require "migrate"
-class AddChangesets < ActiveRecord::Migration
- @conv_user_tables = %w(current_nodes current_relations current_ways nodes relations ways)
+class AddChangesets < ActiveRecord::Migration[4.2]
+ @conv_user_tables = %w[current_nodes current_relations current_ways nodes relations ways]
def self.up
create_table "changesets", :id => false do |t|
# all edits up to the API change,
# 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;"
+ execute "INSERT INTO changesets (id, user_id, created_at, open)" \
+ "SELECT id, id, creation_time, false from users;"
@conv_user_tables.each do |tbl|
rename_column tbl, :user_id, :changeset_id
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