getUpdateCount());
}
} while ((moreResults = stmt.getMoreResults()) || stmt.getUpdateCount() != -1);
}
Tools.title("You always know whether a result set is produced with jOOQ, because of the type");
Query q1 = DSL.using(connection).query("UPDATE AUTHOR SET LAST_NAME = LAST_NAME");
System.out.println(
q1.execute()
);
ResultQuery<Record> q2 = DSL.using(connection).resultQuery("SELECT * FROM AUTHOR");
System.out.println(
q2.fetch()
);
}
}