```
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 :)`
extern const int BAD_ARGUMENTS;
    extern const int DEADLOCK_AVOIDED;
    extern const int CLIENT_OUTPUT_FORMAT_SPECIFIED;
    extern const int UNKNOWN_PACKET_FROM_SERVER;
    extern const int NO_DATA_TO_INSERT;
    extern const int UNEXPECTED_PACKET_FROM_SERVER;
    extern const int INVALID_USAGE_OF_INPUT;
    extern const int CANNOT_SET_SIGNAL_HANDLER;
    extern const int UNRECOGNIZED_ARGUMENTS;
    extern const int LOGICAL_ERROR;
}
}
namespace ProfileEvents
{
    extern const Event UserTimeMicroseconds;
    extern const Event SystemTimeMicroseconds;
}
namespace DB
{
static ClientInfo::QueryKind parseQueryKind(const String & query_kind)
{
    if (query_kind == "initial_query")
        return ClientInfo::QueryKind::INITIAL_QUERY;
    if (query_kind == "secondary_query")
        return ClientInfo::QueryKind::SECONDARY_QUERY;
    if (query_kind == "no_query")
        return ClientInfo::QueryKind::NO_QUERY;
    throw Exception(ErrorCodes::BAD_ARGUMENTS, "Unknown query kind {}", query_kind);
}
static void incrementProfileEventsBlock(Block & dst, const Block & src)