```
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 :)`
else
            return;
    }
    QueryInterruptHandler::start();
    SCOPE_EXIT({ QueryInterruptHandler::stop(); });
    connection->sendQuery(
        connection_parameters.timeouts,
        query,
        query_parameters,
        global_context->getCurrentQueryId(),
        query_processing_stage,
        &global_context->getSettingsRef(),
        &global_context->getClientInfo(),
        true,
        [&](const Progress & progress) { onProgress(progress); });
    if (send_external_tables)
        sendExternalTables(parsed_query);
    /// Receive description of table structure.
    Block sample;
    ColumnsDescription columns_description;
    if (receiveSampleBlock(sample, columns_description, parsed_query))
    {
        /// If structure was received (thus, server has not thrown an exception),
        /// send our data with that structure.
        setInsertionTable(parsed_insert_query);
        sendData(sample, columns_description, parsed_query);
        receiveEndOfQuery();
    }
}
void ClientBase::sendData(Block & sample, const ColumnsDescription & columns_description, ASTPtr parsed_query)