From 9032818794ed00b52092443c3c862577cc2672e4 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sat, 17 Sep 2016 00:05:26 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E4=B8=80=E4=B8=AA=E6=9F=A5?=
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 =?UTF-8?q?=E5=AE=9ABUG?=
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---
 library/think/db/Builder.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index 7a531e62..15a240ad 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -300,6 +300,9 @@ abstract class Builder
         $bindType = isset($binds[$field]) ? $binds[$field] : PDO::PARAM_STR;
         if (is_scalar($value) && array_key_exists($field, $binds) && !in_array($exp, ['EXP', 'NOT NULL', 'NULL', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN']) && strpos($exp, 'TIME') === false) {
             if (strpos($value, ':') !== 0 || !$this->query->isBind(substr($value, 1))) {
+                if ($this->query->isBind($bindName)) {
+                    $bindName .= '_' . uniqid();
+                }
                 $this->query->bind($bindName, $value, $bindType);
                 $value = ':' . $bindName;
             }