* [refac] add groupby.

lib/pivotstate/pivotstate.class.php

@@ -266,6 +266,14 @@ class pivotState
      */
     public $step2FinishSql = '';
 
+    /**
+     * useGroupBy
+     *
+     * @var    bool
+     * @access public
+     */
+    public $useGroupBy = false;
+
     /**
      * __construct method.
      *
@@ -305,6 +313,7 @@ class pivotState
         $this->setPager();
         $this->formatSettingColumns();
         $this->setStep2FinishSql();
+        $this->setUseGroupBy();
     }
 
     /**
@@ -752,6 +761,7 @@ class pivotState
         $this->formatSettingColumns();
         $this->processFieldSettingsLang();
         $this->completeFiltersDefault();
+        $this->setUseGroupBy();
     }
 
     /**
@@ -844,6 +854,7 @@ class pivotState
         if($this->issetSettings()) $this->step2FinishSql = $this->sql;
     }
 
+
     public function issetSettings()
     {
         if($this->isSummaryNotUse()) return true;

module/pivot/lang/zh-cn.php

@@ -293,6 +293,7 @@ $lang->pivot->clearSettings   = '查询数据的配置已修改，是否清空
 $lang->pivot->draftSave       = '该透视表已发布，将变为草稿态，是否继续？';
 $lang->pivot->cannotAddQuery  = '已添加结果筛选器，无法添加查询筛选器';
 $lang->pivot->cannotAddResult = '已添加查询筛选器，无法添加结果筛选器';
+$lang->pivot->cannotAddDrill  = '查询语句中存在GROUP BY或配置了筛选器，暂时无法配置数据下钻';
 
 $lang->pivot->drillModalTip       = <<<EOT
 1.请先选择需要下钻的列及其下钻的目标对象，系统将根据您的选择自动生成下钻SQL语句。