Rephrase the OCI description for clarity

[rails.git] / db / migrate / 006_tile_nodes.rb

diff --git a/db/migrate/006_tile_nodes.rb b/db/migrate/006_tile_nodes.rb
index f8a18671e4382a7fcfc5cd3d6601899bdc8569cf..7fdb34e5782c60e56ffe9da29ded0177778601cf 100644 (file)
--- a/db/migrate/006_tile_nodes.rb
+++ b/db/migrate/006_tile_nodes.rb
@@ -1,37 +1,41 @@
-require 'migrate'
+class TileNodes < ActiveRecord::Migration[4.2]
+  class Node < ApplicationRecord
+    self.table_name = "current_nodes"
+  end
+
+  class OldNode < ApplicationRecord
+    self.table_name = "nodes"
+  end
 
-class TileNodes < ActiveRecord::Migration
   def self.upgrade_table(from_table, to_table, model)
     if ENV["USE_DB_FUNCTIONS"]
-      execute <<-END_SQL
+      execute <<-SQL.squish
       INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
       SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
              user_id, visible, tags, timestamp,
              tile_for_point(CAST(ROUND(latitude * 10000000) AS INTEGER),
                             CAST(ROUND(longitude * 10000000) AS INTEGER))
       FROM #{from_table}
-      END_SQL
+      SQL
     else
-      execute <<-END_SQL
+      execute <<-SQL.squish
       INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
       SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
              user_id, visible, tags, timestamp, 0
       FROM #{from_table}
-      END_SQL
+      SQL
 
-      model.all.each do |n|
-        n.save!
-      end
+      model.all.each(&:save!)
     end
   end
 
   def self.downgrade_table(from_table, to_table)
-    execute <<-END_SQL
+    execute <<-SQL.squish
     INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp)
     SELECT id, latitude / 10000000, longitude / 10000000,
            user_id, visible, tags, timestamp
     FROM #{from_table}
-    END_SQL
+    SQL
   end
 
   def self.up
@@ -59,8 +63,8 @@ class TileNodes < ActiveRecord::Migration
 
     drop_table "current_nodes_v5"
 
-    remove_index "nodes", :name=> "nodes_uid_idx"
-    remove_index "nodes", :name=> "nodes_timestamp_idx"
+    remove_index "nodes", :name => "nodes_uid_idx"
+    remove_index "nodes", :name => "nodes_timestamp_idx"
     rename_table "nodes", "nodes_v5"
 
     create_table "nodes", :id => false do |t|
@@ -98,7 +102,7 @@ class TileNodes < ActiveRecord::Migration
       t.column "timestamp", :datetime, :null => false
     end
 
-    add_index "current_nodes", ["latitude", "longitude"], :name => "current_nodes_lat_lon_idx"
+    add_index "current_nodes", %w[latitude longitude], :name => "current_nodes_lat_lon_idx"
     add_index "current_nodes", ["timestamp"], :name => "current_nodes_timestamp_idx"
 
     downgrade_table "current_nodes_v6", "current_nodes"
@@ -118,7 +122,7 @@ class TileNodes < ActiveRecord::Migration
     end
 
     add_index "nodes", ["id"], :name => "nodes_uid_idx"
-    add_index "nodes", ["latitude", "longitude"], :name => "nodes_latlon_idx"
+    add_index "nodes", %w[latitude longitude], :name => "nodes_latlon_idx"
     add_index "nodes", ["timestamp"], :name => "nodes_timestamp_idx"
 
     downgrade_table "nodes_v6", "nodes"