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