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'。
ClusterPtr cluster,
    const ASTPtr & query_ptr,
    const StorageMetadataPtr & metadata_snapshot,
    ContextPtr local_context) const
{
    const auto & select = query_ptr->as<ASTSelectQuery &>();
    if (!select.prewhere() && !select.where())
    {
        return nullptr;
    }
    ASTPtr condition_ast;
    if (select.prewhere() && select.where())
    {
        condition_ast = makeASTFunction("and", select.prewhere()->clone(), select.where()->clone());
    }
    else
    {
        condition_ast = select.prewhere() ? select.prewhere()->clone() : select.where()->clone();
    }
    replaceConstantExpressions(condition_ast, local_context, metadata_snapshot->getColumns().getAll(), shared_from_this(), metadata_snapshot);
    size_t limit = local_context->getSettingsRef().optimize_skip_unused_shards_limit;
    if (!limit || limit > SSIZE_MAX)
    {
        throw Exception(ErrorCodes::ARGUMENT_OUT_OF_BOUND, "optimize_skip_unused_shards_limit out of range (0, {}]", SSIZE_MAX);
    }
    
    ++limit;
    const auto blocks = evaluateExpressionOverConstantCondition(condition_ast, sharding_key_expr, limit);
    if (!limit)