diff --git a/solr/example/exampledocs/hd.xml b/solr/example/exampledocs/hd.xml
index 7555100d8d7..3c5448d9dcf 100644
--- a/solr/example/exampledocs/hd.xml
+++ b/solr/example/exampledocs/hd.xml
@@ -20,6 +20,8 @@
   <field name="id">SP2514N</field>
   <field name="name">Samsung SpinPoint P120 SP2514N - hard drive - 250 GB - ATA-133</field>
   <field name="manu">Samsung Electronics Co. Ltd.</field>
+  <!-- Join -->
+  <field name="manu_id_s">samsung</field>
   <field name="cat">electronics</field>
   <field name="cat">hard drive</field>
   <field name="features">7200RPM, 8MB cache, IDE Ultra ATA-133</field>
@@ -36,6 +38,8 @@
   <field name="id">6H500F0</field>
   <field name="name">Maxtor DiamondMax 11 - hard drive - 500 GB - SATA-300</field>
   <field name="manu">Maxtor Corp.</field>
+  <!-- Join -->
+  <field name="manu_id_s">maxtor</field>
   <field name="cat">electronics</field>
   <field name="cat">hard drive</field>
   <field name="features">SATA 3.0Gb/s, NCQ</field>
diff --git a/solr/example/exampledocs/ipod_other.xml b/solr/example/exampledocs/ipod_other.xml
index f259e9e7b43..7756c9fc805 100644
--- a/solr/example/exampledocs/ipod_other.xml
+++ b/solr/example/exampledocs/ipod_other.xml
@@ -21,6 +21,8 @@
   <field name="id">F8V7067-APL-KIT</field>
   <field name="name">Belkin Mobile Power Cord for iPod w/ Dock</field>
   <field name="manu">Belkin</field>
+  <!-- Join -->
+  <field name="manu_id_s">belkin</field>
   <field name="cat">electronics</field>
   <field name="cat">connector</field>
   <field name="features">car power adapter, white</field>
@@ -37,6 +39,8 @@
   <field name="id">IW-02</field>
   <field name="name">iPod &amp; iPod Mini USB 2.0 Cable</field>
   <field name="manu">Belkin</field>
+  <!-- Join -->
+  <field name="manu_id_s">belkin</field>
   <field name="cat">electronics</field>
   <field name="cat">connector</field>
   <field name="features">car power adapter for iPod, white</field>
diff --git a/solr/example/exampledocs/ipod_video.xml b/solr/example/exampledocs/ipod_video.xml
index 7895860ea19..1ca5f6f5c21 100644
--- a/solr/example/exampledocs/ipod_video.xml
+++ b/solr/example/exampledocs/ipod_video.xml
@@ -19,6 +19,8 @@
   <field name="id">MA147LL/A</field>
   <field name="name">Apple 60 GB iPod with Video Playback Black</field>
   <field name="manu">Apple Computer Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">apple</field>
   <field name="cat">electronics</field>
   <field name="cat">music</field>
   <field name="features">iTunes, Podcasts, Audiobooks</field>
diff --git a/solr/example/exampledocs/manufacturers.xml b/solr/example/exampledocs/manufacturers.xml
new file mode 100644
index 00000000000..5e7a121394a
--- /dev/null
+++ b/solr/example/exampledocs/manufacturers.xml
@@ -0,0 +1,75 @@
+<!--
+ 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.
+-->
+
+<add>
+  <doc>
+    <field name="id">adata</field>
+    <field name="compName_s">A-Data Technology</field>
+    <field name="address_s">46221 Landing Parkway Fremont, CA 94538</field>
+  </doc>
+  <doc>
+    <field name="id">apple</field>
+    <field name="compName_s">Apple</field>
+    <field name="address_s">1 Infinite Way, Cupertino CA</field>
+  </doc>
+  <doc>
+    <field name="id">asus</field>
+    <field name="compName_s">ASUS Computer</field>
+    <field name="address_s">800 Corporate Way Fremont, CA 94539</field>
+  </doc>
+  <doc>
+    <field name="id">ati</field>
+    <field name="compName_s">ATI Technologies</field>
+    <field name="address_s">33 Commerce Valley Drive East Thornhill, ON L3T 7N6 Canada</field>
+  </doc>
+  <doc>
+    <field name="id">belkin</field>
+    <field name="compName_s">Belkin</field>
+    <field name="address_s">12045 E. Waterfront Drive Playa Vista, CA 90094</field>
+  </doc>
+  <doc>
+    <field name="id">canon</field>
+    <field name="compName_s">Canon, Inc.</field>
+    <field name="address_s">One Canon Plaza Lake Success, NY 11042</field>
+  </doc>
+  <doc>
+    <field name="id">corsair</field>
+    <field name="compName_s">Corsair Microsystems</field>
+    <field name="address_s">46221 Landing Parkway Fremont, CA 94538</field>
+  </doc>
+  <doc>
+    <field name="id">dell</field>
+    <field name="compName_s">Dell, Inc.</field>
+    <field name="address_s">One Dell Way Round Rock, Texas 78682</field>
+  </doc>
+  <doc>
+    <field name="id">maxtor</field>
+    <field name="name">Maxtor Corporation</field>
+    <field name="address_s">920 Disc Drive Scotts Valley, CA 95066</field>
+  </doc>
+  <doc>
+    <field name="id">samsung</field>
+    <field name="compName_s">Samsung Electronics Co. Ltd.</field>
+    <field name="address_s">105 Challenger Rd. Ridgefield Park, NJ 07660-0511</field>
+  </doc>
+  <doc>
+    <field name="id">viewsonic</field>
+    <field name="compName_s">ViewSonic Corp</field>
+    <field name="address_s">381 Brea Canyon Road Walnut, CA 91789-0708</field>
+  </doc>
+</add>
+
diff --git a/solr/example/exampledocs/mem.xml b/solr/example/exampledocs/mem.xml
index 1ca858d4a6b..0b89d6785c2 100644
--- a/solr/example/exampledocs/mem.xml
+++ b/solr/example/exampledocs/mem.xml
@@ -20,6 +20,8 @@
   <field name="id">TWINX2048-3200PRO</field>
   <field name="name">CORSAIR  XMS 2GB (2 x 1GB) 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) Dual Channel Kit System Memory - Retail</field>
   <field name="manu">Corsair Microsystems Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">corsair</field>
   <field name="cat">electronics</field>
   <field name="cat">memory</field>
   <field name="features">CAS latency 2,	2-3-3-6 timing, 2.75v, unbuffered, heat-spreader</field>
@@ -38,6 +40,8 @@
   <field name="id">VS1GB400C3</field>
   <field name="name">CORSAIR ValueSelect 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System Memory - Retail</field>
   <field name="manu">Corsair Microsystems Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">corsair</field>
   <field name="cat">electronics</field>
   <field name="cat">memory</field>
   <field name="price">74.99</field>
@@ -54,6 +58,8 @@
   <field name="id">VDBDB1A16</field>
   <field name="name">A-DATA V-Series 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System Memory - OEM</field>
   <field name="manu">A-DATA Technology Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">corsair</field>
   <field name="cat">electronics</field>
   <field name="cat">memory</field>
   <field name="features">CAS latency 3,	 2.7v</field>
diff --git a/solr/example/exampledocs/monitor.xml b/solr/example/exampledocs/monitor.xml
index 035f61891da..db986fa0b7f 100644
--- a/solr/example/exampledocs/monitor.xml
+++ b/solr/example/exampledocs/monitor.xml
@@ -19,6 +19,8 @@
   <field name="id">3007WFP</field>
   <field name="name">Dell Widescreen UltraSharp 3007WFP</field>
   <field name="manu">Dell, Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">dell</field>
   <field name="cat">electronics</field>
   <field name="cat">monitor</field>
   <field name="features">30" TFT active matrix LCD, 2560 x 1600, .25mm dot pitch, 700:1 contrast</field>
diff --git a/solr/example/exampledocs/monitor2.xml b/solr/example/exampledocs/monitor2.xml
index 09cc778c3da..79b99494319 100644
--- a/solr/example/exampledocs/monitor2.xml
+++ b/solr/example/exampledocs/monitor2.xml
@@ -19,6 +19,8 @@
   <field name="id">VA902B</field>
   <field name="name">ViewSonic VA902B - flat panel display - TFT - 19"</field>
   <field name="manu">ViewSonic Corp.</field>
+  <!-- Join -->
+  <field name="manu_id_s">viewsonic</field>
   <field name="cat">electronics</field>
   <field name="cat">monitor</field>
   <field name="features">19" TFT active matrix LCD, 8ms response time, 1280 x 1024 native resolution</field>
diff --git a/solr/example/exampledocs/mp500.xml b/solr/example/exampledocs/mp500.xml
index 890cd4aadfb..bab401a289b 100644
--- a/solr/example/exampledocs/mp500.xml
+++ b/solr/example/exampledocs/mp500.xml
@@ -19,6 +19,8 @@
   <field name="id">0579B002</field>
   <field name="name">Canon PIXMA MP500 All-In-One Photo Printer</field>
   <field name="manu">Canon Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">canon</field>
   <field name="cat">electronics</field>
   <field name="cat">multifunction printer</field>
   <field name="cat">printer</field>
diff --git a/solr/example/exampledocs/sd500.xml b/solr/example/exampledocs/sd500.xml
index ff700025da8..145c6fd5de6 100644
--- a/solr/example/exampledocs/sd500.xml
+++ b/solr/example/exampledocs/sd500.xml
@@ -19,6 +19,8 @@
   <field name="id">9885A004</field>
   <field name="name">Canon PowerShot SD500</field>
   <field name="manu">Canon Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">canon</field>
   <field name="cat">electronics</field>
   <field name="cat">camera</field>
   <field name="features">3x zoop, 7.1 megapixel Digital ELPH</field>
diff --git a/solr/example/exampledocs/vidcard.xml b/solr/example/exampledocs/vidcard.xml
index 9cd3fd1c79c..10b8121fdb1 100644
--- a/solr/example/exampledocs/vidcard.xml
+++ b/solr/example/exampledocs/vidcard.xml
@@ -19,7 +19,10 @@
 <doc>
   <field name="id">EN7800GTX/2DHTV/256M</field>
   <field name="name">ASUS Extreme N7800GTX/2DHTV (256 MB)</field>
+  <!-- Denormalized -->
   <field name="manu">ASUS Computer Inc.</field>
+  <!-- Join -->
+  <field name="manu_id_s">asus</field>
   <field name="cat">electronics</field>
   <field name="cat">graphics card</field>
   <field name="features">NVIDIA GeForce 7800 GTX GPU/VPU clocked at 486MHz</field>
@@ -39,6 +42,8 @@
   <field name="id">100-435805</field>
   <field name="name">ATI Radeon X1900 XTX 512 MB PCIE Video Card</field>
   <field name="manu">ATI Technologies</field>
+  <!-- Join -->
+  <field name="manu_id_s">ati</field>
   <field name="cat">electronics</field>
   <field name="cat">graphics card</field>
   <field name="features">ATI RADEON X1900 GPU/VPU clocked at 650MHz</field>