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/SysDeptMapper.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
index b36a5e6..ffd5101 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
@@ -77,7 +77,7 @@
 	
 	<select id="checkDeptNameUnique" resultMap="SysDeptResult">
 	    <include refid="selectDeptVo"/>
-		where dept_name=#{deptName} and parent_id = #{parentId}
+		where dept_name=#{deptName} and parent_id = #{parentId} limit 1
 	</select>
     
     <insert id="insertDept" parameterType="SysDept">

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