Change the table comment after created the table is not supported now?
Like mysql : ALTER TABLE [tableName] COMMNET [comment]; 
The sql "ALTER TABLE `system`.tables UPDATE Comment='test' WHERE NAME='t1';" also not supported!!!
My version is '21.9.4.35'。
}
            else
            {
                destination->read(
                        query_plan, columns_intersection, destination_metadata_snapshot, query_info,
                        local_context, processed_stage, max_block_size, num_streams);
                if (query_plan.isInitialized())
                {
                    auto actions = addMissingDefaults(
                            query_plan.getCurrentDataStream().header,
                            header_after_adding_defaults.getNamesAndTypesList(),
                            metadata_snapshot->getColumns(),
                            local_context);
                    auto adding_missed = std::make_unique<ExpressionStep>(
                            query_plan.getCurrentDataStream(),
                            std::move(actions));
                    adding_missed->setStepDescription("Add columns missing in destination table");
                    query_plan.addStep(std::move(adding_missed));
                    auto actions_dag = ActionsDAG::makeConvertingActions(
                            query_plan.getCurrentDataStream().header.getColumnsWithTypeAndName(),
                            header.getColumnsWithTypeAndName(),
                            ActionsDAG::MatchColumnsMode::Name);
                    auto converting = std::make_unique<ExpressionStep>(query_plan.getCurrentDataStream(), actions_dag);
                    converting->setStepDescription("Convert destination table columns to Buffer table structure");
                    query_plan.addStep(std::move(converting));
                }
            }
        }
        if (query_plan.isInitialized())
        {