Class: CreateGeonamesAlternateNames

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/geonames_dump/templates/db/migrate/create_geonames_alternate_names.rb

Instance Method Summary collapse

Instance Method Details

#change ⇒ Object

download.geonames.org/export/dump/countryInfo.txt alternateNameId : the id of this alternate name, int geonameid : geonameId referring to id in table ‘geoname’, int isolanguage : iso 639 language code 2- or 3-characters; 4-characters ‘post’ for postal codes and ‘iata’,‘icao’ and faac for airport codes, fr_1793 for French Revolution names, abbr for abbreviation, link for a website, varchar(7) alternate name : alternate name or name variant, varchar(200) isPreferredName : ‘1’, if this alternate name is an official/preferred name isShortName : ‘1’, if this is a short name like ‘California’ for ‘State of California’ isColloquial : ‘1’, if this alternate name is a colloquial or slang term isHistoric : ‘1’, if this alternate name is historic and was used in the past



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# File 'lib/generators/geonames_dump/templates/db/migrate/create_geonames_alternate_names.rb', line 11

def change
  create_table :geonames_alternate_names do |t|
    t.integer :alternate_name_id
    t.integer :geonameid
    t.string :isolanguage, length: 7
    t.string :alternate_name, length: 200
    t.boolean :is_preferred_name
    t.boolean :is_short_name
    t.boolean :is_colloquial
    t.boolean :is_historic

    t.string :alternate_name_first_letters

    t.timestamps
  end

  add_index :geonames_alternate_names, :alternate_name_id
  add_index :geonames_alternate_names, :geonameid
  add_index :geonames_alternate_names, :isolanguage
  add_index :geonames_alternate_names, :alternate_name_first_letters
end