private boolean hasChildInDeviceInfo(String name) {
    return deviceInfo != null && deviceInfo.hasAliasChild(name);
  }
check whether the MNode has a child with the name
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/pbtree/mnode/impl/CachedBasicInternalMNode.java