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Posted to commits@openjpa.apache.org by rp...@apache.org on 2011/09/18 09:32:14 UTC

svn commit: r1172209 - in /openjpa/branches/1.1.x: openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/ openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/

Author: rpalache
Date: Sun Sep 18 07:32:13 2011
New Revision: 1172209

URL: http://svn.apache.org/viewvc?rev=1172209&view=rev
Log:
OPENJPA-1227 SQL generation error when using data cache. Backporting David Minor's changes to 1.1.x.

Added:
    openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyAbstract.java
    openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyConcrete.java
    openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestJoinedInheritanceHierarchyWithCache.java
Modified:
    openjpa/branches/1.1.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java

Modified: openjpa/branches/1.1.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.1.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java?rev=1172209&r1=1172208&r2=1172209&view=diff
==============================================================================
--- openjpa/branches/1.1.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java (original)
+++ openjpa/branches/1.1.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/JDBCStoreManager.java Sun Sep 18 07:32:13 2011
@@ -1146,6 +1146,19 @@ public class JDBCStoreManager 
             }
         }
 
+        // in certain circumstances force join to superclass table to avoid
+        // SQL generation error.
+        if ( eagerToMany != null && pseld < 0 && seld > 0 && !joined
+                && parent != null ) {
+            FieldMapping[] pfms = parent.getDefinedFieldMappings();
+            for (int i = 0; i < pfms.length; i++) {
+                if (pfms[i] == eagerToMany ) {
+                    pseld = 0;
+                    break;
+                }
+            }
+        }
+
         // join to parent table if the parent / any ancestors have selected
         // anything
         if (!joined && pseld >= 0 && parent.getTable() != mapping.getTable())

Added: openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyAbstract.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyAbstract.java?rev=1172209&view=auto
==============================================================================
--- openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyAbstract.java (added)
+++ openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyAbstract.java Sun Sep 18 07:32:13 2011
@@ -0,0 +1,87 @@
+/*
+ * 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.io.Serializable;
+import java.util.Set;
+
+import javax.persistence.CascadeType;
+import javax.persistence.DiscriminatorColumn;
+import javax.persistence.DiscriminatorType;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+
+import org.apache.openjpa.persistence.FetchAttribute;
+import org.apache.openjpa.persistence.FetchGroup;
+import org.apache.openjpa.persistence.FetchGroups;
+
+
+@Entity
+@Inheritance(strategy = InheritanceType.JOINED)
+@DiscriminatorColumn(discriminatorType=DiscriminatorType.STRING)
+@FetchGroups(
+    {
+        @FetchGroup(name="nothing", attributes={}),
+        @FetchGroup(name="children", attributes={@FetchAttribute(name="children")})
+    }
+)
+public abstract class InheritanceHierarchyAbstract implements Serializable {
+
+    @Id
+    @GeneratedValue
+    private long id;
+   
+    @ManyToOne
+    @JoinColumn
+    private InheritanceHierarchyAbstract parent;
+
+	@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, 
+			fetch=FetchType.EAGER)
+    private Set<InheritanceHierarchyAbstract> children;
+
+
+    public long getId() { 
+        return id; 
+    }
+
+	public Set<InheritanceHierarchyAbstract> getChildren() {
+		return this.children;
+	}
+
+	public void setChildren(Set<InheritanceHierarchyAbstract> children) {
+		this.children = children;
+	}
+
+	public InheritanceHierarchyAbstract getParent() {
+		return this.parent;
+	}
+
+	public void setParent(InheritanceHierarchyAbstract parent) {
+		this.parent = parent;
+	}
+
+}
+

Added: openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyConcrete.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyConcrete.java?rev=1172209&view=auto
==============================================================================
--- openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyConcrete.java (added)
+++ openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/InheritanceHierarchyConcrete.java Sun Sep 18 07:32:13 2011
@@ -0,0 +1,59 @@
+/*
+ * 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.io.Serializable;
+import java.util.Map;
+import java.util.Set;
+
+import javax.persistence.Basic;
+import javax.persistence.CascadeType;
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+import javax.persistence.MapKey;
+import javax.persistence.OneToMany;
+
+import org.apache.openjpa.persistence.FetchAttribute;
+import org.apache.openjpa.persistence.FetchGroup;
+
+
+@Entity
+@Inheritance(strategy = InheritanceType.JOINED)
+@DiscriminatorValue("concrete")
+@FetchGroup(name="value", attributes={@FetchAttribute(name="value")})
+public class InheritanceHierarchyConcrete extends InheritanceHierarchyAbstract implements Serializable {
+
+	@Basic
+	private int value;
+
+	public int getValue() {
+		return this.value;
+	}
+
+	public void setValue(int value) {
+		this.value = value;
+	}
+
+}
+

Added: openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestJoinedInheritanceHierarchyWithCache.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestJoinedInheritanceHierarchyWithCache.java?rev=1172209&view=auto
==============================================================================
--- openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestJoinedInheritanceHierarchyWithCache.java (added)
+++ openjpa/branches/1.1.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestJoinedInheritanceHierarchyWithCache.java Sun Sep 18 07:32:13 2011
@@ -0,0 +1,89 @@
+/*
+ * 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.HashSet;
+import java.util.List;
+import java.util.Random;
+import java.util.Set;
+
+import org.apache.openjpa.meta.FetchGroup;
+import org.apache.openjpa.persistence.OpenJPAEntityManager;
+import org.apache.openjpa.persistence.PersistenceException;
+import org.apache.openjpa.persistence.datacache.common.apps.FlushDataCacheObject;
+import org.apache.openjpa.persistence.test.SingleEMFTestCase;
+
+public class TestJoinedInheritanceHierarchyWithCache
+    extends SingleEMFTestCase {
+
+    public void setUp() {
+    	super.setUp(CLEAR_TABLES, InheritanceHierarchyConcrete.class, 
+    			InheritanceHierarchyAbstract.class, FlushDataCacheObject.class,
+    			"openjpa.DataCache", "true(CacheSize=1, SoftReferenceSize=0)",
+    			"openjpa.RemoteCommitProvider", "sjvm");
+    }
+
+    public void testCacheSqlGeneration() throws PersistenceException {
+    	
+		InheritanceHierarchyConcrete parent = new InheritanceHierarchyConcrete();
+		InheritanceHierarchyConcrete child = new InheritanceHierarchyConcrete();
+		parent.setValue(42);
+		child.setValue(21);
+		Set<InheritanceHierarchyAbstract> children = new HashSet<InheritanceHierarchyAbstract>();
+		children.add(child);
+		parent.setChildren(children);
+		child.setParent(parent);
+
+    	
+    	OpenJPAEntityManager em = emf.createEntityManager();
+    	em.getTransaction().begin();
+		em.persist(parent);
+    	em.getTransaction().commit();
+    	em.close();
+    	
+    	long id = parent.getId();
+
+    	em = emf.createEntityManager();
+    	em.getFetchPlan().removeFetchGroup(FetchGroup.NAME_DEFAULT)
+			.addFetchGroup("children").addFetchGroup("value");
+    	em.createQuery(
+    			"SELECT p FROM InheritanceHierarchyConcrete p WHERE p.id=" + id
+    			).getResultList().get(0);
+    	em.close();
+    	
+    	em = emf.createEntityManager();
+    	em.getFetchPlan().removeFetchGroup(FetchGroup.NAME_DEFAULT)
+    		.addFetchGroup("nothing").addFetchGroup("value");
+    	em.createQuery(
+    			"SELECT p FROM InheritanceHierarchyConcrete p WHERE p.id=" + id
+    			).getResultList().get(0);
+    	em.close();
+
+    	em = emf.createEntityManager();
+    	em.getFetchPlan().removeFetchGroup(FetchGroup.NAME_DEFAULT)
+			.addFetchGroup("children").addFetchGroup("value");
+    	em.createQuery(
+    			"SELECT p FROM InheritanceHierarchyConcrete p WHERE p.id=" + id
+    			).getResultList().get(0);
+    	em.close();
+
+    }
+}
+