}
						return !zero && !utils.AssertEqual(changedValue, fieldValue)
					}
				}
			}
		}
		return false
	}

	if len(fields) == 0 {
		for _, field := range stmt.Schema.FieldsByDBName {
			if changed(field) {
				return true
			}
		}
	} else {
		for _, name := range fields {
			if field := stmt.Schema.LookUpField(name); field != nil {
				if changed(field) {
					return true