class CreateCountries < ActiveRecord::Migration
def self.up
- create_table :countries, innodb_table do |t|
- t.column :id, :integer_pk, :null => false
- t.column :code, :string, :limit => 2, :null => false
- t.column :min_lat, :double, :null => false
- t.column :max_lat, :double, :null => false
- t.column :min_lon, :double, :null => false
- t.column :max_lon, :double, :null => false
+ create_table :countries, :id => false do |t|
+ t.column :id, :primary_key, :null => false
+ t.column :code, :string, :limit => 2, :null => false
+ t.column :min_lat, :float, :limit => 53, :null => false
+ t.column :max_lat, :float, :limit => 53, :null => false
+ t.column :min_lon, :float, :limit => 53, :null => false
+ t.column :max_lon, :float, :limit => 53, :null => false
end
add_index :countries, [:code], :name => "countries_code_idx", :unique => true
-
- Net::HTTP.start('ws.geonames.org') do |http|
- xml = REXML::Document.new(http.get("/countryInfo").body)
-
- xml.elements.each("geonames/country") do |ele|
- code = ele.get_text("countryCode").to_s
- minlon = ele.get_text("bBoxWest").to_s
- minlat = ele.get_text("bBoxSouth").to_s
- maxlon = ele.get_text("bBoxEast").to_s
- maxlat = ele.get_text("bBoxNorth").to_s
-
- Country.create(
- :code => code,
- :min_lat => minlat.to_f, :max_lat => maxlat.to_f,
- :min_lon => minlon.to_f, :max_lon => maxlon.to_f
- )
- end
- end
end
def self.down