Index: branches/version-2_5-dev/data/class/util/SC_Utils.php
===================================================================
--- branches/version-2_5-dev/data/class/util/SC_Utils.php	(revision 20437)
+++ branches/version-2_5-dev/data/class/util/SC_Utils.php	(revision 20480)
@@ -1175,17 +1175,4 @@
     }
 
-    /* 子ID所属する親IDを取得する */
-    function sfGetParentsArraySub($arrData, $pid_name, $id_name, $child) {
-        $max = count($arrData);
-        $parent = "";
-        for($i = 0; $i < $max; $i++) {
-            if($arrData[$i][$id_name] == $child) {
-                $parent = $arrData[$i][$pid_name];
-                break;
-            }
-        }
-        return $parent;
-    }
-
     /* 階層構造のテーブルから与えられたIDの兄弟を取得する */
     function sfGetBrothersArray($arrData, $pid_name, $id_name, $arrPID) {
Index: branches/version-2_5-dev/data/class/helper/SC_Helper_DB.php
===================================================================
--- branches/version-2_5-dev/data/class/helper/SC_Helper_DB.php	(revision 20459)
+++ branches/version-2_5-dev/data/class/helper/SC_Helper_DB.php	(revision 20480)
@@ -895,9 +895,9 @@
         $child = $id;
 
-        $ret = SC_Utils::sfGetParentsArraySub($arrData, $pid_name, $id_name, $child);
+        $ret = SC_Helper_DB_Ex::sfGetParentsArraySub($arrData, $pid_name, $id_name, $child);
 
         while($ret != "") {
             $arrParents[] = $ret;
-            $ret = SC_Utils::sfGetParentsArraySub($arrData, $pid_name, $id_name, $ret);
+            $ret = SC_Helper_DB_Ex::sfGetParentsArraySub($arrData, $pid_name, $id_name, $ret);
         }
 
@@ -905,4 +905,17 @@
 
         return $arrParents;
+    }
+
+    /* 子ID所属する親IDを取得する */
+    function sfGetParentsArraySub($arrData, $pid_name, $id_name, $child) {
+        $max = count($arrData);
+        $parent = "";
+        for($i = 0; $i < $max; $i++) {
+            if($arrData[$i][$id_name] == $child) {
+                $parent = $arrData[$i][$pid_name];
+                break;
+            }
+        }
+        return $parent;
     }