method

move

Importance_0
v7.0.0 - Show latest stable - 0 notes - Class: MigrationContext
move(direction, steps) private

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# File activerecord/lib/active_record/migration.rb, line 1217
      def move(direction, steps)
        migrator = Migrator.new(direction, migrations, schema_migration)

        if current_version != 0 && !migrator.current_migration
          raise UnknownMigrationVersionError.new(current_version)
        end

        start_index =
          if current_version == 0
            0
          else
            migrator.migrations.index(migrator.current_migration)
          end

        finish = migrator.migrations[start_index + steps]
        version = finish ? finish.version : 0
        public_send(direction, version)
      end
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