/* * Copyright (c) 2018-2028, DreamLu All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * Neither the name of the dreamlu.net developer nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * Author: DreamLu 卢春梦 (596392912@qq.com) */ package org.springblade.core.mp.mapper; import com.baomidou.mybatisplus.core.mapper.BaseMapper; import java.util.List; /** * 自定义的 Mapper * * @author L.cm */ public interface BladeMapper extends BaseMapper { /** * 插入如果中已经存在相同的记录,则忽略当前新数据 * * @param entity 实体对象 * @return 更改的条数 */ int insertIgnore(T entity); /** * 表示插入替换数据,需求表中有PrimaryKey,或者unique索引,如果数据库已经存在数据,则用新数据替换,如果没有数据效果则和insert into一样; * * @param entity 实体对象 * @return 更改的条数 */ int replace(T entity); /** * 插入(批量) * * @param entityList 实体对象集合 * @return 成功行数 */ int insertBatchSomeColumn(List entityList); }