+require 'migrate'
+
class TileNodes < ActiveRecord::Migration
def self.upgrade_table(from_table, to_table, model)
- begin
+ if ENV["USE_DB_FUNCTIONS"]
execute <<-END_SQL
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 UNSIGNED),
- CAST(ROUND(longitude * 10000000) AS UNSIGNED))
+ tile_for_point(CAST(ROUND(latitude * 10000000) AS INTEGER),
+ CAST(ROUND(longitude * 10000000) AS INTEGER))
FROM #{from_table}
END_SQL
- rescue ActiveRecord::StatementInvalid => ex
+ else
execute <<-END_SQL
INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
FROM #{from_table}
END_SQL
- model.find(:all).each do |n|
+ model.all.each do |n|
n.save!
end
end
end
def self.up
+ remove_index "current_nodes", :name => "current_nodes_timestamp_idx"
+
rename_table "current_nodes", "current_nodes_v5"
create_table "current_nodes", innodb_table do |t|
add_index "current_nodes", ["timestamp"], :name => "current_nodes_timestamp_idx"
add_index "current_nodes", ["tile"], :name => "current_nodes_tile_idx"
- change_column "current_nodes", "tile", :integer, :null => false, :unsigned => true
+ change_column "current_nodes", "tile", :four_byte_unsigned
upgrade_table "current_nodes_v5", "current_nodes", Node
drop_table "current_nodes_v5"
+ remove_index "nodes", :name=> "nodes_uid_idx"
+ remove_index "nodes", :name=> "nodes_timestamp_idx"
rename_table "nodes", "nodes_v5"
create_table "nodes", myisam_table do |t|
add_index "nodes", ["timestamp"], :name => "nodes_timestamp_idx"
add_index "nodes", ["tile"], :name => "nodes_tile_idx"
- change_column "nodes", "tile", :integer, :null => false, :unsigned => true
+ change_column "nodes", "tile", :four_byte_unsigned
upgrade_table "nodes_v5", "nodes", OldNode