<?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.cloudroam.mapper.UserGroupMapper">
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<!-- 通用查询映射结果 -->
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<resultMap id="BaseResultMap" type="com.cloudroam.model.UserGroupDO">
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<id column="id" property="id"/>
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<result column="user_id" property="userId"/>
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<result column="group_id" property="groupId"/>
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</resultMap>
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<insert id="insertBatch">
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INSERT INTO lin_user_group(user_id, group_id)
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VALUES
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<foreach collection="relations" item="relation" separator=",">
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(#{relation.userId}, #{relation.groupId})
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</foreach>
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</insert>
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<delete id="deleteByUserId">
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DELETE FROM lin_user_group
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WHERE user_id = #{user_id}
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</delete>
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</mapper>
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