added test

querydsl-jpa/src/test/java/com/mysema/query/AbstractStandardTest.java

@@ -68,9 +68,12 @@ import com.mysema.query.jpa.domain.QDoubleProjection;
 import com.mysema.query.jpa.domain.QEmployee;
 import com.mysema.query.jpa.domain.QFloatProjection;
 import com.mysema.query.jpa.domain.QFoo;
+import com.mysema.query.jpa.domain.QHuman;
+import com.mysema.query.jpa.domain.QMammal;
 import com.mysema.query.jpa.domain.QShow;
 import com.mysema.query.jpa.domain.QSimpleTypes;
 import com.mysema.query.jpa.domain.QUser;
+import com.mysema.query.jpa.domain.QWorld;
 import com.mysema.query.jpa.domain.Show;
 import com.mysema.query.jpa.domain4.QBookMark;
 import com.mysema.query.jpa.domain4.QBookVersion;
@@ -566,6 +569,26 @@ public abstract class AbstractStandardTest {
         query().from(cat).list(cat.bodyWeight.castToNum(Integer.class));
     }
     
+    @Test
+    public void Fetch() {
+        QMammal mammal = QMammal.mammal;
+        QHuman human = new QHuman("mammal");
+        query().from(mammal)
+            .leftJoin(human.hairs).fetch()
+            .list(mammal);        
+    }
+    
+    @Test
+    public void Fetch2() {
+        QWorld world = QWorld.world;
+        QMammal mammal = QMammal.mammal;
+        QHuman human = new QHuman("mammal");
+        query().from(world)
+            .leftJoin(world.mammals, mammal).fetch()
+            .leftJoin(human.hairs).fetch()
+            .list(world);        
+    }
+    
     @Test
     public void StartsWith(){
         assertEquals(1, query().from(cat).where(cat.name.startsWith("R")).count());

querydsl-jpa/src/test/java/com/mysema/query/jpa/domain/Dolphin.java

@@ -0,0 +1,8 @@
+package com.mysema.query.jpa.domain;
+
+import javax.persistence.Entity;
+
+@Entity
+public class Dolphin extends Mammal {
+
+}

querydsl-jpa/src/test/java/com/mysema/query/jpa/domain/Domain.java

@@ -41,15 +41,18 @@ public final class Domain {
             Department.class,
             Document.class,
             DomesticCat.class,
+            Dolphin.class,
             EmbeddedType.class,
             Employee.class,
             EvilType.class,
             Family.class,
             Foo.class,
             Formula.class,
+            Human.class,
             InheritedProperties.class,
             Item.class,
             Location.class,
+            Mammal.class,
             Name.class,
             Named.class,
             NameList.class,
@@ -70,6 +73,7 @@ public final class Domain {
             Store.class,
             Superclass.class,
             User.class,
+            World.class,
             
             BookID.class,
             BookMark.class,

querydsl-jpa/src/test/java/com/mysema/query/jpa/domain/Human.java

@@ -0,0 +1,14 @@
+package com.mysema.query.jpa.domain;
+
+import java.util.Collection;
+
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+
+@Entity
+public class Human extends Mammal {
+
+    @ElementCollection
+    Collection<Integer> hairs;
+    
+}

querydsl-jpa/src/test/java/com/mysema/query/jpa/domain/Mammal.java

@@ -0,0 +1,12 @@
+package com.mysema.query.jpa.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+public class Mammal {
+    
+    @Id
+    Long id;
+
+}

querydsl-jpa/src/test/java/com/mysema/query/jpa/domain/World.java

@@ -0,0 +1,18 @@
+package com.mysema.query.jpa.domain;
+
+import java.util.Set;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+
+@Entity
+public class World {
+
+    @Id
+    Long id;
+    
+    @OneToMany
+    Set<Mammal> mammals;
+    
+}