Use group by

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12180 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web/SkinTemplateItem/portal_skins/erp5_web/WebSection_getDocumentValueList.xml

@@ -126,8 +126,8 @@ if not kw.has_key(\'validation_state\'):\n
                             \'released\', \'published\', \'restricted\']\n
 if not kw.has_key(\'order_by\'):\n
   kw[\'order_by\'] = [(\'int_index\', \'descending\')]\n
-#if not kw.has_key(\'group_by\'):\n
-#  kw[\'group_by\'] = [(\'reference\',)]\n
+if not kw.has_key(\'group_by\'):\n
+  kw[\'group_by\'] = (\'reference\',)\n
 \n
 # Return the list of matching documents for the given states\n
 return current_section.searchResults(**kw)\n