<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mappernamespace="com.boco.nbd.wios.flow.mapper.def.GroupMapper"><deleteid="deleteNodeGroup"> delete from tv3_lug_node_group where group_id = #{groupId}</delete><deleteid="deleteUserGroup"> delete from tv3_lug_group_user where group_id = #{groupId}</delete></mapper>