finance-api/src/main/java/com/nokia/financeapi/dao/car/CarChaoBaoDao.java

//package com.nokia.financeapi.dao.car;
//
//import org.apache.ibatis.annotations.Mapper;
//import org.apache.ibatis.annotations.Param;
//import org.apache.ibatis.annotations.Select;
//
//@Mapper
//public interface CarChaoBaoDao {
//    /**
//     * 判断是否有数据
//     * @param endYearMonth 账期
//     */
//    @Select("""
//select exists (select 1 from car.car_chao_bao where year_month = #{endYearMonth})
//""")
//    boolean hasData(@Param("endYearMonth") Integer endYearMonth);
//}