getNextTripsForStop.sql

DELIMITER $$

DROP PROCEDURE IF EXISTS `ocdata`.`getNextTripsForStop`$$

CREATE PROCEDURE `ocdata`.`getNextTripsForStop` (IN stop      VARCHAR(10))
BEGIN
SET @DayOfTheWeek = LCASE(DATE_FORMAT(NOW(),'%W'));
SET @DayOfTheWeekYesterday = LCASE(DATE_FORMAT(DATE_SUB(NOW(), INTERVAL 1 DAY),'%W'));
SET @StopID = stop;

SET @SQL = CONCAT('
SELECT stop_name, 
route_short_name, 
trip_headsign, 
IF(arrival_time >= \'24:00:00\', SUBTIME(arrival_time,\'24:00:00\'),arrival_time) AS arrival_time, 
CurrentTime, 
CurrentDate, 
TimeMax
 
FROM (
 
SELECT s.stop_name, 
r.route_short_name, 
t.trip_headsign, 
SUBTIME(st.arrival_time,\'24:00:00\') AS arrival_time, 
TIME(NOW()) AS CurrentTime,
DATE_FORMAT(NOW(), \'%Y%m%d\') AS CurrentDate,
TIME(DATE_ADD(NOW(), INTERVAL 1 HOUR)) AS TimeMax 
FROM stops s
  INNER JOIN stop_times st ON s.stop_id = st.stop_id
    INNER JOIN trips t ON st.trip_id = t.trip_id
      INNER JOIN routes r ON t.route_id = r.route_id
        INNER JOIN calendar c ON t.service_id = c.service_id
WHERE c.service_id IN (
  SELECT service_id
  FROM calendar c
  WHERE DATE_FORMAT(DATE_SUB(NOW(), INTERVAL 1 DAY),\'%Y%m%d\') BETWEEN c.start_date AND c.end_date
  AND ', @DayOfTheWeekYesterday, ' = 1
  AND service_id NOT IN (
    SELECT service_id FROM calendar_dates WHERE date = DATE_FORMAT(DATE_SUB(NOW(), INTERVAL 1 DAY),\'%Y%m%d\') AND exception_type = 2
  )
  UNION
  SELECT c.service_id
  FROM calendar c
    INNER JOIN calendar_dates cd ON c.service_id = cd.service_id
  WHERE cd.exception_type = 1
  AND cd.date = DATE_FORMAT(DATE_SUB(NOW(), INTERVAL 1 DAY),\'%Y%m%d\')
)
AND s.stop_code = ', @StopID,'
AND arrival_time >= \'24:00:00\'
 
UNION
 
SELECT s.stop_name, 
r.route_short_name, 
t.trip_headsign, 
st.arrival_time, 
TIME(NOW()) AS CurrentTime,
DATE_FORMAT(NOW(), \'%Y%m%d\') AS CurrentDate,
TIME(DATE_ADD(NOW(), INTERVAL 1 HOUR)) AS TimeMax 
FROM stops s
  INNER JOIN stop_times st ON s.stop_id = st.stop_id
    INNER JOIN trips t ON st.trip_id = t.trip_id
      INNER JOIN routes r ON t.route_id = r.route_id
        INNER JOIN calendar c ON t.service_id = c.service_id
WHERE c.service_id IN (
  SELECT service_id
  FROM calendar c
  WHERE DATE_FORMAT(NOW(),\'%Y%m%d\') BETWEEN c.start_date AND c.end_date
  AND ', @DayOfTheWeek, ' = 1
  AND service_id NOT IN (
    SELECT service_id FROM calendar_dates WHERE date = DATE_FORMAT(NOW(),\'%Y%m%d\') AND exception_type = 2
  )
  UNION
  SELECT c.service_id
  FROM calendar c
    INNER JOIN calendar_dates cd ON c.service_id = cd.service_id
  WHERE cd.exception_type = 1
  AND cd.date = DATE_FORMAT(NOW(),\'%Y%m%d\')
)
AND s.stop_code = ', @StopID, '
AND arrival_time > TIME(NOW())
) a
WHERE arrival_time BETWEEN TIME(NOW()) AND TIME(DATE_ADD(NOW(), INTERVAL 1 HOUR))
ORDER BY arrival_time');
PREPARE STMT FROM @SQL;
EXECUTE STMT;

END;

Good catch on the @dayoftheweek flaw, thanks!