From f1bc33e80da3211f28f6505bd4ea46ddc22fc2ce Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Fri, 07 Aug 2020 16:42:36 +0800
Subject: [PATCH] 唯一限制条件只返回单条数据

---
 ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDictTypeMapper.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDictTypeMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDictTypeMapper.xml
index cf7fc06..a3d6ec5 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDictTypeMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDictTypeMapper.xml
@@ -57,7 +57,7 @@
 	
 	<select id="checkDictTypeUnique" parameterType="String" resultMap="SysDictTypeResult">
 		<include refid="selectDictTypeVo"/>
-		where dict_type = #{dictType}
+		where dict_type = #{dictType} limit 1
 	</select>
 	
 	<delete id="deleteDictTypeById" parameterType="Long">

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