add_column_sql

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 576
      def add_column_sql(table_name, column_name, type, options = {})
        add_column_sql = "ADD #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
        add_column_options!(add_column_sql, options)
        add_column_position!(add_column_sql, options)
        add_column_sql
      end