diff --git a/sandbox/data/fixtures/adult.yml b/sandbox/data/fixtures/adult.yml
new file mode 100644
index 000000000..9e5cea976
--- /dev/null
+++ b/sandbox/data/fixtures/adult.yml
@@ -0,0 +1,5 @@
+---
+Adult:
+  Adult_1:
+    name: Parent 1
+    Contact: Contact_1
\ No newline at end of file
diff --git a/sandbox/data/fixtures/car.yml b/sandbox/data/fixtures/car.yml
new file mode 100644
index 000000000..f4982734f
--- /dev/null
+++ b/sandbox/data/fixtures/car.yml
@@ -0,0 +1,8 @@
+---
+Car:
+  Car_1:
+    name: Chevorlet Trailblazer
+  Car_2:
+    name: Chevorlet Blazer
+  Car_3:
+    name: Buick
\ No newline at end of file
diff --git a/sandbox/data/fixtures/child.yml b/sandbox/data/fixtures/child.yml
new file mode 100644
index 000000000..abcb32122
--- /dev/null
+++ b/sandbox/data/fixtures/child.yml
@@ -0,0 +1,5 @@
+---
+Child:
+  Child_1:
+    name: Child 1
+    Adult: Adult_1
\ No newline at end of file
diff --git a/sandbox/data/fixtures/contact.yml b/sandbox/data/fixtures/contact.yml
new file mode 100644
index 000000000..cfda25e2d
--- /dev/null
+++ b/sandbox/data/fixtures/contact.yml
@@ -0,0 +1,8 @@
+---
+Contact:
+  Contact_1:
+    name: Jonathan H. Wage
+  Contact_3:
+    name: Daniel Adams
+  Contact_4:
+    name: Robert Adams
\ No newline at end of file
diff --git a/sandbox/data/fixtures/data.yml b/sandbox/data/fixtures/data.yml
new file mode 100644
index 000000000..a0b665c20
--- /dev/null
+++ b/sandbox/data/fixtures/data.yml
@@ -0,0 +1,8 @@
+---
+Contact: 
+  Contact_1: 
+    name: jonathan h. wage
+User: 
+  User_1: 
+    username: jonwage
+    Contact: Contact_1
diff --git a/sandbox/data/fixtures/dog.yml b/sandbox/data/fixtures/dog.yml
new file mode 100644
index 000000000..8c2794300
--- /dev/null
+++ b/sandbox/data/fixtures/dog.yml
@@ -0,0 +1,11 @@
+---
+Dog:
+  Dog_1:
+    name: Sam
+    User: User_1
+  Dog_2:
+    name: Dixie
+    User: User_2
+  Dog_3:
+    name: Chief
+    User: User_3
\ No newline at end of file
diff --git a/sandbox/data/fixtures/self_reference.yml b/sandbox/data/fixtures/self_reference.yml
new file mode 100644
index 000000000..8a2cefadb
--- /dev/null
+++ b/sandbox/data/fixtures/self_reference.yml
@@ -0,0 +1,20 @@
+---
+SelfReference:
+  SelfReference_1:
+    User1: User_1
+    User2: User_2
+    name: Self Reference 1
+    SelfReference1: SelfReference_2
+    SelfReference2: SelfReference_3
+  SelfReference_2:
+    User1: User_2
+    User2: User_1
+    name: Self Reference 2
+    SelfReference1: SelfReference_1
+    SelfReference2: SelfReference_1
+  SelfReference_3:
+    User1: User_2
+    User2: User_1
+    name: Self Reference 3
+    SelfReference1: SelfReference_3
+    SelfReference2: SelfReference_3
\ No newline at end of file
diff --git a/sandbox/data/fixtures/user.yml b/sandbox/data/fixtures/user.yml
new file mode 100644
index 000000000..aaeece0f8
--- /dev/null
+++ b/sandbox/data/fixtures/user.yml
@@ -0,0 +1,14 @@
+---
+User:
+  User_1:
+    username: jwage
+    hair_color: light brown
+    Contact: Contact_1
+  User_2:
+    username: dadams
+    hair_color: dark brown
+    Contact: Contact_3
+  User_3:
+    username: radams
+    hair_color: light brown
+    Contact: Contact_4
\ No newline at end of file
diff --git a/sandbox/data/fixtures/user_car.yml b/sandbox/data/fixtures/user_car.yml
new file mode 100644
index 000000000..af7802614
--- /dev/null
+++ b/sandbox/data/fixtures/user_car.yml
@@ -0,0 +1,11 @@
+---
+UserCar:
+  UserCar_1:
+    User: User_1
+    Car: Car_1
+  UserCar_2:
+    User: User_2
+    Car: Car_2
+  UserCar_3:
+    User: User_3
+    Car: Car_3
\ No newline at end of file
diff --git a/sandbox/models/Adult.class.php b/sandbox/models/Adult.class.php
new file mode 100644
index 000000000..c3bdc3146
--- /dev/null
+++ b/sandbox/models/Adult.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseAdult.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class Adult extends BaseAdult
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/Car.class.php b/sandbox/models/Car.class.php
new file mode 100644
index 000000000..b3f08bc47
--- /dev/null
+++ b/sandbox/models/Car.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseCar.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class Car extends BaseCar
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/Child.class.php b/sandbox/models/Child.class.php
new file mode 100644
index 000000000..bb78d47f1
--- /dev/null
+++ b/sandbox/models/Child.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseChild.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class Child extends BaseChild
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/Dog.class.php b/sandbox/models/Dog.class.php
new file mode 100644
index 000000000..f4e752aee
--- /dev/null
+++ b/sandbox/models/Dog.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseDog.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class Dog extends BaseDog
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/Entity.class.php b/sandbox/models/Entity.class.php
new file mode 100644
index 000000000..5c92e84ab
--- /dev/null
+++ b/sandbox/models/Entity.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseEntity.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class Entity extends BaseEntity
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/Group.class.php b/sandbox/models/Group.class.php
new file mode 100644
index 000000000..2a7a97123
--- /dev/null
+++ b/sandbox/models/Group.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseGroup.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class Group extends BaseGroup
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/SelfReference.class.php b/sandbox/models/SelfReference.class.php
new file mode 100644
index 000000000..dfabec988
--- /dev/null
+++ b/sandbox/models/SelfReference.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseSelfReference.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class SelfReference extends BaseSelfReference
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/UserCar.class.php b/sandbox/models/UserCar.class.php
new file mode 100644
index 000000000..fedfa22be
--- /dev/null
+++ b/sandbox/models/UserCar.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseUserCar.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class UserCar extends BaseUserCar
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/UserGroup.class.php b/sandbox/models/UserGroup.class.php
new file mode 100644
index 000000000..d9cea0129
--- /dev/null
+++ b/sandbox/models/UserGroup.class.php
@@ -0,0 +1,12 @@
+<?php
+require_once('generated/BaseUserGroup.class.php');
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+class UserGroup extends BaseUserGroup
+{
+
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseAdult.class.php b/sandbox/models/generated/BaseAdult.class.php
new file mode 100644
index 000000000..3d9e0329f
--- /dev/null
+++ b/sandbox/models/generated/BaseAdult.class.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseAdult extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('adult');
+		$this->hasColumn('id', 'integer', 11, array('primary' => true,
+                                              'autoincrement' => true));
+
+		$this->hasColumn('name', 'string', 255);
+		$this->hasColumn('contact_id', 'integer', 11);
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasOne('Contact', array('local' => 'contact_id',
+                                 'foreign' => 'id'));
+
+		$this->hasMany('Child as Children', array('local' => 'id',
+                                            'foreign' => 'adult_id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseCar.class.php b/sandbox/models/generated/BaseCar.class.php
new file mode 100644
index 000000000..20550425f
--- /dev/null
+++ b/sandbox/models/generated/BaseCar.class.php
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseCar extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('car');
+		$this->hasColumn('id', 'integer', 11, array('primary' => true,
+                                              'autoincrement' => true));
+		$this->hasColumn('name', 'string', 255);
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasMany('User as Users', array('refClass' => 'UserCar',
+                                        'local' => 'car_id',
+                                        'foreign' => 'user_id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseChild.class.php b/sandbox/models/generated/BaseChild.class.php
new file mode 100644
index 000000000..77ca67798
--- /dev/null
+++ b/sandbox/models/generated/BaseChild.class.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseChild extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('child');
+		$this->hasColumn('id', 'integer', 11, array('primary' => true,
+                                              'autoincrement' => true));
+
+		$this->hasColumn('name', 'string', 255);
+		$this->hasColumn('adult_id', 'integer', 11);
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasOne('Adult', array('local' => 'adult_id',
+                               'foreign' => 'id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseDog.class.php b/sandbox/models/generated/BaseDog.class.php
new file mode 100644
index 000000000..2fbd9408f
--- /dev/null
+++ b/sandbox/models/generated/BaseDog.class.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseDog extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('dog');
+		$this->hasColumn('id', 'integer', 11, array('primary' => true,
+                                              'autoincrement' => true));
+
+		$this->hasColumn('name', 'string', 255);
+		$this->hasColumn('user_id', 'integer', 11);
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasOne('User', array('local' => 'user_id',
+                              'foreign' => 'id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseEntity.class.php b/sandbox/models/generated/BaseEntity.class.php
new file mode 100644
index 000000000..16e4f421b
--- /dev/null
+++ b/sandbox/models/generated/BaseEntity.class.php
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseEntity extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('entity');
+		$this->hasColumn('id', 'integer', 11, array('primary' => true,
+                                              'autoincrement' => true));
+
+
+
+
+
+	}
+
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseGroup.class.php b/sandbox/models/generated/BaseGroup.class.php
new file mode 100644
index 000000000..d50e2cd10
--- /dev/null
+++ b/sandbox/models/generated/BaseGroup.class.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseGroup extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('group');
+		$this->hasColumn('id', 'integer', 4, array('notnull' => true,
+                                             'primary' => true,
+                                             'autoincrement' => true));
+		$this->hasColumn('name', 'string', 255);
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasMany('User as Users', array('refClass' => 'UserGroup',
+                                        'local' => 'group_id',
+                                        'foreign' => 'user_id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseSelfReference.class.php b/sandbox/models/generated/BaseSelfReference.class.php
new file mode 100644
index 000000000..414ce81fb
--- /dev/null
+++ b/sandbox/models/generated/BaseSelfReference.class.php
@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseSelfReference extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('self_reference');
+		$this->hasColumn('id', 'integer', 11, array('primary' => true,
+                                              'autoincrement' => true));
+
+		$this->hasColumn('name', 'string', 255);
+
+		$this->hasColumn('user_id1', 'integer', 11);
+
+		$this->hasColumn('user_id2', 'integer', 11);
+
+		$this->hasColumn('parent_self_reference_id', 'integer', 11);
+		$this->hasColumn('parent_self_reference_id2', 'integer', 11);
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasOne('User as User1', array('local' => 'user_id1',
+                                       'foreign' => 'id'));
+
+		$this->hasOne('User as User2', array('local' => 'user_id2',
+                                       'foreign' => 'id'));
+
+		$this->hasOne('SelfReference as SelfReference1', array('local' => 'parent_self_reference_id',
+                                                         'foreign' => 'id'));
+
+		$this->hasOne('SelfReference as SelfReference2', array('local' => 'parent_self_reference_id2',
+                                                         'foreign' => 'id'));
+
+		$this->hasMany('SelfReference as SelfReferences1', array('local' => 'id',
+                                                           'foreign' => 'parent_self_reference_id'));
+
+		$this->hasMany('SelfReference as SelfReferences2', array('local' => 'id',
+                                                           'foreign' => 'parent_self_reference_id2'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseUserCar.class.php b/sandbox/models/generated/BaseUserCar.class.php
new file mode 100644
index 000000000..ac7e0c001
--- /dev/null
+++ b/sandbox/models/generated/BaseUserCar.class.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseUserCar extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('user_car');
+		$this->hasColumn('user_id', 'integer', 11, array('primary' => true));
+		$this->hasColumn('car_id', 'integer', 11, array('primary' => true));
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasOne('User', array('local' => 'user_id',
+                              'foreign' => 'id'));
+
+		$this->hasOne('Car', array('local' => 'car_id',
+                             'foreign' => 'id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/models/generated/BaseUserGroup.class.php b/sandbox/models/generated/BaseUserGroup.class.php
new file mode 100644
index 000000000..9048a0709
--- /dev/null
+++ b/sandbox/models/generated/BaseUserGroup.class.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * This class has been auto-generated by the Doctrine ORM Framework
+ */
+abstract class BaseUserGroup extends Doctrine_Record
+{
+
+	public function setTableDefinition()
+	{
+		$this->setTableName('user_group');
+		$this->hasColumn('user_id', 'integer', 4, array('primary' => true));
+		$this->hasColumn('group_id', 'integer', 4, array('primary' => true));
+
+
+
+
+
+	}
+
+	public function setUp()
+	{
+		$this->hasOne('User', array('local' => 'user_id',
+                              'foreign' => 'id'));
+
+		$this->hasOne('Group', array('local' => 'group_id',
+                               'foreign' => 'id'));
+
+	}
+
+}
\ No newline at end of file
diff --git a/sandbox/schema/adult.yml b/sandbox/schema/adult.yml
new file mode 100644
index 000000000..37c71fed0
--- /dev/null
+++ b/sandbox/schema/adult.yml
@@ -0,0 +1,17 @@
+---
+Adult:
+  fields:
+    id:
+      type: integer
+      size: 11
+      primary: true
+      autoincrement: true
+    name:
+      type: string
+      size: 255
+    contact_id:
+      type: integer
+      size: 11
+  relations:
+    Contact:
+      foreignType: one
\ No newline at end of file
diff --git a/sandbox/schema/car.yml b/sandbox/schema/car.yml
new file mode 100644
index 000000000..4553ef4b3
--- /dev/null
+++ b/sandbox/schema/car.yml
@@ -0,0 +1,15 @@
+---
+Car:
+  columns:
+    id:
+      type: integer
+      length: 11
+      primary: true
+      autoincrement: true
+    name:
+      type: string
+      length: 255
+  relations:
+    Users:
+      class: User
+      refClass: UserCar
\ No newline at end of file
diff --git a/sandbox/schema/child.yml b/sandbox/schema/child.yml
new file mode 100644
index 000000000..8bf108d98
--- /dev/null
+++ b/sandbox/schema/child.yml
@@ -0,0 +1,17 @@
+---
+Child:
+  fields:
+    id:
+      type: integer
+      size: 11
+      primary: true
+      autoincrement: true
+    name:
+      type: string
+      size: 255
+    adult_id:
+      type: integer
+      size: 11
+  relations:
+    Adult:
+      foreignAlias: Children
\ No newline at end of file
diff --git a/sandbox/schema/dog.yml b/sandbox/schema/dog.yml
new file mode 100644
index 000000000..34551e187
--- /dev/null
+++ b/sandbox/schema/dog.yml
@@ -0,0 +1,17 @@
+---
+Dog:
+  columns:
+    id:
+      type: integer
+      length: 11
+      primary: true
+      autoincrement: true
+    name:
+      type: string
+      length: 255
+    user_id:
+      type: integer
+      length: 11
+  relations:
+    User:
+      foreignType: one
\ No newline at end of file
diff --git a/sandbox/schema/entity.yml b/sandbox/schema/entity.yml
new file mode 100644
index 000000000..47282a80d
--- /dev/null
+++ b/sandbox/schema/entity.yml
@@ -0,0 +1,8 @@
+---
+Entity:
+  columns:
+    id:
+      type: integer
+      size: 11
+      primary: true
+      autoincrement: true
\ No newline at end of file
diff --git a/sandbox/schema/group.yml b/sandbox/schema/group.yml
new file mode 100644
index 000000000..3f9ee988b
--- /dev/null
+++ b/sandbox/schema/group.yml
@@ -0,0 +1,17 @@
+---
+Group: 
+  columns: 
+    id: 
+      notnull: true
+      primary: true
+      autoincrement: true
+      type: integer
+      length: 4
+      name: id
+    name: 
+      type: string
+      length: 255
+  relations:
+    Users:
+      class: User
+      refClass: UserGroup
\ No newline at end of file
diff --git a/sandbox/schema/self_reference.yml b/sandbox/schema/self_reference.yml
new file mode 100644
index 000000000..30a8b234b
--- /dev/null
+++ b/sandbox/schema/self_reference.yml
@@ -0,0 +1,40 @@
+---
+SelfReference:
+  fields:
+    id:
+      type: integer
+      size: 11
+      primary: true
+      autoincrement: true
+    name:
+      type: string
+      size: 255
+    user_id1:
+      type: integer
+      size: 11
+    user_id2:
+      type: integer
+      size: 11
+    parent_self_reference_id:
+      type: integer
+      size: 11
+    parent_self_reference_id2:
+      type: integer
+      size: 11
+  relations:
+    User1:
+      class: User
+      local: user_id1
+      foreignAlias: SelfReference1
+    User2:
+      class: User
+      local: user_id2
+      foreignAlias: SelfReference2
+    SelfReference1:
+      class: SelfReference
+      local: parent_self_reference_id
+      foreignAlias: SelfReferences1
+    SelfReference2:
+      class: SelfReference
+      local: parent_self_reference_id2
+      foreignAlias: SelfReferences2
\ No newline at end of file
diff --git a/sandbox/schema/user_car.yml b/sandbox/schema/user_car.yml
new file mode 100644
index 000000000..204d047e5
--- /dev/null
+++ b/sandbox/schema/user_car.yml
@@ -0,0 +1,14 @@
+---
+UserCar:
+  columns:
+    user_id:
+      type: integer
+      length: 11
+      primary: true
+    car_id:
+      type: integer
+      length: 11
+      primary: true
+  relations:
+    User: -
+    Car: -
\ No newline at end of file
diff --git a/sandbox/schema/user_group.yml b/sandbox/schema/user_group.yml
new file mode 100644
index 000000000..0d3bd07ae
--- /dev/null
+++ b/sandbox/schema/user_group.yml
@@ -0,0 +1,14 @@
+---
+UserGroup:
+  columns:
+    user_id:
+      type: integer
+      length: 4
+      primary: true
+    group_id:
+      type: integer
+      length: 4
+      primary: true
+  relations:
+    User: -
+    Group: -
\ No newline at end of file