Merge pull request #37 from orifolger/master - issue 33

Create add_gtfs_shape_distro_ratio.sql
hasadna · Jun 9, 2017 · bb9cfc7 · bb9cfc7
2 parents f24d414 + 39b9e4c
commit bb9cfc7
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/postgres/add_gtfs_shape_dist_ratio.sql b/postgres/add_gtfs_shape_dist_ratio.sql
@@ -0,0 +1,7 @@
+ALTER TABLE gtfs_stop_times ADD COLUMN shape_dist_ratio REAL;
+
+UPDATE gtfs_stop_times
+SET shape_dist_ratio = (1.0*shape_dist_traveled) /
+  (SELECT MAX(shape_dist_traveled)
+   FROM gtfs_stop_times a
+   WHERE a.trip_id = gtfs_stop_times.trip_id);