@Override
  public int hashCode() {
    return Objects.hash(key, super.hashCode());
  }
{@link TagFilter} and {@link AttributeFilter} share the same values filter for query logic on
their values. {@link TagFilter} and {@link AttributeFilter} just indicates that how to get the
id/attribute value from the device entry.
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/schema/filter/impl/singlechild/AttributeFilter.java