From 36db8aa4a823ed03af441465d53a84c748a3f165 Mon Sep 17 00:00:00 2001
From: "as2252258@163.com" <as22522582>
Date: Sat, 3 Jul 2021 16:22:50 +0800
Subject: [PATCH] modify

---
 Database/Connection.php | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Database/Connection.php b/Database/Connection.php
index 35fc6b94..87acdaa5 100644
--- a/Database/Connection.php
+++ b/Database/Connection.php
@@ -267,14 +267,14 @@ class Connection extends Component
     {
         $substr = strtoupper(substr($sql, 0, 6));
         $sql = match ($substr) {
-            'SELECT', 'SHOW F', 'DELETE' => preg_replace('/FROM\s+(\w+)\s+/', 'FROM `' . $dbname . '`.$1 ', $sql),
-            'UPDATE' => preg_replace('/UPDATE\s+(\w+)\s+SET/', 'UPDATE `' . $dbname . '`.$1 SET', $sql),
-            'INSERT' => preg_replace('/INSERT INTO\s+(\w+)/', 'INSERT INTO `' . $dbname . '`.$1', $sql),
-            'TRUNCA' => preg_replace('/TRUNCATE\s+(\w+)\s+/', 'TRUNCATE `' . $dbname . '`.$1', $sql),
+            'SELECT', 'SHOW F', 'DELETE' => preg_replace('/FROM\s+([a-zA-Z\-_]+)\s+/', 'FROM `' . $dbname . '`.$1 ', $sql),
+            'UPDATE' => preg_replace('/UPDATE\s+([a-zA-Z\-_]+)\s+SET/', 'UPDATE `' . $dbname . '`.$1 SET', $sql),
+            'INSERT' => preg_replace('/INSERT INTO\s+([a-zA-Z\-_]+)/', 'INSERT INTO `' . $dbname . '`.$1', $sql),
+            'TRUNCA' => preg_replace('/TRUNCATE\s+([a-zA-Z\-_]+)\s+/', 'TRUNCATE `' . $dbname . '`.$1', $sql),
             default => throw new Exception('database error')
         };
 
-        $sql = preg_replace('/INNER JOIN\s+(\w+)\s/', 'INNER JOIN `'.$dbname.'`.$1 ', $sql);
+        $sql = preg_replace('/INNER JOIN\s+([a-zA-Z\-_]+)\s/', 'INNER JOIN `'.$dbname.'`.$1 ', $sql);
 
         $command = new Command(['db' => $this, 'sql' => $sql]);
         return $command->bindValues($attributes);