@Override
            public MeasurementSchema getSchemaAsMeasurementSchema() {
              return new MeasurementSchema(
                  schema.getMeasurementName(),
                  schema.getType(),
                  schema.getEncodingType(),
                  schema.getCompressor());
            }
This function is used to process logical view schema list in statement. It will try to find the
source paths of those views in cache. If it found sources, measurement schemas of sources will
be recorded in measurement schema list; else the views will be recorded as missed. The indexes
of missed views and full paths of their source paths will be returned.

@param schemaComputation the statement you want to process
@return The indexes of missed views and full paths of their source paths will be returned.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/metadata/fetcher/cache/TreeDeviceSchemaCacheManager.java