From 32cdbb430a6cac27890761e592a2a4d0f1feeda9 Mon Sep 17 00:00:00 2001
From: wangyidong <yidong@cnezsoft.com>
Date: Fri, 15 Aug 2014 02:59:50 +0000
Subject: [PATCH]  * finish task #2042.

---
 lib/dao/dao.class.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/dao/dao.class.php b/lib/dao/dao.class.php
index f63fad02a4..81193aeab2 100755
--- a/lib/dao/dao.class.php
+++ b/lib/dao/dao.class.php
@@ -438,11 +438,11 @@ class dao
      * @access public
      * @return object   the PDOStatement object.
      */
-    public function query()
+    public function query($sql = '')
     {
         if(!empty(dao::$errors)) return new PDOStatement();   // If any error, return an empty statement object to make sure the remain method to execute.
 
-        $sql = $this->processSQL();
+        if(empty($sql)) $sql = $this->processSQL();
         try
         {
             $method = $this->method;
@@ -516,11 +516,11 @@ class dao
      * @access public
      * @return int the modified or deleted records.
      */
-    public function exec()
+    public function exec($sql = '')
     {
         if(!empty(dao::$errors)) return new PDOStatement();   // If any error, return an empty statement object to make sure the remain method to execute.
 
-        $sql = $this->processSQL();
+        if(empty($sql)) $sql = $this->processSQL();
         try
         {
             $this->reset();