use correct conditional for pickup/drop_off 🐛

Fix the stop_times table import by using the correct optional column conditional for the pickup_type and drop_off_type columns.

Author: xander-hirsch

lib/stop_times.js

@@ -74,8 +74,8 @@ SELECT
 		trip_id AS trip_id
 		-- Casting an integer to an enum (using the index) is currently not possible, so we have to compute the availability index by hand using enum_range().
 		-- DuckDB array/list indixes are 1-based.
-		${has_pickup_type ? `,enum_range(NULL::pickup_drop_off_type)[drop_off_type + 1] AS drop_off_type` : ``}
-		${has_drop_off_type ? `,enum_range(NULL::pickup_drop_off_type)[pickup_type + 1] AS pickup_type` : ``}
+		${has_pickup_type ? `,enum_range(NULL::pickup_drop_off_type)[pickup_type + 1] AS pickup_type` : ``}
+		${has_drop_off_type ? `,enum_range(NULL::pickup_drop_off_type)[drop_off_type + 1] AS drop_off_type` : ``}
 		${has_timepoint ? `,enum_range(NULL::timepoint_v)[timepoint + 1] AS timepoint` : ''}
 	),
 	-- todo: is frequencies.txt relative to 1st arrival_time or departure_time?