<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.whyc.mapper.UserRoleMapper" >
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<resultMap id="Map_UserRole" type="UserRole">
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<association property="user" javaType="User">
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<id property="id" column="userId" />
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<result property="name" column="username" />
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</association>
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<association property="role" javaType="Role">
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<id property="id" column="roleId"/>
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<result property="name" column="name"/>
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</association>
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</resultMap>
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<resultMap id="Map_UserRoles" type="UserRole">
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<result column="userIds" property="userIds" />
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<result column="userNames" property="userNames" />
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<result property="roleId" column="roleId"/>
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<result property="roleName" column="name"/>
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</resultMap>
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<select id="getUserWithNoRole" resultType="User">
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select user.id,user.name from tb_user user left join tb_user_role userRole on user.id =userRole.user_id
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where userRole.role_id is null
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</select>
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<select id="getUserWithRole" resultMap="Map_UserRole">
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select user.id as userId,user.name as username,role.id as roleId,role.name from tb_user_role userRole,tb_user user,tb_role role
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where user.id = userRole.user_id and userRole.role_id=role.id
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</select>
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<select id="getUserWithRoleMap" resultMap="Map_UserRoles">
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select GROUP_CONCAT(user.id ) as userIds,GROUP_CONCAT(user.name) as userNames,role.id as roleId,role.name
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FROM tb_user_role userRole,tb_user user,tb_role role
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WHERE user.id = userRole.user_id and userRole.role_id=role.id group by roleId
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</select>
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<select id="findRolesByUserId" resultType="string">
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select r.name from tb_user_role ur,tb_role r where ur.role_id=r.id and ur.user_id=#{userId};
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</select>
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</mapper>
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