HHH-9392 : SQLGrammarException while executing a entity graph with subgraphs (test case)
(cherry picked from commit 8e758fcd6b)
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Gail Badner
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9a7740002f
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* Copyright (c) 2015, Red Hat Inc. or third-party contributors as
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* indicated by the @author tags or express copyright attribution
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* statements applied by the authors. All third-party contributions are
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* distributed under license by Red Hat Inc..
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*
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* This copyrighted material is made available to anyone wishing to use, modify,
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* copy, or redistribute it subject to the terms and conditions of the GNU
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* Lesser General Public License, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this distribution; if not, write to:
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA
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*
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*/
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package org.hibernate.jpa.test.graphs;
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import javax.persistence.Entity;
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import javax.persistence.EntityGraph;
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import javax.persistence.EntityManager;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.OneToOne;
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import javax.persistence.Subgraph;
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import javax.persistence.Temporal;
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import javax.persistence.TemporalType;
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import javax.persistence.TypedQuery;
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import java.util.Date;
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import java.util.List;
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import org.hibernate.Hibernate;
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import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
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import org.junit.Test;
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import static org.junit.Assert.assertTrue;
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/**
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* @author Baris Cubukcuoglu
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*/
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public class EntityGraphUsingFetchGraphTest extends BaseEntityManagerFunctionalTestCase {
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class[] {CustomerOrder.class, OrderPosition.class, Product.class, Address.class};
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}
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@Test
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public void fetchSubGraphFromSubgraph() {
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EntityManager em = getOrCreateEntityManager();
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em.getTransaction().begin();
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Address address = new Address();
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address.city = "TestCity";
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CustomerOrder customerOrder = new CustomerOrder();
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customerOrder.shippingAddress = address;
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Product product = new Product();
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OrderPosition orderPosition = new OrderPosition();
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orderPosition.product = product;
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customerOrder.orderPosition = orderPosition;
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em.persist( address );
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em.persist( orderPosition );
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em.persist( product );
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em.persist( customerOrder );
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em.getTransaction().commit();
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em.clear();
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em.getTransaction().begin();
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final EntityGraph<CustomerOrder> entityGraph = em.createEntityGraph( CustomerOrder.class );
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//entityGraph.addAttributeNodes( "shippingAddress", "orderDate" );
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entityGraph.addAttributeNodes( "shippingAddress" );
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final Subgraph<OrderPosition> orderProductsSubgraph = entityGraph.addSubgraph( "orderPosition" );
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//orderProductsSubgraph.addAttributeNodes( "amount" );
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final Subgraph<Product> productSubgraph = orderProductsSubgraph.addSubgraph( "product" );
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//productSubgraph.addAttributeNodes( "productName" );
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TypedQuery<CustomerOrder> query = em.createQuery(
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"SELECT o FROM EntityGraphUsingFetchGraphTest$CustomerOrder o", CustomerOrder.class
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);
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query.setHint( "javax.persistence.loadgraph", entityGraph );
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final List<CustomerOrder> results = query.getResultList();
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assertTrue( Hibernate.isInitialized( results ) );
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em.getTransaction().commit();
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em.close();
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}
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@Test
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public void fetchAttributeNodeFromSubgraph() {
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EntityManager em = getOrCreateEntityManager();
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em.getTransaction().begin();
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Address address = new Address();
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address.city = "TestCity";
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CustomerOrder customerOrder = new CustomerOrder();
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customerOrder.shippingAddress = address;
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Product product = new Product();
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OrderPosition orderPosition = new OrderPosition();
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orderPosition.product = product;
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customerOrder.orderPosition = orderPosition;
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em.persist( address );
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em.persist( orderPosition );
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em.persist( product );
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em.persist( customerOrder );
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em.getTransaction().commit();
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em.clear();
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em.getTransaction().begin();
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final EntityGraph<CustomerOrder> entityGraph = em.createEntityGraph( CustomerOrder.class );
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//entityGraph.addAttributeNodes( "shippingAddress", "orderDate" );
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entityGraph.addAttributeNodes( "shippingAddress" );
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final Subgraph<OrderPosition> orderProductsSubgraph = entityGraph.addSubgraph( "orderPosition" );
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//orderProductsSubgraph.addAttributeNodes( "amount" );
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orderProductsSubgraph.addAttributeNodes( "product" );
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//final Subgraph<Product> productSubgraph = orderProductsSubgraph.addSubgraph( "product" );
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//productSubgraph.addAttributeNodes( "productName" );
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TypedQuery<CustomerOrder> query = em.createQuery(
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"SELECT o FROM EntityGraphUsingFetchGraphTest$CustomerOrder o", CustomerOrder.class
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);
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query.setHint( "javax.persistence.loadgraph", entityGraph );
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final List<CustomerOrder> results = query.getResultList();
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assertTrue( Hibernate.isInitialized( results ) );
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em.getTransaction().commit();
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em.close();
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}
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@Entity
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public static class CustomerOrder {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Long id;
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@OneToOne
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public OrderPosition orderPosition;
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@Temporal(TemporalType.TIMESTAMP)
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public Date orderDate;
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@OneToOne
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public Address shippingAddress;
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}
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@Entity
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public static class Address {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Long id;
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public String city;
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}
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@Entity
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public static class OrderPosition {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Long id;
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public Integer amount;
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@ManyToOne
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@JoinColumn(name = "product")
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public Product product;
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}
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@Entity
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public static class Product {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Long id;
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public String productName;
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}
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}
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