From 087e968b806846a985e66ccc57624ea8328f5a51 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Wed, 26 Oct 2016 11:34:36 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9BQuery=E7=B1=BBwhere=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95?=
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---
 library/think/db/Query.php | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 796dd769..0c9d8ef7 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -906,13 +906,9 @@ class Query
             if (is_array($field)) {
                 // 数组批量查询
                 $where = $field;
-            } elseif ($field) {
+            } elseif ($field && is_string($field)) {
                 // 字符串查询
-                if (is_numeric($field)) {
-                    $where[] = ['exp', $field];
-                } else {
-                    $where[$field] = ['null', ''];
-                }
+                $where[$field] = ['null', ''];
             }
         } elseif (is_array($op)) {
             $where[$field] = $param;