    # File lib/active_record/connection_adapters/abstract/schema_statements.rb, line 333
          def assume_migrated_upto_version(version)
            sm_table = quote_table_name(ActiveRecord::Migrator.schema_migrations_table_name)
            migrated = select_values("SELECT version FROM #{sm_table}").map(&:to_i)
            versions = Dir['db/migrate/[0-9]*_*.rb'].map do |filename|
              filename.split('/').last.split('_').first.to_i
            end

            execute "INSERT INTO #{sm_table} (version) VALUES ('#{version}')" unless migrated.include?(version.to_i)
            (versions - migrated).select { |v| v < version.to_i }.each do |v|
              execute "INSERT INTO #{sm_table} (version) VALUES ('#{v}')"
            end
          end