// Unique reports whether the column may be unique.
func (ct ColumnType) Unique() (unique bool, ok bool) {
	return ct.UniqueValue.Bool, ct.UniqueValue.Valid
}

// ScanType returns a Go type suitable for scanning into using Rows.Scan.
func (ct ColumnType) ScanType() reflect.Type {
	if ct.ScanTypeValue != nil {
		return ct.ScanTypeValue
	}
	return ct.SQLColumnType.ScanType()
}

// Comment returns the comment of current column.

func (t *Tokenizer) Line() int {
	return t.line
}

func (t *Tokenizer) Col() int {
	return t.s.Pos().Column
}

func (t *Tokenizer) Next() ScanToken {
	s := t.s
	for {
		t.tok = ScanToken(s.Scan())
		if t.tok != scanner.Comment {
			break
		}
		text := s.TokenText()
		t.line += strings.Count(text, "\n")
		if constraint.IsGoBuild(text) {
			t.tok = BuildComment
			break
		}
	}

	b, err := json.Marshal(c)
	return string(b[:]), err
}

func (c *Content) Scan(src interface{}) error {
	var value Content
	str, ok := src.(string)
	if !ok {
		byt, ok := src.([]byte)
		if !ok {
			return errors.New("Embedded.Scan byte assertion failed")
		}
		if err := json.Unmarshal(byt, &value); err != nil {
			return err
		}
	} else {

	defer f.Close()

	tab, err := f.PCLineTable()
	if err != nil {
		log.Fatalf("reading %s: %v", flag.Arg(0), err)
	}

	stdin := bufio.NewScanner(os.Stdin)
	stdout := bufio.NewWriter(os.Stdout)

	for stdin.Scan() {
		p := stdin.Text()
		if strings.Contains(p, ":") {
			// Reverse translate file:line to pc.
			// This was an extension in the old C version of 'go tool addr2line'

	scannerMetricHealAbandonedVersion

	// START Trace metrics:
	scannerMetricStartTrace
	scannerMetricScanObject // Scan object. All operations included.
	scannerMetricHealAbandonedObject

	// END realtime metrics:
	scannerMetricLastRealtime

	// Trace only metrics:
	scannerMetricScanFolder      // Scan a folder on disk, recursively.
	scannerMetricScanCycle       // Full cycle, cluster global

	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("%v: %v\n%s", cmd, err, string(out))
	}
	syms := make(map[string]string)
	scanner := bufio.NewScanner(bytes.NewReader(out))
	for scanner.Scan() {
		f := strings.Fields(scanner.Text())
		if len(f) < 3 {
			continue
		}
		syms[f[2]] = f[0]
	}
	if err := scanner.Err(); err != nil {
		t.Fatalf("error reading symbols: %v", err)
	}
	return syms
}

	// Line reports the source line number of the token.
	Line() int
	// Col reports the source column number of the token.
	Col() int
	// Close does any teardown required.
	Close()
}

// A Token is a scan token plus its string value.
// A macro is stored as a sequence of Tokens with spaces stripped.
type Token struct {
	ScanToken
	text string
}

		bf.Reset()
	}

	ret := make(map[time.Duration][]string)

	s := bufio.NewScanner(f)
	s.Split(bufio.ScanLines)

	var (
		t            time.Duration
		skip, record bool
	)

	for s.Scan() {
		line := s.Text()
		switch {
		case skip && line != "":
		case skip && line == "":
			skip = false
		case record && line == "":
			stackTrace := bf.String()
			reset()
			record = false

		for i := 0; i < b.N; i++ {
			benchmarkBufioScanner(largeInput)
		}
	})
}

func benchmarkBufioScanner(b []byte) {
	s := bufio.NewScanner(bytes.NewReader(b))
	s.Split(bufio.ScanBytes)
	for s.Scan() {
		s.Bytes()
	}
}

func BenchmarkBufioReader(b *testing.B) {
	b.Run("small", func(b *testing.B) {
		for i := 0; i < b.N; i++ {
			benchmarkBufioReader(smallInput)
		}
	})

	stmt = dryDB.Table(`table_employees`).Select(`id, name, iv.total, iv.paid, iv.balance`).Joins(`LEFT JOIN (?) AS iv ON iv.seller = table_employees.id`, iv).Scan(&user).Statement