/**
* 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.example;
import static java.util.Arrays.asList;
import static org.jooq.example.db.h2.Tables.AUTHOR;
import static org.jooq.example.db.h2.Tables.BOOK;
import static org.jooq.example.db.h2.Tables.BOOK_STORE;
import static org.jooq.example.db.h2.Tables.BOOK_TO_BOOK_STORE;
import static org.jooq.impl.DSL.countDistinct;
import static org.junit.Assert.assertEquals;
import org.jooq.DSLContext;
import org.jooq.Record3;
import org.jooq.Result;
import org.jooq.example.db.h2.tables.Author;
import org.jooq.example.db.h2.tables.Book;
import org.jooq.example.db.h2.tables.BookStore;
import org.jooq.example.db.h2.tables.BookToBookStore;
import org.jooq.example.db.h2.tables.records.BookRecord;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Lukas Eder
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"/jooq-spring.xml"})
public class QueryTest {
@Autowired
DSLContext create;
@Test
public void testJoin() throws Exception {
// All of these tables were generated by jOOQ's Maven plugin
Book b = BOOK.as("b");
Author a = AUTHOR.as("a");
BookStore s = BOOK_STORE.as("s");
BookToBookStore t = BOOK_TO_BOOK_STORE.as("t");
Result<Record3<String, String, Integer>> result =
create.select(a.FIRST_NAME, a.LAST_NAME, countDistinct(s.NAME))
.from(a)
.join(b).on(b.AUTHOR_ID.equal(a.ID))
.join(t).on(t.BOOK_ID.equal(b.ID))
.join(s).on(t.BOOK_STORE_NAME.equal(s.NAME))
.groupBy(a.FIRST_NAME, a.LAST_NAME)
.orderBy(countDistinct(s.NAME).desc())
.fetch();
assertEquals(2, result.size());
assertEquals("Paulo", result.getValue(0, a.FIRST_NAME));
assertEquals("George", result.getValue(1, a.FIRST_NAME));
assertEquals("Coelho", result.getValue(0, a.LAST_NAME));
assertEquals("Orwell", result.getValue(1, a.LAST_NAME));
assertEquals(Integer.valueOf(3), result.getValue(0, countDistinct(s.NAME)));
assertEquals(Integer.valueOf(2), result.getValue(1, countDistinct(s.NAME)));
}
@Test
public void testActiveRecords() throws Exception {
Result<BookRecord> result = create.selectFrom(BOOK).orderBy(BOOK.ID).fetch();
assertEquals(4, result.size());
assertEquals(asList(1, 2, 3, 4), result.getValues(0));
}
}