Function valueString

query/encode.go:279–312

valueString returns the string representation of a value.

(v reflect.Value, opts tagOptions, sf reflect.StructField)

// valueString returns the string representation of a value.
func valueString(v reflect.Value, opts tagOptions, sf reflect.StructField) string {
	for v.Kind() == reflect.Ptr {
		if v.IsNil() {
			return ""
		}
		v = v.Elem()
	}

	if v.Kind() == reflect.Bool && opts.Contains("int") {
		if v.Bool() {
			return "1"
		}
		return "0"
	}

	if v.Type() == timeType {
		t := v.Interface().(time.Time)
		if opts.Contains("unix") {
			return strconv.FormatInt(t.Unix(), 10)
		}
		if opts.Contains("unixmilli") {
			return strconv.FormatInt((t.UnixNano() / 1e6), 10)
		}
		if opts.Contains("unixnano") {
			return strconv.FormatInt(t.UnixNano(), 10)
		}
		if layout := sf.Tag.Get("layout"); layout != "" {
			return t.Format(layout)
		}
		return t.Format(time.RFC3339)
	}

	return fmt.Sprint(v.Interface())
}

// isEmptyValue checks if a value should be considered empty for the purposes
// of omitting fields with the "omitempty" option.