唯一限制条件只返回单条数据

2020-08-05 14:21:31 +08:00
parent 4a64a9269a
commit c0c62001a9
7 changed files with 11 additions and 11 deletions
--- a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
@ -65,7 +65,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	
 	<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>

 	<select id="selectDeptById" parameterType="Long" resultMap="SysDeptResult">