package com.imdroid.secapi.dto;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;

import java.sql.Timestamp;

@Mapper
public interface GnssRawDataMapper extends BaseMapper<GnssRawData> {
    @Delete({"delete from gnssrawdata where createtime <= #{t}"})
    int deleteTimeBefore(Timestamp t);
}
