21.11.3.6
```
cat /etc/clickhouse-server/node.tsv
1,test

cat /etc/clickhouse-server/node_dictionary.xml
<dictionaries>
    <dictionary>
        <name>node</name>
        <source>
            <file>
                <path>/etc/clickhouse-server/node.tsv</path>
                <format>CSV</format>
            </file>
        </source>
        <lifetime>0</lifetime>
        <layout><flat /></layout>
        <structure>
            <id><name>key</name></id>
            <attribute>
                <name>name</name>
                <type>String</type>
                <null_value></null_value>
            </attribute>
        </structure>
    </dictionary>
</dictionaries>

create table default.node ( key UInt64, name String ) Engine=Dictionary(node);

select * from default.node;
┌─key─┬─name─┐
│   1 │ test │
└─────┴──────┘

/etc/init.d/clickhouse-server restart

<Error> Application: DB::Exception: Cannot attach 1 tables due to cyclic dependencies. See server log for details.
<Information> Application: shutting down
```
{
    
    
    
    
    
    
    size_t level = 0;
    do
    {
        assert(metadata.parsed_tables.size() == tables_processed + metadata.independent_database_objects.size() + getNumberOfTablesWithDependencies());
        logDependencyGraph();
        startLoadingIndependentTables(pool, level);
        TableNames new_independent_database_objects;
        for (const auto & table_name : metadata.independent_database_objects)
        {
            auto info_it = metadata.dependencies_info.find(table_name);
            if (info_it == metadata.dependencies_info.end())
            {
                
                continue;
            }
            removeResolvedDependency(info_it, new_independent_database_objects);
        }
        pool.wait();
        metadata.independent_database_objects = std::move(new_independent_database_objects);
        ++level;
    } while (!metadata.independent_database_objects.empty());
    checkCyclicDependencies();