@Override
  public List<PartialPath> getPaths() {
    return Collections.singletonList(pathPattern);
  }
COUNT statement.

<p>Here is the syntax definition:

<p>COUNT {DATABASES | DEVICES | TIMESERIES | NODES} [prefixPath] [GROUP BY] LEVEL = level
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/statement/metadata/CountStatement.java