diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view.xml
index 3ff4439366839eca7e663115a917c0ff1d62e780..9a113bd4b0fdf192e469500ac58e5c00dd6e7464 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view.xml
@@ -67,6 +67,7 @@
                     <value>
                       <list>
                         <string>my_preferred_criterion_property_list</string>
+                        <string>my_preferred_predicate_category_list</string>
                       </list>
                     </value>
                 </item>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view/my_preferred_predicate_category_list.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view/my_preferred_predicate_category_list.xml
new file mode 100644
index 0000000000000000000000000000000000000000..24cd90cd4dd915cfbb0229d2439b1704326c0e8c
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SystemPreference_view/my_preferred_predicate_category_list.xml
@@ -0,0 +1,152 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="ProxyField" module="Products.ERP5Form.ProxyField"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>default</string>
+                <string>description</string>
+                <string>height</string>
+                <string>title</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_preferred_predicate_category_list</string> </value>
+        </item>
+        <item>
+            <key> <string>message_values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>external_validator_failed</string> </key>
+                    <value> <string>The input failed the external validator.</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>overrides</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>height</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value>
+                      <list/>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string>List of base categories used for optimized predicate category search.\n
+\n
+If you change this preference, you must reindex all predicate documents. Otherwise this configuration will not be used.</string> </value>
+                </item>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string>my_lines_field</string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string>Base_viewFieldLibrary</string> </value>
+                </item>
+                <item>
+                    <key> <string>height</string> </key>
+                    <value> <int>10</int> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string>Click to edit the target</string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>Predicate Categories</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <tuple>
+        <global name="TALESMethod" module="Products.Formulator.TALESField"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_text</string> </key>
+            <value> <string>python:here.getPreferredPredicateCategoryList() or preferences.getPreferredPredicateCategoryList()</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/bt/change_log b/product/ERP5/bootstrap/erp5_core/bt/change_log
index 4b6347e68470394a46b9f13cac9632dfcd72889c..f5c7ed27243367e5b98df7a7841273ef00d0faa0 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/change_log
+++ b/product/ERP5/bootstrap/erp5_core/bt/change_log
@@ -1,3 +1,6 @@
+2010-06-09 yusei
+* Add predicate category field to system preference. This preference is used for optimized predicate category search("non-left join version").
+
 2010-06-08 yusei
 * Add CategoryTool_getPreferredPredicateCategoryParentUidItemList for optimized predicate category search.
 
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index 38ca8416ea999889ea692f33a71014486cc55105..8e91b904487b4c249312e44ed045f48b76452caf 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-1606
\ No newline at end of file
+1607
\ No newline at end of file