Fall back to a pure ruby update implementation if the tile_for_point

function is not present in MySQL.

diff --git a/db/migrate/005_tile_tracepoints.rb b/db/migrate/005_tile_tracepoints.rb
index c0e6d8a61d5e25940a5e6e24023e356ef219a2fb..f4d27c18c50cb50adf9fb2e1dc3574f7275b98f8 100644 (file)
--- a/db/migrate/005_tile_tracepoints.rb
+++ b/db/migrate/005_tile_tracepoints.rb
@@ -4,7 +4,15 @@ class TileTracepoints < ActiveRecord::Migration
     add_index "gps_points", ["tile"], :name => "points_tile_idx"
     remove_index "gps_points", :name => "points_idx"
 
     add_index "gps_points", ["tile"], :name => "points_tile_idx"
     remove_index "gps_points", :name => "points_idx"
 

-    Tracepoint.update_all("latitude = latitude * 10, longitude = longitude * 10, tile = tile_for_point(latitude * 10, longitude * 10)")
+    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
   end
 
   def self.down