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
```
if (!create.columns_list)
        create.set(create.columns_list, std::make_shared<ASTColumns>());
    ASTPtr new_columns = formatColumns(properties.columns);
    ASTPtr new_indices = formatIndices(properties.indices);
    ASTPtr new_constraints = formatConstraints(properties.constraints);
    ASTPtr new_projections = formatProjections(properties.projections);
    create.columns_list->setOrReplace(create.columns_list->columns, new_columns);
    create.columns_list->setOrReplace(create.columns_list->indices, new_indices);
    create.columns_list->setOrReplace(create.columns_list->constraints, new_constraints);
    create.columns_list->setOrReplace(create.columns_list->projections, new_projections);
    validateTableStructure(create, properties);
    
    setEngine(create);
    assert(as_database_saved.empty() && as_table_saved.empty());
    std::swap(create.as_database, as_database_saved);
    std::swap(create.as_table, as_table_saved);
    return properties;
}
void InterpreterCreateQuery::validateTableStructure(const ASTCreateQuery & create,
                                                    const InterpreterCreateQuery::TableProperties & properties) const
{
    
    std::set<String> all_columns;
    for (const auto & column : properties.columns)
    {
        if (!all_columns.emplace(column.name).second)
            throw Exception("Column " + backQuoteIfNeed(column.name) + " already exists", ErrorCodes::DUPLICATE_COLUMN);
    }
    const auto & settings = getContext()->getSettingsRef();