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'。
QueryPlan & query_plan,
    const Names & column_names,
    const StorageMetadataPtr & metadata_snapshot,
    SelectQueryInfo & query_info,
    ContextPtr local_context,
    QueryProcessingStage::Enum processed_stage,
    size_t max_block_size,
    unsigned num_streams)
{
    if (destination_id)
    {
        auto destination = DatabaseCatalog::instance().getTable(destination_id, local_context);
        if (destination.get() == this)
            throw Exception("Destination table is myself. Read will cause infinite loop.", ErrorCodes::INFINITE_LOOP);
        auto destination_lock = destination->lockForShare(local_context->getCurrentQueryId(), local_context->getSettingsRef().lock_acquire_timeout);
        auto destination_metadata_snapshot = destination->getInMemoryMetadataPtr();
        const bool dst_has_same_structure = std::all_of(column_names.begin(), column_names.end(), [metadata_snapshot, destination_metadata_snapshot](const String& column_name)
        {
            const auto & dest_columns = destination_metadata_snapshot->getColumns();
            const auto & our_columns = metadata_snapshot->getColumns();
            auto dest_columm = dest_columns.tryGetColumnOrSubcolumn(ColumnsDescription::AllPhysical, column_name);
            return dest_columm && dest_columm->type->equals(*our_columns.getColumnOrSubcolumn(ColumnsDescription::AllPhysical, column_name).type);
        });
        if (dst_has_same_structure)
        {
            if (query_info.order_optimizer)
                query_info.input_order_info = query_info.order_optimizer->getInputOrder(destination_metadata_snapshot, local_context);
            
            destination->read(