只需将数据连接在一起,stops
两次连接就可以开始和结束停止,stop_times
两次连接就可以开始和结束stop_times, 我唯一不确定的是它direction_id
来自哪里。 请尝试以下查询。 在查询的最后,您可以指定start_s.stop_id
和end_s.stop_id
,代表要查询数据的两个停靠点。
SELECT t.trip_id,
start_s.stop_name as departure_stop,
start_st.departure_time,
direction_id as direction,
end_s.stop_name as arrival_stop,
end_st.arrival_time
FROM
trips t INNER JOIN calendar c ON t.service_id = c.service_id
INNER JOIN routes r ON t.route_id = r.route_id
INNER JOIN stop_times start_st ON t.trip_id = start_st.trip_id
INNER JOIN stops start_s ON start_st.stop_id = start_s.stop_id
INNER JOIN stop_times end_st ON t.trip_id = end_st.trip_id
INNER JOIN stops end_s ON end_st.stop_id = end_s.stop_id
WHERE c.monday = 1
AND direction_id = 1
AND start_st.departure_time > "00:00:00" AND start_st.departure_time < "23:59:59"
AND r.route_id = 1
AND start_s.stop_id = 42
AND end_s.stop_id = 1
我尝试从此链接查找GTFS结构示例,但找不到任何内容direction_id
指定停止名称而不是AND start_s.stop_id = 42 AND end_s.stop_id = 1
仅使用AND start_s.stop_name = 'Garrison' AND end_s.stop_name = 'Grand Central'