package com.lunhan.water.repository.mapper;

import com.lunhan.water.repository.BasicMapper;
import com.lunhan.water.repository.po.PaymentRecordsPO;
import org.apache.ibatis.annotations.Select;

import java.math.BigDecimal;

/**
 * PaymentRecords
 * @author lin.liu
 */
public interface PaymentRecordsMapper extends BasicMapper<PaymentRecordsPO> {
    @Select("SELECT COALESCE(SUM(water_amount),0) FROM payment_records WHERE user_id=#{userId}")
     BigDecimal getSumUseCount(Long userId);
}