From cb9faf2aa928dbb6117b963fc98f46cd5ff0bf34 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Fri, 12 Jun 2015 15:21:08 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AE=BE=E7=BD=AE=E4=BA=86=E4=B8=BB=E4=BB=8E?=
 =?UTF-8?q?=E6=9C=8D=E5=8A=A1=E5=99=A8=E5=90=8E=EF=BC=8C=E6=94=AF=E6=8C=81?=
 =?UTF-8?q?=E4=BB=8E=E4=B8=BB=E6=9C=8D=E5=8A=A1=E5=99=A8=E8=AF=BB=E6=95=B0?=
 =?UTF-8?q?=E6=8D=AE=20=E6=96=B9=E6=B3=95=E6=98=AF=E5=9C=A8=E6=A8=A1?=
 =?UTF-8?q?=E5=9E=8B=E7=B1=BB=E4=B8=AD=E8=B0=83=E7=94=A8=20readMaster?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95=20$this->readMaster()->select();?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

该方法当此调用有效
---
 library/think/db/driver.php |  7 ++++---
 library/think/model.php     | 10 ++++++++++
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/library/think/db/driver.php b/library/think/db/driver.php
index 0005674c..6abb9204 100644
--- a/library/think/db/driver.php
+++ b/library/think/db/driver.php
@@ -130,10 +130,11 @@ abstract class Driver {
      * @access public
      * @param string $str  sql指令
      * @param boolean $fetchSql  不执行只是获取SQL
+     * @param boolean $master  是否在主服务器读操作
      * @return mixed
      */
-    public function query($str,$fetchSql=false) {
-        $this->initConnect(false);
+    public function query($str,$fetchSql=false,$master=false) {
+        $this->initConnect($master);
         if ( !$this->_linkID ) return false;
         $this->queryStr     =   $str;
         if(!empty($this->bind)){
@@ -935,7 +936,7 @@ abstract class Driver {
         $this->model  =   $options['model'];
         $this->parseBind(!empty($options['bind'])?$options['bind']:array());
         $sql    = $this->buildSelectSql($options);
-        $result   = $this->query($sql,!empty($options['fetch_sql']) ? true : false);
+        $result   = $this->query($sql,!empty($options['fetch_sql']) ? true : false,!empty($options['read_master']) ? true : false);
         return $result;
     }
 
diff --git a/library/think/model.php b/library/think/model.php
index f1635a0b..70c5272a 100644
--- a/library/think/model.php
+++ b/library/think/model.php
@@ -1317,4 +1317,14 @@ class Model {
         }
         return $this;
     }
+
+    /**
+     * 设置从主服务器读取数据
+     * @access public
+     * @return Model
+     */
+    public function readMaster(){
+    	$this->options['read_master'] =	true;
+    	return $this;
+    }
 }
\ No newline at end of file