SELECT v1.*, conv(v2.booked_hour,10,2) startHour,conv(v3.booked_hour,10,2) endHour from vehicle_book_record v1
LEFT JOIN vehicle_book_hour_info v2 on v2.book_record_id = v1.id and YEAR(v2.year_month_day) = YEAR(v1.book_start_date) AND MONTH(v2.year_month_day) = MONTH(v1.book_start_date) AND DAY(v2.year_month_day) =DAY(v1.book_start_date)
LEFT JOIN vehicle_book_hour_info v3 on v3.book_record_id = v1.id and YEAR(v3.year_month_day) = YEAR(v1.book_end_date) AND MONTH(v3.year_month_day) = MONTH(v1.book_end_date) AND DAY(v3.year_month_day) =DAY(v1.book_end_date)