assume_migrated_upto_version

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 446
      def assume_migrated_upto_version(version, migrations_paths = ActiveRecord::Migrator.migrations_paths)
        migrations_paths = Array.wrap(migrations_paths)
        version = version.to_i
        sm_table = quote_table_name(ActiveRecord::Migrator.schema_migrations_table_name)

        migrated = select_values("SELECT version FROM #{sm_table}").map { |v| v.to_i }
        paths = migrations_paths.map {|p| "#{p}/[0-9]*_*.rb" }
        versions = Dir[*paths].map do |filename|
          filename.split('/').last.split('_').first.to_i
        end

        unless migrated.include?(version)
          execute "INSERT INTO #{sm_table} (version) VALUES ('#{version}')"
        end

        inserted = Set.new
        (versions - migrated).each do |v|
          if inserted.include?(v)
            raise "Duplicate migration #{v}. Please renumber your migrations to resolve the conflict."
          elsif v < version
            execute "INSERT INTO #{sm_table} (version) VALUES ('#{v}')"
            inserted << v
          end
        end
      end