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
```
: DatabaseWithOwnTablesBase(name_, "DatabaseMemory(" + name_ + ")", context_)
    , data_path("data/" + escapeForFileName(database_name) + "/")
{}
void DatabaseMemory::createTable(
    ContextPtr ,
    const String & table_name,
    const StoragePtr & table,
    const ASTPtr & query)
{
    std::unique_lock lock{mutex};
    attachTableUnlocked(table_name, table, lock);
    create_queries.emplace(table_name, query);
}
void DatabaseMemory::dropTable(