@Override
  public void alterLogicalView(IAlterLogicalViewPlan alterLogicalViewPlan)
      throws MetadataException {
    mtree.alterLogicalView(
        alterLogicalViewPlan.getViewPath(), alterLogicalViewPlan.getSourceExpression());
    // Write log
    if (!isRecovering) {
      try {
        writeToMLog(alterLogicalViewPlan);
      } catch (IOException e) {
        throw new MetadataException(e);
      }
    }
  }
Create aligned timeseries

@param plan CreateAlignedTimeSeriesPlan
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionPBTreeImpl.java