Method consumeInt

pkg/sql/sem/tree/interval.go:92–122

Consumes the next integer.

()

// Consumes the next integer.
func (l *intervalLexer) consumeInt() int64 {
	if l.err != nil {
		return 0
	}

	start := l.offset

	// Advance offset to prepare a valid argument to ParseInt().
	if l.offset < len(l.str) && (l.str[l.offset] == '-' || l.str[l.offset] == '+') {
		l.offset++
	}
	for ; l.offset < len(l.str) && l.str[l.offset] >= '0' && l.str[l.offset] <= '9'; l.offset++ {
	}
	// Check if we have something like ".X".
	if start == l.offset && len(l.str) > (l.offset+1) && l.str[l.offset] == '.' {
		return 0
	}

	x, err := strconv.ParseInt(l.str[start:l.offset], 10, 64)
	if err != nil {
		l.err = pgerror.Newf(
			pgcode.InvalidDatetimeFormat, "interval: %v", err)
		return 0
	}
	if start == l.offset {
		l.err = pgerror.Newf(
			pgcode.InvalidDatetimeFormat, "interval: missing number at position %d: %q", start, l.str)
		return 0
	}
	return x
}

// Consumes the next unit.
func (l *intervalLexer) consumeUnit(skipCharacter byte) string {