require "migrate"
class AddChangesets < ActiveRecord::Migration
- @@conv_user_tables = %w(current_nodes current_relations current_ways nodes relations ways)
+ @conv_user_tables = %w(current_nodes current_relations current_ways nodes relations ways)
def self.up
create_table "changesets", :id => false do |t|
# all the changesets will have the id of the user that made them.
# We need to generate a changeset for each user in the database
execute "INSERT INTO changesets (id, user_id, created_at, open)" +
- "SELECT id, id, creation_time, false from users;"
+ "SELECT id, id, creation_time, false from users;"
- @@conv_user_tables.each do |tbl|
+ @conv_user_tables.each do |tbl|
rename_column tbl, :user_id, :changeset_id
# foreign keys too
add_foreign_key tbl, :changesets, :name => "#{tbl}_changeset_id_fkey"
def self.down
# It's not easy to generate the user ids from the changesets
- fail ActiveRecord::IrreversibleMigration
+ raise ActiveRecord::IrreversibleMigration
# drop_table "changesets"
# drop_table "changeset_tags"
end