```
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 :)`
}
    }
}
bool ClientBase::processQueryText(const String & text)
{
    auto trimmed_input = trim(text, [](char c) { return isWhitespaceASCII(c) || c == ';'; });
    if (exit_strings.end() != exit_strings.find(trimmed_input))
        return false;
    if (trimmed_input.starts_with("\\i"))
    {
        size_t skip_prefix_size = std::strlen("\\i");
        auto file_name = trim(
            trimmed_input.substr(skip_prefix_size, trimmed_input.size() - skip_prefix_size),
            [](char c) { return isWhitespaceASCII(c); });
        return processMultiQueryFromFile(file_name);
    }
    if (!is_multiquery)
    {
        assert(!query_fuzzer_runs);
        processTextAsSingleQuery(text);
        return true;
    }
    if (query_fuzzer_runs)
    {
        processWithFuzzing(text);
        return true;
    }
    return executeMultiQuery(text);
}
String ClientBase::prompt() const