@Override
  public String toString() {
    return "SchemaPartition{" + "schemaPartitionMap=" + schemaPartitionMap + '}';
  }
For table model usage.

<p>The database shall start with "root.". Concat this to a user-provided db name if necessary.

<p>The device id shall be [table, seg1, ....]
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/partition/SchemaPartition.java