From e4d4911b461d08f88120a0277c23f9b58f6b3187 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Fri, 13 Apr 2018 11:33:30 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9B=E4=B8=80=E5=A4=84mysql?=
 =?UTF-8?q?=E5=85=BC=E5=AE=B9=E6=80=A7=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
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---
 library/think/db/builder/Mysql.php  | 3 ++-
 library/think/db/builder/Sqlsrv.php | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/library/think/db/builder/Mysql.php b/library/think/db/builder/Mysql.php
index 465e9485..94f82b83 100644
--- a/library/think/db/builder/Mysql.php
+++ b/library/think/db/builder/Mysql.php
@@ -105,7 +105,8 @@ class Mysql extends Builder
                 $table = $options['alias'][$table];
             }
         }
-        if ($strict || !preg_match('/[,\'\"\*\(\)`.\s]/', $key)) {
+
+        if ('*' != $key && ($strict || !preg_match('/[,\'\"\*\(\)`.\s]/', $key))) {
             $key = '`' . $key . '`';
         }
         if (isset($table)) {
diff --git a/library/think/db/builder/Sqlsrv.php b/library/think/db/builder/Sqlsrv.php
index b97886ac..e904827a 100644
--- a/library/think/db/builder/Sqlsrv.php
+++ b/library/think/db/builder/Sqlsrv.php
@@ -92,7 +92,7 @@ class Sqlsrv extends Builder
                 $table = $options['alias'][$table];
             }
         }
-        if ($strict || !preg_match('/[,\'\"\*\(\)\[.\s]/', $key)) {
+        if ('*' != $key && ($strict || !preg_match('/[,\'\"\*\(\)\[.\s]/', $key))) {
             $key = '[' . $key . ']';
         }
         if (isset($table)) {