diff --git a/product/ERP5Type/patches/WorkflowTool.py b/product/ERP5Type/patches/WorkflowTool.py
index 754a3bb3a65eb0da2391e511b6f6fe03ceeb6184..868678a2d6f931f85b76d97aaf38345846e87b7e 100644
--- a/product/ERP5Type/patches/WorkflowTool.py
+++ b/product/ERP5Type/patches/WorkflowTool.py
@@ -27,6 +27,7 @@ from Products.CMFCore.utils import getToolByName
 from Products.ZSQLCatalog.SQLCatalog import Query, ComplexQuery, NegatedQuery
 from Products.CMFCore.utils import _getAuthenticatedUser
 from Products.ERP5Type.Cache import CachingMethod
+from sets import ImmutableSet
 
 def DCWorkflowDefinition_notifyWorkflowMethod(self, ob, method_id, args=None, kw=None, transition_list=None):
     '''
@@ -469,7 +470,12 @@ def WorkflowTool_listActions(self, info=None, object=None):
   if len(worklist_dict):
     portal_url = getToolByName(self, 'portal_url')()
     portal_catalog = getToolByName(self, 'portal_catalog')
-    search_result = portal_catalog.unrestrictedSearchResults
+    search_result = getattr(self, "Base_getCountFromWorklistTable", None)
+    if search_result is None:
+      search_result = portal_catalog.unrestrictedSearchResults
+      select_expression_prefix = 'count(*) as %s, ' % (COUNT_COLUMN_TITLE, )
+    else:
+      select_expression_prefix = 'sum(`%s`) as %s, ' % (COUNT_COLUMN_TITLE, COUNT_COLUMN_TITLE)
     getSecurityUidListAndRoleColumnDict = \
       portal_catalog.getSecurityUidListAndRoleColumnDict
     security_query_cache_dict = {}
@@ -490,8 +496,7 @@ def WorkflowTool_listActions(self, info=None, object=None):
           getWorklistListQuery(grouped_worklist_dict=grouped_worklist_dict)
         group_by_expression = ', '.join(total_criterion_id_list)
         assert COUNT_COLUMN_TITLE not in total_criterion_id_list
-        select_expression = 'count(*) as %s, %s' % (COUNT_COLUMN_TITLE,
-                                                    group_by_expression)
+        select_expression = select_expression_prefix + group_by_expression
         search_result_kw = {'select_expression': select_expression,
                             'group_by_expression': group_by_expression,
                             'query': query}
@@ -520,3 +525,57 @@ def WorkflowTool_listActions(self, info=None, object=None):
   return actions 
 
 WorkflowTool.listActions = WorkflowTool_listActions
+
+def WorkflowTool_refreshWorklistCache(self):
+  # XXX: Code below is duplicated from WorkflowTool_listActions
+  info = self._getOAI(None)
+  worklist_dict = {}
+  wf_ids = self.getWorkflowIds()
+  for wf_id in wf_ids:
+    wf = self.getWorkflowById(wf_id)
+    if wf is not None:
+      a = wf.getWorklistVariableMatchDict(info)
+      if a is not None:
+        worklist_dict[wf_id] = a
+  # End of duplicated code
+  if len(worklist_dict):
+    self.zCreateWorklistTable() # Create (or flush existing) table
+    portal_catalog = getToolByName(self, 'portal_catalog')
+    search_result = portal_catalog.unrestrictedSearchResults
+    acceptable_key_dict = portal_catalog.getSQLCatalog().getColumnMap()
+    table_column_id_set = ImmutableSet([COUNT_COLUMN_TITLE, 'security_uid', 'simulation_state', 'validation_state', 'portal_type', 'owner'])
+    security_column_id_list = ['security_uid']
+    (worklist_list_grouped_by_condition, worklist_metadata) = \
+      groupWorklistListByCondition(
+        worklist_dict=worklist_dict,
+        acceptable_key_dict=acceptable_key_dict)
+    for grouped_worklist_dict in worklist_list_grouped_by_condition:
+      # Generate the query for this worklist_list
+      (total_criterion_id_list, query) = \
+        getWorklistListQuery(grouped_worklist_dict=grouped_worklist_dict)
+      for criterion_id in total_criterion_id_list:
+        assert criterion_id in table_column_id_set
+      for security_column_id in security_column_id_list:
+        assert security_column_id not in total_criterion_id_list
+        assert security_column_id in table_column_id_set
+        total_criterion_id_list.append(security_column_id)
+      group_by_expression = ', '.join(total_criterion_id_list)
+      assert COUNT_COLUMN_TITLE not in total_criterion_id_list
+      assert COUNT_COLUMN_TITLE in table_column_id_set
+      select_expression = 'count(*) as %s, %s' % (COUNT_COLUMN_TITLE,
+                                                  group_by_expression)
+      search_result_kw = {'select_expression': select_expression,
+                          'group_by_expression': group_by_expression,
+                          'query': query}
+      #LOG('WorklistGeneration', WARNING, 'Using query: %s' % \
+      #    (search_result(src__=1, **search_result_kw), ))
+      catalog_brain_result = search_result(**search_result_kw)
+      value_column_dict = dict([(x, []) for x in table_column_id_set])
+      for catalog_brain_line in catalog_brain_result.dictionaries():
+        for column_id, value in catalog_brain_line.iteritems():
+          if column_id in value_column_dict:
+            value_column_dict[column_id].append(value)
+      if len(value_column_dict[COUNT_COLUMN_TITLE]):
+        self.zInsertIntoWorklistTable(**value_column_dict)
+
+WorkflowTool.refreshWorklistCache = WorkflowTool_refreshWorklistCache