From e2a77ff2f3b0291da202a2969ed4a59ca9a9f68d Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Mon, 18 Dec 2017 16:46:06 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9Bjoin=E5=85=B3=E8=81=94?=
 =?UTF-8?q?=E8=87=AA=E8=BA=AB=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
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---
 library/think/db/Query.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 78f971cb..9a274fd5 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -733,7 +733,10 @@ class Query
         if (isset($alias) && $table != $alias) {
             if (isset($this->options['alias'][$table])) {
                 $table = $table . '@think' . uniqid();
+            } elseif ($this->gettable() == $table) {
+                $table = $table . '@think' . uniqid();
             }
+
             $table = [$table => $alias];
             $this->alias($table);
         }