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From fa...@apache.org
Subject svn commit: r705335 - in /openjpa/trunk: openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/ openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/ openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/
Date Thu, 16 Oct 2008 19:37:03 GMT
Author: fancy
Date: Thu Oct 16 12:37:02 2008
New Revision: 705335

URL: http://svn.apache.org/viewvc?rev=705335&view=rev
Log:
OPENJPA-744 Extra SQL on LAZY/EAGER  ManyToOne relation
Further improved code and additional testcases.

Added:
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerChild.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerParent.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyLazyChild.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestManyEagerSQL.java
Modified:
    openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java
    openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/StoreCollectionFieldStrategy.java

Modified: openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java?rev=705335&r1=705334&r2=705335&view=diff
==============================================================================
--- openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java
(original)
+++ openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java
Thu Oct 16 12:37:02 2008
@@ -417,6 +417,7 @@
                                 oid.equals(owner.getObjectId())) {
                                 sm.storeObject(fmd[j].getIndex(),
                                     owner.getPersistenceCapable());
+                                break;
                             }
                         }
                     }

Modified: openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/StoreCollectionFieldStrategy.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/StoreCollectionFieldStrategy.java?rev=705335&r1=705334&r2=705335&view=diff
==============================================================================
--- openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/StoreCollectionFieldStrategy.java
(original)
+++ openjpa/trunk/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/StoreCollectionFieldStrategy.java
Thu Oct 16 12:37:02 2008
@@ -313,7 +313,8 @@
                 seq = res.getInt(field.getOrderColumn(), orderJoins) + 1;
 
             // for inverse relation field
-            setMappedBy(oid, res);
+            setMappedBy(oid.equals(sm.getObjectId()) ? 
+                sm.getPersistenceCapable() : oid, res);
             Object val = loadElement(null, store, fetch, res, dataJoins);
             add(store, coll, val);
         }

Added: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerChild.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerChild.java?rev=705335&view=auto
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerChild.java
(added)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerChild.java
Thu Oct 16 12:37:02 2008
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.    
+ */
+package org.apache.openjpa.persistence.relations;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Version;
+
+@Entity
+public class OneManyEagerChild {
+
+    @Id
+    @GeneratedValue
+    private long id;
+
+    private String name;
+
+    @ManyToOne(fetch=FetchType.EAGER)
+    @JoinColumn(name="PARENT_ID")
+    private OneManyEagerParent parent;
+
+    @Version
+    private Integer optLock;
+
+    public long getId() { 
+        return id; 
+    }
+
+    public String getName() { 
+        return name; 
+    }
+
+    public void setName(String name) { 
+        this.name = name; 
+    }
+
+    public OneManyEagerParent getParent() { 
+        return parent; 
+    }
+
+    public void setParent(OneManyEagerParent parent) { 
+        this.parent = parent; 
+    }
+}

Added: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerParent.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerParent.java?rev=705335&view=auto
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerParent.java
(added)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyEagerParent.java
Thu Oct 16 12:37:02 2008
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.    
+ */
+package org.apache.openjpa.persistence.relations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import javax.persistence.OrderBy;
+import javax.persistence.Version;
+
+@Entity
+public class OneManyEagerParent {
+
+    @Id
+    @GeneratedValue
+    private long id;
+
+    private String name;
+
+    @OneToMany(mappedBy="parent", fetch=FetchType.EAGER)
+    @OrderBy("name ASC")
+    private List<OneManyLazyChild> lazychildren = 
+        new ArrayList<OneManyLazyChild>();
+
+    @OneToMany(mappedBy="parent", fetch=FetchType.EAGER)
+    @OrderBy("name ASC")
+    private List<OneManyEagerChild> eagerchildren = 
+        new ArrayList<OneManyEagerChild>();
+
+    @Version
+    private Integer optLock;
+
+    public long getId() { 
+        return id; 
+    }
+
+    public List<OneManyLazyChild> getLazyChildren() { 
+        return lazychildren; 
+    }
+
+    public void addLazyChild(OneManyLazyChild child) {
+        child.setParent(this);
+        lazychildren.add(child);
+    }
+
+    public List<OneManyEagerChild> getEagerChildren() { 
+        return eagerchildren; 
+    }
+
+    public void addEagerChild(OneManyEagerChild child) {
+        child.setParent(this);
+        eagerchildren.add(child);
+    }
+
+    public String getName() { 
+        return name; 
+    }
+
+    public void setName(String name) { 
+        this.name = name; 
+    }
+}

Added: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyLazyChild.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyLazyChild.java?rev=705335&view=auto
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyLazyChild.java
(added)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/OneManyLazyChild.java
Thu Oct 16 12:37:02 2008
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.    
+ */
+package org.apache.openjpa.persistence.relations;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Version;
+
+@Entity
+public class OneManyLazyChild {
+
+    @Id
+    @GeneratedValue
+    private long id;
+
+    private String name;
+
+    @ManyToOne(fetch=FetchType.LAZY)
+    @JoinColumn(name="PARENT_ID")
+    private OneManyEagerParent parent;
+
+    @Version
+    private Integer optLock;
+
+    public long getId() { 
+        return id; 
+    }
+
+    public String getName() { 
+        return name; 
+    }
+
+    public void setName(String name) { 
+        this.name = name; 
+    }
+
+    public OneManyEagerParent getParent() { 
+        return parent; 
+    }
+
+    public void setParent(OneManyEagerParent parent) { 
+        this.parent = parent; 
+    }
+}

Added: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestManyEagerSQL.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestManyEagerSQL.java?rev=705335&view=auto
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestManyEagerSQL.java
(added)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestManyEagerSQL.java
Thu Oct 16 12:37:02 2008
@@ -0,0 +1,197 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.    
+ */
+package org.apache.openjpa.persistence.relations;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+
+import junit.textui.TestRunner;
+
+import org.apache.openjpa.persistence.OpenJPAEntityManager;
+import org.apache.openjpa.persistence.test.SQLListenerTestCase;
+
+
+public class TestManyEagerSQL
+    extends SQLListenerTestCase {
+
+    public void setUp() {
+        setUp(
+            OneManyEagerParent.class, OneManyEagerChild.class,
+            OneManyLazyChild.class);
+        
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+
+        for (int j = 0; j < 2; j++) {
+            OneManyEagerParent parent = new OneManyEagerParent();
+            parent.setName("parent"+j);
+            for (int i = 0; i < 2; i++) {
+                OneManyEagerChild child = new OneManyEagerChild();
+                child.setName("eagerchild" + i);
+                parent.addEagerChild(child);
+                em.persist(child);
+                OneManyLazyChild lazychild = new OneManyLazyChild();
+                lazychild.setName("lazychild" + i);
+                parent.addLazyChild(lazychild);
+                em.persist(lazychild);
+            }
+            em.persist(parent);
+        }
+
+        em.flush();
+        em.getTransaction().commit();
+        em.close();
+    }
+
+    public void testManyToOneEagerQuery() {
+        sql.clear();
+
+        OpenJPAEntityManager em = emf.createEntityManager();
+        String query = "select c FROM OneManyEagerChild c";
+        Query q = em.createQuery(query);
+        List list = q.getResultList();
+        assertEquals(4, list.size());
+        
+        // Expected SQLs:
+        //   SELECT t0.id, t0.optLock, t0.name, t1.id, t1.optLock, t1.name
+        //       FROM OneManyEagerChild t0
+        //       LEFT OUTER JOIN OneManyEagerParent t1 ON t0.PARENT_ID = t1.id
+        //   SELECT t0.id, t0.optLock, t0.name FROM OneManyEagerChild t0
+        //       WHERE t0.PARENT_ID = ? ORDER BY t0.name ASC [params=(long) 2]
+        //   SELECT t0.id, t0.optLock, t0.name, t0.PARENT_ID
+        //       FROM OneManyLazyChild t0 WHERE t0.PARENT_ID = ?
+        //       ORDER BY t0.name ASC [params=(long) 2]
+        //   SELECT t0.id, t0.optLock, t0.name FROM OneManyEagerChild t0
+        //       WHERE t0.PARENT_ID = ? ORDER BY t0.name ASC [params=(long) 1]
+        //   SELECT t0.id, t0.optLock, t0.name, t0.PARENT_ID 
+        //       FROM OneManyLazyChild t0 WHERE t0.PARENT_ID = ?
+        //       ORDER BY t0.name ASC [params=(long) 1]
+
+        assertEquals(5, sql.size());
+
+        sql.clear();
+
+        for (int i = 0; i < list.size(); i++) {
+            OneManyEagerChild child = (OneManyEagerChild) list.get(i);
+            assertEquals(2, child.getParent().getLazyChildren().size());
+            assertEquals(2, child.getParent().getEagerChildren().size());
+        }
+        assertEquals(0, sql.size());
+
+        em.close();
+    }
+
+    public void testManyToOneLazyQuery() {
+        sql.clear();
+
+        OpenJPAEntityManager em = emf.createEntityManager();
+        String query = "select c FROM OneManyLazyChild c";
+        Query q = em.createQuery(query);
+        List list = q.getResultList();
+        assertEquals(4, list.size());
+
+        // Expected SQL:
+        // SELECT t0.id, t0.optLock, t0.name, t0.PARENT_ID
+        //     FROM OneManyLazyChild t0
+        assertEquals(1, sql.size());
+
+        sql.clear();
+
+        for (int i = 0; i < list.size(); i++) {
+            OneManyLazyChild child = (OneManyLazyChild) list.get(i);
+            assertEquals(2, child.getParent().getLazyChildren().size());
+            assertEquals(2, child.getParent().getEagerChildren().size());
+        }
+
+        // Expected SQLs: (fired on child.getParent())
+        //  SELECT t0.optLock, t0.name, t1.PARENT_ID, t1.id, t1.optLock, t1.name
+        //      FROM OneManyEagerParent t0
+        //      LEFT OUTER JOIN OneManyEagerChild t1 ON t0.id = t1.PARENT_ID
+        //      WHERE t0.id = ? 
+        //      ORDER BY t1.PARENT_ID ASC, t1.name ASC [params=(long) 252]
+        //  SELECT t0.id, t0.optLock, t0.name, t0.PARENT_ID
+        //      FROM OneManyLazyChild t0 WHERE t0.PARENT_ID = ?
+        //      ORDER BY t0.name ASC [params=(long) 252]
+        //  SELECT t0.optLock, t0.name, t1.PARENT_ID, t1.id, t1.optLock, t1.name
+        //      FROM OneManyEagerParent t0
+        //      LEFT OUTER JOIN OneManyEagerChild t1 ON t0.id = t1.PARENT_ID
+        //      WHERE t0.id = ? 
+        //      ORDER BY t1.PARENT_ID ASC, t1.name ASC [params=(long) 251]
+        //  SELECT t0.id, t0.optLock, t0.name, t0.PARENT_ID
+        //      FROM OneManyLazyChild t0 WHERE t0.PARENT_ID = ?
+        //      ORDER BY t0.name ASC [params=(long) 251]
+
+        assertEquals(4, sql.size());
+
+        em.close();
+    }
+
+    public void testOneToManyEagerQuery() {
+        sql.clear();
+
+        OpenJPAEntityManager em = emf.createEntityManager();
+        String query = "select p FROM OneManyEagerParent p";
+        Query q = em.createQuery(query);
+        List list = q.getResultList();
+        assertEquals(2, list.size());
+
+        // Expected SQLs:
+        //   SELECT t0.id, t0.optLock, t0.name FROM OneManyEagerParent t0
+        //   SELECT t0.id, t1.id, t1.optLock, t1.name FROM OneManyEagerParent t0
+        //       INNER JOIN OneManyEagerChild t1 ON t0.id = t1.PARENT_ID
+        //       ORDER BY t0.id ASC, t1.name ASC
+        //   SELECT t0.id, t1.id, t1.optLock, t1.name, t1.PARENT_ID
+        //       FROM OneManyEagerParent t0
+        //       INNER JOIN OneManyLazyChild t1 ON t0.id = t1.PARENT_ID
+        //       ORDER BY t0.id ASC, t1.name ASC
+
+        assertEquals(3, sql.size());
+
+        sql.clear();
+
+        for (int i = 0; i < list.size(); i++) {
+            OneManyEagerParent p = (OneManyEagerParent) list.get(i);
+            long id = p.getId();
+            assertEquals(2, p.getEagerChildren().size());
+            assertEquals(p, p.getEagerChildren().get(0).getParent());
+            assertEquals(p, p.getEagerChildren().get(1).getParent());
+            assertEquals(id, p.getEagerChildren().get(0).getParent().getId());
+            assertEquals(id, p.getEagerChildren().get(1).getParent().getId());
+            assertEquals("eagerchild0", p.getEagerChildren().get(0).getName());
+            assertEquals("eagerchild1", p.getEagerChildren().get(1).getName());
+            assertEquals(2, p.getLazyChildren().size());
+            assertEquals(p, p.getLazyChildren().get(0).getParent());
+            assertEquals(p, p.getLazyChildren().get(1).getParent());
+            assertEquals(id, p.getLazyChildren().get(0).getParent().getId());
+            assertEquals(id, p.getLazyChildren().get(1).getParent().getId());
+            assertEquals("lazychild0", p.getLazyChildren().get(0).getName());
+            assertEquals("lazychild1", p.getLazyChildren().get(1).getName());           

+        }
+
+        assertEquals(0, sql.size());
+        em.close();
+    }
+
+    public static void main(String[] args) {
+        TestRunner.run(TestManyEagerSQL.class);
+    }
+}
+



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