method

migrate_without_lock

rails latest stable - Class: ActiveRecord::Migrator

migrate_without_lock()

private

Used for running multiple migrations up to or down to a certain value.

# File activerecord/lib/active_record/migration.rb, line 1497
      def migrate_without_lock
        if invalid_target?
          raise UnknownMigrationVersionError.new(@target_version)
        end

        record_environment
        runnable.each(&method(:execute_migration_in_transaction))
      end

migrate_without_lock

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