package com.crm.activity.dao.mapper;

import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;

/**
 * 持仓持久层
 *
 * @author y
 * @create 2022/7/21
 */
@Component
public interface TradePositionMapper {

    Integer countByLogin(@Param("login") Long login, @Param("platform") String platform);

}
