remove_column

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 271
      def remove_column(table_name, *column_names)
        if column_names.flatten!
          message = 'Passing array to remove_columns is deprecated, please use ' +
                    'multiple arguments, like: `remove_columns(:posts, :foo, :bar)`'
          ActiveSupport::Deprecation.warn message, caller
        end

        columns_for_remove(table_name, *column_names).each do |column_name|
          execute "ALTER TABLE #{quote_table_name(table_name)} DROP #{column_name}"
        end
      end