大批量数据处理

<insert id="batchAdd" parameterType="java.util.List">
        INSERT INTO T_FOMF_SUPPER_PRICE_METHOD_AD
        (ID, AUDIT_ID, PRICE_ITEM_CODE, FORMULA, LEFT_RANGE, RIGHT_RANGE, MATHORDER, MIN_FEE, MAX_FEE, OPEN_CLOSE, CREATE_DATE)
        <foreach collection="list" item="item" index="index"
                 separator="UNION ALL">
            SELECT
             #{item.id,jdbcType=VARCHAR} 
            ,#{item.auditId,jdbcType=VARCHAR} 
            ,#{item.priceItemCode,jdbcType=VARCHAR} 
            ,#{item.formula,jdbcType=VARCHAR} 
            ,#{item.leftRange,jdbcType=DOUBLE} 
            ,#{item.rightRange,jdbcType=DOUBLE} 
            ,#{item.mathOrder,jdbcType=NUMERIC} 
            ,#{item.minFee,jdbcType=DOUBLE} 
            ,#{item.maxFee,jdbcType=DOUBLE} 
            ,#{item.openClose,jdbcType=CHAR} 
            ,#{item.createDate,jdbcType=TIMESTAMP} 
            FROM DUAL
        </foreach>
    </insert>

业务场景：更绑网点 10000条数据

对两张表做新增，一张表做删除，一张表做修改

处理结果：7s左右

public Boolean insertUpdateSite(MmOrderNumberQueryVo vo,UserEntity userEntity) throws BusinessException{
        
        //1、在散列表中取出 更绑前网点 信息的id集合
        List<String> Idlist = mmSectionOrderQueryDao.getSiteList(vo.getBeforeSiteCode());
        if(null == Idlist || Idlist.size() ==0){
            throw new BusinessException("更绑前网点绑定的面单数量为0，不允许更绑该网点！！！");
        }
        
        
        
        //需要更绑的面单数量
        int valueSize = Idlist.size();
        // 批次数
        int batchSize = valueSize / totalNum + (valueSize % totalNum == 0 ? 0 : 1);
        
        int startNum = 0;
        int endNum = 0;
        List<String> singleList = new LinkedList<>();
        for(int i = 0;i<batchSize;i++){
            startNum = i*totalNum;
            endNum = (i+1)*totalNum;
            if(endNum>valueSize){
                endNum = valueSize;
            }
            singleList = Idlist.subList(startNum, endNum);
            
            
            //2、在网点变更查询表（T_MM_SECTION_SITE_UPDATE）中删除旧的数据 来保证 T_MM_SECTION_SL_ID的唯一
            String str = this.GetWhereInValuesSql("T_MM_SECTION_SL_ID",singleList,totalNum);
            mmSectionOrderQueryDao.deleteBatchQuery(str);
            //3、在网点变更记录表中批量添加数据 
            List<MmSectionSiteUpdateEntity> list = getSiteUpList(vo,userEntity,singleList);
            mmSectionOrderQueryDao.insertBatchRecord(list);
            //4、在网点变更查询表中批量添加数据
            mmSectionOrderQueryDao.insertBatchQuery(list);
            //5、修改散列表BIND_CODE字段
            mmSectionOrderQueryDao.updateBatchQuery(vo.getBeforeSiteCode(),vo.getAfterSiteCode());
            
        }
        
        
        return true;
    }

对集合切割处理，每次处理800条，速度较快