Method ToString

engine/table.go:74–118

ToString - Return string contain all values and Column names in Table

()

// ToString - Return string contain all values and Column names in Table
func (table *Table) ToString() string {
	columWidths := getColumWidths(table.Columns)
	bar := getBar(columWidths)
	result := bar + "\n"

	result += "|"
	for i := range table.Columns {
		result += " "
		for j := 0; j < columWidths[i]-len(table.Columns[i].Name); j++ {
			result += " "
		}
		result += table.Columns[i].Name
		result += " |"
	}
	result += "\n" + bar + "\n"

	if len(table.Columns) == 0 {
		return result
	}

	rowsCount := len(table.Columns[0].Values)

	for iRow := 0; iRow < rowsCount; iRow++ {
		result += "|"

		for iColumn := range table.Columns {
			result += " "

			printedValue := table.Columns[iColumn].Values[iRow].ToString()
			if table.Columns[iColumn].Type.Literal == token.TEXT &&
				table.Columns[iColumn].Values[iRow].GetType() != NullType {
				printedValue = "'" + printedValue + "'"
			}
			for i := 0; i < columWidths[iColumn]-len(printedValue); i++ {
				result += " "
			}

			result += printedValue + " |"
		}

		result += "\n"
	}

	return result + bar
}

func (table *Table) getTableCopyWithAddedPrefixToColumnNames(columnNamePrefix string) *Table {
	newTable := &Table{Columns: []*Column{}}