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
```
"Cannot ATTACH TABLE {}.{}, it is a Dictionary",
                backQuoteIfNeed(database_name), backQuoteIfNeed(create.getTable()));
        if (create.is_dictionary && !create_query.is_dictionary)
            throw Exception(ErrorCodes::INCORRECT_QUERY,
                "Cannot ATTACH DICTIONARY {}.{}, it is a Table",
                backQuoteIfNeed(database_name), backQuoteIfNeed(create.getTable()));
        create = create_query; 
        create.attach = true;
        create.attach_short_syntax = true;
        create.if_not_exists = if_not_exists;
    }
    
    if (create.attach_from_path)
    {
        fs::path user_files = fs::path(getContext()->getUserFilesPath()).lexically_normal();
        fs::path root_path = fs::path(getContext()->getPath()).lexically_normal();
        if (getContext()->getClientInfo().query_kind == ClientInfo::QueryKind::INITIAL_QUERY)
        {
            fs::path data_path = fs::path(*create.attach_from_path).lexically_normal();
            if (data_path.is_relative())
                data_path = (user_files / data_path).lexically_normal();
            if (!startsWith(data_path, user_files))
                throw Exception(ErrorCodes::PATH_ACCESS_DENIED,
                                "Data directory {} must be inside {} to attach it", String(data_path), String(user_files));
            
            create.attach_from_path = fs::relative(data_path, root_path) / "";
        }
        else
        {
            fs::path data_path = (root_path / *create.attach_from_path).lexically_normal();