code: func (tb *Table) String() string {
  	rv := fmt.Sprintf("type %s struct {\n", utils.CamelCase(tb.Name))
  	for _, v := range tb.Columns {
  		rv += v.String() + "\n"
  	}
  	rv += "}\n"
  	return rv
  }
docs: // String returns the source code string for the Table struct