HHH-11295 - Some improvements to EntityJoinTest
(cherry picked from commit cff4ea1ce6)
This commit is contained in:
Jan Martiska
Gail Badner
parent
7b8a113fed
commit
951cc68a3e
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@ -15,49 +15,56 @@ import javax.persistence.Table;
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import org.hibernate.Session;
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import org.hibernate.annotations.NaturalId;
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import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import static org.hamcrest.core.Is.is;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertThat;
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/**
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* @author Steve Ebersole
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* @author Steve Ebersole, Jan Martiska
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*/
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public class EntityJoinTest extends BaseNonConfigCoreFunctionalTestCase {
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@Override
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protected Class[] getAnnotatedClasses() {
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return new Class[] { FinancialRecord.class, User.class, Customer.class };
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}
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@Override
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protected Class[] getAnnotatedClasses() {
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return new Class[] {FinancialRecord.class, User.class, Customer.class};
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}
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@Test
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public void testEntityJoins() {
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createTestData();
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@Before
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public void prepare() {
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createTestData();
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}
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try {
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// testInnerEntityJoins();
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testOuterEntityJoins();
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}
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finally {
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deleteTestData();
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}
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}
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@After
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public void cleanup() {
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deleteTestData();
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}
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private void testInnerEntityJoins() {
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Session session = openSession();
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session.beginTransaction();
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@SuppressWarnings("unchecked")
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@Test
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public void testInnerEntityJoins() {
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Session session = openSession();
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session.beginTransaction();
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try {
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List result = session.createQuery(
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"select r.id, c.name, u.id, u.username " +
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"from FinancialRecord r " +
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" inner join r.customer c " +
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" inner join User u on r.lastUpdateBy = u.username"
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).list();
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assertThat( result.size(), is( 1 ) );
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try {
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// this should get financial records which have a lastUpdateBy user set
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List<Object[]> result = session.createQuery(
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"select r.id, c.name, u.id, u.username " +
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"from FinancialRecord r " +
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" inner join r.customer c " +
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" inner join User u on r.lastUpdateBy = u.username"
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).list();
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// NOTE that this leads to not really valid SQL, although some databases might support it /
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assertThat(result.size(), is(1));
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Object[] steveAndAcme = result.get(0);
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assertThat(steveAndAcme[0], is(1));
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assertThat(steveAndAcme[1], is("Acme"));
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assertThat(steveAndAcme[3], is("steve"));
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// NOTE that this leads to not really valid SQL, although some databases might support it /
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// result = session.createQuery(
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// "select r.id, r.customer.name, u.id, u.username " +
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// "from FinancialRecord r " +
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@ -65,175 +72,207 @@ public class EntityJoinTest extends BaseNonConfigCoreFunctionalTestCase {
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// ).list();
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// assertThat( result.size(), is( 1 ) );
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}
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finally {
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session.getTransaction().commit();
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session.close();
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}
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} finally {
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session.getTransaction().commit();
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session.close();
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}
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}
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}
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@Test
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@SuppressWarnings("unchecked")
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public void testLeftOuterEntityJoins() {
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Session session = openSession();
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session.beginTransaction();
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private void testOuterEntityJoins() {
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Session session = openSession();
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session.beginTransaction();
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try {
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// this should get all financial records even if their lastUpdateBy user is null
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List<Object[]> result = session.createQuery(
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"select r.id, u.id, u.username " +
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"from FinancialRecord r " +
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" left join User u on r.lastUpdateBy = u.username" +
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" order by r.id"
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).list();
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assertThat(result.size(), is(2));
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try {
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List result = session.createQuery(
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"select r.id, c.name, u.id, u.username " +
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"from FinancialRecord r " +
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" inner join r.customer c " +
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" left join User u on r.lastUpdateBy = u.username"
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).list();
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assertThat( result.size(), is( 1 ) );
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Object[] stevesRecord = result.get(0);
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assertThat(stevesRecord[0], is(1));
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assertThat(stevesRecord[2], is("steve"));
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// NOTE that this leads to not really valid SQL, although some databases might support it /
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// result = session.createQuery(
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// "select r.id, r.customer.name, u.id, u.username " +
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// "from FinancialRecord r " +
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// " left join User u on r.lastUpdateBy = u.username"
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// ).list();
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// assertThat( result.size(), is( 1 ) );
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}
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finally {
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session.getTransaction().commit();
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session.close();
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}
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}
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Object[] noOnesRecord = result.get(1);
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assertThat(noOnesRecord[0], is(2));
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assertNull(noOnesRecord[2]);
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private void createTestData() {
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Session session = openSession();
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session.getTransaction().begin();
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} finally {
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session.getTransaction().commit();
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session.close();
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}
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}
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session.save( new User( 1, "steve") );
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session.save( new User( 2, "jane") );
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final Customer customer = new Customer( 1, "Acme" );
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session.save( customer );
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session.save( new FinancialRecord( 1, customer, "steve" ) );
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@Test
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@SuppressWarnings("unchecked")
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public void testRightOuterEntityJoins() {
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Session session = openSession();
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session.beginTransaction();
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session.getTransaction().commit();
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session.close();
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}
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try {
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// this should get all users even if they have no financial records
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List<Object[]> result = session.createQuery(
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"select r.id, u.id, u.username " +
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"from FinancialRecord r " +
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" right join User u on r.lastUpdateBy = u.username" +
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" order by u.id"
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).list();
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private void deleteTestData() {
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Session session = openSession();
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session.getTransaction().begin();
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assertThat(result.size(), is(2));
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session.createQuery( "delete FinancialRecord" ).executeUpdate();
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session.createQuery( "delete Customer" ).executeUpdate();
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session.createQuery( "delete User" ).executeUpdate();
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Object[] steveAndAcme = result.get(0);
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assertThat(steveAndAcme[0], is(1));
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assertThat(steveAndAcme[2], is("steve"));
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session.getTransaction().commit();
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session.close();
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}
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Object[] janeAndNull = result.get(1);
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assertNull(janeAndNull[0]);
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assertThat(janeAndNull[2], is("jane"));
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} finally {
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session.getTransaction().commit();
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session.close();
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}
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}
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@Entity(name = "Customer")
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@Table(name = "customer")
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public static class Customer {
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private Integer id;
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private String name;
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private void createTestData() {
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Session session = openSession();
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session.getTransaction().begin();
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public Customer() {
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}
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session.save(new User(1, "steve"));
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session.save(new User(2, "jane"));
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final Customer customer = new Customer(1, "Acme");
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session.save(customer);
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session.save(new FinancialRecord(1, customer, "steve"));
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session.save(new FinancialRecord(2, customer, null));
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public Customer(Integer id, String name) {
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this.id = id;
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this.name = name;
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}
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session.getTransaction().commit();
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session.close();
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}
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@Id
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public Integer getId() {
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return id;
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}
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private void deleteTestData() {
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Session session = openSession();
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session.getTransaction().begin();
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public void setId(Integer id) {
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this.id = id;
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}
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session.createQuery("delete FinancialRecord").executeUpdate();
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session.createQuery("delete Customer").executeUpdate();
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session.createQuery("delete User").executeUpdate();
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public String getName() {
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return name;
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}
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session.getTransaction().commit();
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session.close();
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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@Entity(name = "Customer")
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@Table(name = "customer")
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public static class Customer {
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private Integer id;
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private String name;
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@Entity(name = "FinancialRecord")
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@Table(name = "financial_record")
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public static class FinancialRecord {
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private Integer id;
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private Customer customer;
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private String lastUpdateBy;
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public Customer() {
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}
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public FinancialRecord() {
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}
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public Customer(Integer id, String name) {
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this.id = id;
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this.name = name;
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}
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public FinancialRecord(Integer id, Customer customer, String lastUpdateBy) {
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this.id = id;
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this.customer = customer;
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this.lastUpdateBy = lastUpdateBy;
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}
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@Id
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public Integer getId() {
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return id;
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}
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@Id
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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@ManyToOne
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@JoinColumn
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public Customer getCustomer() {
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return customer;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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public void setCustomer(Customer customer) {
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this.customer = customer;
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}
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@Entity(name = "FinancialRecord")
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@Table(name = "financial_record")
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public static class FinancialRecord {
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private Integer id;
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private Customer customer;
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private String lastUpdateBy;
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public String getLastUpdateBy() {
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return lastUpdateBy;
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}
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public FinancialRecord() {
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}
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public void setLastUpdateBy(String lastUpdateBy) {
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this.lastUpdateBy = lastUpdateBy;
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}
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}
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public FinancialRecord(Integer id, Customer customer, String lastUpdateBy) {
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this.id = id;
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this.customer = customer;
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this.lastUpdateBy = lastUpdateBy;
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}
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@Entity(name = "User")
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@Table(name = "`user`")
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public static class User {
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private Integer id;
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private String username;
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@Id
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public Integer getId() {
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return id;
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}
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public User() {
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public User(Integer id, String username) {
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this.id = id;
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this.username = username;
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}
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@ManyToOne
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@JoinColumn
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public Customer getCustomer() {
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return customer;
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}
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@Id
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public Integer getId() {
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return id;
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}
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public void setCustomer(Customer customer) {
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this.customer = customer;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public String getLastUpdateBy() {
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return lastUpdateBy;
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}
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@NaturalId
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public String getUsername() {
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return username;
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}
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public void setLastUpdateBy(String lastUpdateBy) {
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this.lastUpdateBy = lastUpdateBy;
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}
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}
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public void setUsername(String username) {
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this.username = username;
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}
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}
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@Entity(name = "User")
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@Table(name = "`user`")
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public static class User {
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private Integer id;
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private String username;
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public User() {
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}
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public User(Integer id, String username) {
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this.id = id;
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this.username = username;
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}
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@Id
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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@NaturalId
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public String getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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}
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}
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