json := jsoniter.ConfigCompatibleWithStandardLibrary
		if err := json.Unmarshal(b, &ctx); err != nil {
			return "", nil, err
		}
	}

	keyID := h.Get(xhttp.AmzServerSideEncryptionKmsID)
	spaces := strings.HasPrefix(keyID, " ") || strings.HasSuffix(keyID, " ")
	if spaces {
		return "", nil, ErrInvalidEncryptionKeyID
	}
	return strings.TrimPrefix(keyID, ARNPrefix), ctx, nil
}

		Int8 Smallint
	}

	tracer := Tracer{
		Logger: DB.Config.Logger,
		Test: func(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
			sql, _ := fc()
			if strings.HasPrefix(sql, "ALTER TABLE \"migrate_ints\" ALTER COLUMN \"int8\" TYPE smallint") {
				t.Fatalf("shouldn't execute ALTER COLUMN TYPE if such type is already existed in DB schema: sql: %s",
					sql)
			}
		},
	}

			var out Buffer
			if n < 0 {
				n = math.MaxInt
			}
			for i := 0; i < len(in); {
				if n == 0 {
					out.Write(in[i:])
					break
				}
				if HasPrefix(in[i:], old) {
					out.Write(new)
					i += len(old)
					n--
					if len(old) != 0 {
						continue
					}
					if i == len(in) {
						break
					}
				}

	for _, file := range files {
		objName := zipObjInfo.Name + archiveSeparator + file.Name
		if objName <= startAfter || objName <= token {
			continue
		}
		if strings.HasPrefix(objName, prefix) {
			if count == maxKeys {
				isTruncated = true
				break
			}
			if delimiter != "" {
				i := strings.Index(objName[len(prefix):], delimiter)
				if i >= 0 {

// ETags.
func parse(s string, strict bool) (ETag, error) {
	// An S3 ETag may be a double-quoted string.
	// Therefore, we remove double quotes at the
	// start and end, if any.
	if strings.HasPrefix(s, `"`) && strings.HasSuffix(s, `"`) {
		s = s[1 : len(s)-1]
	}

	// An S3 ETag may be a multipart ETag that
	// contains a '-' followed by a number.
	// If the ETag does not a '-' is either

	}).Where("name in ?", names).Find(ctx)
	if err == nil {
		t.Fatalf("Preload should failed, but got nil")
	}

	if DB.Dialector.Name() == "mysql" {
		// mysql 5.7 doesn't support row_number()
		if strings.HasPrefix(DB.Dialector.(*mysql.Dialector).ServerVersion, "5.7") {
			return
		}
	}
	results, err = db.Preload("Pets", func(db gorm.PreloadBuilder) error {
		db.LimitPerRecord(5)
		return nil

		var URLs []*url.URL
		var localFlags []bool
		for _, arg := range args {
			u, _ := url.Parse(arg)
			URLs = append(URLs, u)
			localFlags = append(localFlags, strings.HasPrefix(arg, prefix))
		}

		return URLs, localFlags
	}

	case1Endpoint1 := "http://" + nonLoopBackIP + "/d1"
	case1Endpoint2 := "http://" + nonLoopBackIP + "/d2"
	args := []string{

}

// Validate validates input key rotation encryption options.
func (e BatchJobKeyRotateEncryption) Validate() error {
	if e.Type != sses3 && e.Type != ssekms {
		return errInvalidArgument
	}
	spaces := strings.HasPrefix(e.Key, " ") || strings.HasSuffix(e.Key, " ")
	if e.Type == ssekms && spaces {
		return crypto.ErrInvalidEncryptionKeyID
	}

	if e.Type == ssekms && GlobalKMS != nil {
		ctx := kms.Context{}
		if e.Context != "" {

	if !o.IncludeDirectories && (entry.isDir() || (!o.Versioned && entry.isObjectDir() && entry.isLatestDeletemarker())) {
		return true
	}
	if o.Marker != "" && entry.name < o.Marker {
		return true
	}
	if !strings.HasPrefix(entry.name, o.Prefix) {
		return true
	}
	if o.Separator != "" && entry.isDir() && !strings.Contains(strings.TrimPrefix(entry.name, o.Prefix), o.Separator) {
		return true
	}

	if descendant == arg {
		return true
	}
	if len(arg) >= len(descendant) {
		return false
	}
	if !strings.HasSuffix(arg, SlashSeparator) {
		arg += SlashSeparator
	}
	return strings.HasPrefix(descendant, arg)
}

// MetricType - represents the type of a metric.
type MetricType int

const (
	// CounterMT - represents a counter metric.
	CounterMT MetricType = iota