OptionalauthOptional authentication token.
OptionalclientOptional client DuckDB version.
OptionalclientOptional client platform string.
OptionalclientClient-assigned query/request id.
OptionalconnectionServer-assigned connection id for connection-scoped messages.
OptionalmaxMaximum supported Quack protocol version.
OptionalminMinimum supported Quack protocol version.
Concrete message type id.
Request sent by a client to open a Quack connection.