class SetDefaultRepositories < ActiveRecord::Migration[4.2] def self.up Repository.update_all(["is_default = ?", false]) # Sets the last repository as default in case multiple repositories exist for the same project Repository.connection.select_values("SELECT r.id FROM #{Repository.table_name} r" + " WHERE r.id = (SELECT max(r1.id) FROM #{Repository.table_name} r1 WHERE r1.project_id = r.project_id)").each do |i| Repository.where(["id = ?", i]).update_all(["is_default = ?", true]) end end def self.down Repository.update_all(["is_default = ?", false]) end end