migrations: add specific method for nodes/ways/relations enum column

[rails.git] / db / migrate / 005_tile_tracepoints.rb

diff --git a/db/migrate/005_tile_tracepoints.rb b/db/migrate/005_tile_tracepoints.rb
index 246f9b7b41a1e37869a7192bc7fb96c8ddb9e9c3..51a4d1376233c28ed88494b24f3c7eca71ee5a30 100644 (file)
--- a/db/migrate/005_tile_tracepoints.rb
+++ b/db/migrate/005_tile_tracepoints.rb
@@ -4,10 +4,20 @@ class TileTracepoints < ActiveRecord::Migration
     add_index "gps_points", ["tile"], :name => "points_tile_idx"
     remove_index "gps_points", :name => "points_idx"
 
-    Tracepoint.update_all("tile = tile_for_point(latitude, longitude)")
+    begin
+      Tracepoint.update_all("latitude = latitude * 10, longitude = longitude * 10, tile = tile_for_point(latitude * 10, longitude * 10)")
+    rescue ActiveRecord::StatementInvalid => ex
+      Tracepoint.find(:all).each do |tp|
+        tp.latitude = tp.latitude * 10
+        tp.longitude = tp.longitude * 10
+        tp.save!
+      end
+    end
   end
 
   def self.down
+    Tracepoint.update_all("latitude = latitude / 10, longitude = longitude / 10")
+
     add_index "gps_points", ["latitude", "longitude"], :name => "points_idx"
     remove_index "gps_points", :name => "points_tile_idx"
     remove_column "gps_points", "tile"