* code for task#1779.

module/upgrade/model.php

@@ -98,6 +98,9 @@ class upgradeModel extends model
             case '5_0':
             case '5_1':
             case '5_2':
+            case '5_2_1':
+                $this->mergeProjectGoalAndDesc();
+                $this->execSQL($this->getUpgradeFile('5.2.1'));
 
             default: if(!$this->isError()) $this->setting->updateVersion($this->config->version);
         }
@@ -754,6 +757,25 @@ class upgradeModel extends model
         return true;
     }
 
+    /**
+     * Merge the goal and desc of project.
+     * 
+     * @access public
+     * @return void
+     */
+    public function mergeProjectGoalAndDesc()
+    {
+        $projects = $this->dao->select('id, goal, `desc`')->from(TABLE_PROJECT)->fetchAll('id');
+        foreach($projects as $id => $project)
+        {
+            $this->dao->update(TABLE_PROJECT)
+                ->set('`desc`')->eq($project->goal . '<br />' . $project->desc)
+                ->where('id')->eq($id)
+                ->exec();
+        }
+        return true;
+    }
+
     /**
      * Judge any error occers.
      *