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
```
throw Exception("MaterializedPostgreSQL is an experimental database engine. "
                        "Enable allow_experimental_database_materialized_postgresql to use it.", ErrorCodes::UNKNOWN_DATABASE_ENGINE);
    }
    DatabasePtr database = DatabaseFactory::get(create, metadata_path / "", getContext());
    if (create.uuid != UUIDHelpers::Nil)
        create.setDatabase(TABLE_WITH_UUID_NAME_PLACEHOLDER);
    bool need_write_metadata = !create.attach || !fs::exists(metadata_file_path);
    if (need_write_metadata)
    {
        create.attach = true;
        create.if_not_exists = false;
        WriteBufferFromOwnString statement_buf;
        formatAST(create, statement_buf, false);
        writeChar('\n', statement_buf);
        String statement = statement_buf.str();
        
        WriteBufferFromFile out(metadata_file_tmp_path, statement.size(), O_WRONLY | O_CREAT | O_EXCL);
        writeString(statement, out);
        out.next();
        if (getContext()->getSettingsRef().fsync_metadata)
            out.sync();
        out.close();
    }
    
    auto db_guard = DatabaseCatalog::instance().getExclusiveDDLGuardForDatabase(database_name);
    bool added = false;
    bool renamed = false;
    try
    {