    # File lib/active_record/connection_adapters/frontbase_adapter.rb, line 792
          def add_column(table_name, column_name, type, options = {})
            add_column_sql = "ALTER TABLE #{table_name} ADD #{column_name} #{type_to_sql(type, options[:limit])}"
            options[:type] = type
            add_column_options!(add_column_sql, options)
            execute(add_column_sql)
          end