alterColumn = true
		}
	}

	// check default value
	if !field.PrimaryKey {
		currentDefaultNotNull := field.HasDefaultValue && (field.DefaultValueInterface != nil || !strings.EqualFold(field.DefaultValue, "NULL"))
		dv, dvNotNull := columnType.DefaultValue()
		if dvNotNull && !currentDefaultNotNull {
			// default value -> null
			alterColumn = true
		} else if !dvNotNull && currentDefaultNotNull {

	fmt.Println(bytes.Equal([]byte("Go"), []byte("Go")))
	fmt.Println(bytes.Equal([]byte("Go"), []byte("C++")))
	// Output:
	// true
	// false
}

func ExampleEqualFold() {
	fmt.Println(bytes.EqualFold([]byte("Go"), []byte("go")))
	// Output: true
}

func ExampleFields() {
	fmt.Printf("Fields are: %q", bytes.Fields([]byte("  foo bar  baz   ")))
	// Output: Fields are: ["foo" "bar" "baz"]
}

	tierFVMarkerKey := ReservedMetadataPrefixLower + tierFVMarker
	for k, v := range j.MetaSys {
		// Make sure we skip free-version-id, similar to AddVersion()
		if len(k) > len(ReservedMetadataPrefixLower) && strings.EqualFold(k[:len(ReservedMetadataPrefixLower)], ReservedMetadataPrefixLower) {
			// Skip tierFVID, tierFVMarker keys; it's used
			// only for creating free-version.
			switch k {
			case tierFVIDKey, tierFVMarkerKey:

		types = madmin.MetricType(t)
	} else {
		types = madmin.MetricsAll
	}

	disks := strings.Split(r.Form.Get("disks"), ",")
	byDisk := strings.EqualFold(r.Form.Get("by-disk"), "true")
	var diskMap map[string]struct{}
	if len(disks) > 0 && disks[0] != "" {
		diskMap = make(map[string]struct{}, len(disks))
		for _, k := range disks {
			if k != "" {

	}

	// In place update is true by default if the MINIO_UPDATE is not set
	// or is not set to 'off', if MINIO_UPDATE is set to 'off' then
	// in-place update is off.
	globalInplaceUpdateDisabled = strings.EqualFold(env.Get(config.EnvUpdate, config.EnableOn), config.EnableOff)

	// Check if the supported credential env vars,
	// "MINIO_ROOT_USER" and "MINIO_ROOT_PASSWORD" are provided
	// Warn user if deprecated environment variables,

		}
		if !oi.VersionPurgeStatus.Empty() {
			oi.VersionPurgeStatusInternal = fmt.Sprintf("%s=%s;", rcfg.Config.RoleArn, oi.VersionPurgeStatus)
		}
		for k, v := range userDefined {
			if strings.EqualFold(k, ReservedMetadataPrefixLower+ReplicationReset) {
				delete(userDefined, k)
				userDefined[targetResetHeader(rcfg.Config.RoleArn)] = v
			}
		}
	}

	var dsc ReplicateDecision

// for a k-rune slice.
func ReplaceAll(s, old, new []byte) []byte {
	return Replace(s, old, new, -1)
}

// EqualFold reports whether s and t, interpreted as UTF-8 strings,
// are equal under simple Unicode case-folding, which is a more general
// form of case-insensitivity.
func EqualFold(s, t []byte) bool {
	// ASCII fast path
	i := 0
	for n := min(len(s), len(t)); i < n; i++ {
		sr := s[i]
		tr := t[i]

func stringsHasPrefixFold(s, prefix string) bool {
	// Test match with case first.
	return len(s) >= len(prefix) && (s[0:len(prefix)] == prefix || strings.EqualFold(s[0:len(prefix)], prefix))
}

func ptr[T any](a T) *T {
	return &a
}

// sleepContext sleeps for d duration or until ctx is done.
func sleepContext(ctx context.Context, d time.Duration) error {

	}
	return strings.HasSuffix(s, suffix)
}

// Validates if two strings are equal.
func isStringEqual(s1 string, s2 string) bool {
	if runtime.GOOS == globalWindowsOSName {
		return strings.EqualFold(s1, s2)
	}
	return s1 == s2
}

// Ignores all reserved bucket names or invalid bucket names.
func isReservedOrInvalidBucket(bucketEntry string, strict bool) bool {
	if bucketEntry == "" {
		return true

	}
	rnd := rand.New(rand.NewSource(time.Now().UnixNano()))

	hasTags := len(r.Flags.Filter.Tags) != 0
	isMetadata := len(r.Flags.Filter.Metadata) != 0
	isStorageClassOnly := len(r.Flags.Filter.Metadata) == 1 && strings.EqualFold(r.Flags.Filter.Metadata[0].Key, xhttp.AmzStorageClass)

	skip := func(oi ObjectInfo) (ok bool) {
		if r.Flags.Filter.OlderThan > 0 && time.Since(oi.ModTime) < r.Flags.Filter.OlderThan.D() {