```
cat /etc/clickhouse-client/conf.d/propmt.xml
<config>
    <prompt_by_server_display_name>
	    <default>{database}@{host} :) </default>
    </prompt_by_server_display_name>
</config>


cat /etc/clickhouse-server/conf.d/default_database.xml
<?xml version="1.0"?>
<yandex>
    <default_database>dw</default_database>
</yandex>

$ clickhouse-client
ClickHouse client version 21.6.5.37 (official build).
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 21.6.5 revision 54448.

default@localhost :) select currentDatabase();

SELECT currentDatabase()

Query id: efd2952e-a0d5-4250-be3c-5c3a929d3256

┌─currentDatabase()─┐
│ dw                │
└───────────────────┘
```

now: `default@localhost :)`
expected: `dw@localhost :)`
{
    if (!logs_out_stream)
    {
        WriteBuffer * wb = out_logs_buf.get();
        bool color_logs = false;
        if (!out_logs_buf)
        {
            if (server_logs_file.empty())
            {
                /// Use stderr by default
                :make_unique<WriteBufferFromFileDescriptor>(STDERR_FILENO);
                wb = out_logs_buf.get();
                color_logs = stderr_is_a_tty;
            }
            else if (server_logs_file == "-")
            {
                /// Use stdout if --server_logs_file=- specified
                wb = &std_out;
                color_logs = stdout_is_a_tty;
            }
            else
            {
                out_logs_buf
                    = std::make_unique<WriteBufferFromFile>(server_logs_file, DBMS_DEFAULT_BUFFER_SIZE, O_WRONLY | O_APPEND | O_CREAT);
                wb = out_logs_buf.get();