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'。
const StorageID & id_,
    const ColumnsDescription & columns_,
    const ConstraintsDescription & constraints_,
    ASTPtr remote_table_function_ptr_,
    const String & cluster_name_,
    ContextPtr context_,
    const ASTPtr & sharding_key_,
    const String & storage_policy_name_,
    const String & relative_data_path_,
    const DistributedSettings & distributed_settings_,
    bool attach,
    ClusterPtr owned_cluster_)
    : StorageDistributed(
        id_,
        columns_,
        constraints_,
        String{},
        String{},
        String{},