orm.go
func OptFieldTypeTime(quantum TimeQuantum, opts ...bool) FieldOption {
	return func(options *FieldOptions) {
		options.fieldType = FieldTypeTime
		options.timeQuantum = quantum
		if len(opts) > 0 && opts[0] {
			options.noStandardView = true
		}
	}
}
func OptFieldTypeTime(quantum TimeQuantum, opts ...bool) FieldOption {
	return func(options *FieldOptions) {
		options.fieldType = FieldTypeTime
		options.timeQuantum = quantum
		if len(opts) > 0 && opts[0] {
			options.noStandardView = true
		}
	}
}
// OptFieldTypeTime adds a time field.