Add delete where subquery exists test

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

@@ -34,8 +34,11 @@ import org.junit.rules.MethodRule;
 import org.junit.runner.RunWith;
 
 import com.mysema.query.jpa.JPASubQuery;
+import com.mysema.query.jpa.JPQLSubQuery;
 import com.mysema.query.jpa.domain.Cat;
 import com.mysema.query.jpa.domain.QCat;
+import com.mysema.query.jpa.domain.QChild;
+import com.mysema.query.jpa.domain.QParent;
 import com.mysema.query.jpa.impl.JPADeleteClause;
 import com.mysema.query.jpa.impl.JPAQuery;
 import com.mysema.query.types.EntityPath;
@@ -169,4 +172,21 @@ public class JPABase extends AbstractStandardTest {
                       child.in(parent.kittens)).exists())
             .execute();
     }
+
+    @Test
+    public void Delete_Where_SubQuery2() {
+        QChild child = QChild.child;
+        QParent parent = QParent.parent;
+        
+        JPASubQuery subQuery = new JPASubQuery()
+            .from(parent)
+            .where(parent.id.eq(2),                   
+                   child.parent.eq(parent));
+                   //child.in(parent.children));
+        
+        delete(child)
+            .where(child.id.eq(1), subQuery.exists())
+            .execute();        
+    }
+    
 }

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

@@ -0,0 +1,16 @@
+package com.mysema.query.jpa.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+
+@Entity(name="Child2")
+public class Child {
+    
+    @Id
+    int id;
+    
+    @ManyToOne
+    Parent parent;
+
+}

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

@@ -35,6 +35,7 @@ public final class Domain {
             Calendar.class,
             Cat.class,
             Catalog.class,
+            Child.class,
             Color.class,
             Company.class,
             Customer.class,
@@ -62,6 +63,7 @@ public final class Domain {
             Novel.class,
             Order.class,
             Parameter.class,
+            Parent.class,
             Payment.class,
             PaymentStatus.class,
             Person.class,

querydsl-jpa/src/test/java/com/mysema/query/jpa/domain/Parent.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(name="Parent2")
+public class Parent {
+
+    @Id
+    int id;
+    
+    @OneToMany(mappedBy = "parent")  
+    Set<Child> children;
+    
+}