Module startup 

Startup messages

Structs

BackendKeyData

BackendKeyData message, sent from backend to frontend for issuing CancelRequestMessage

GssEncRequest

GssEncRequest sent from frontend to negotiate with backend to check if the backend supports GSSAPI secure connection. The packet has no message type and contains only a length(4) and an i32 value.

NegotiateProtocolVersion

Negotiate protocol version message sent from backend

ParameterStatus

parameter ack sent from backend after authentication success

Password

password packet sent from frontend

SASLInitialResponse

SASL initial response sent from frontend during authentication

SASLResponse

SASL response sent from frontend during authentication

SslRequest

Sslrequest sent from frontend to negotiate with backend to check if the backend supports secure connection. The packet has no message type and contains only a length(4) and an i32 value.

Startup

Postgresql wire protocol startup message.

Enums

Authentication

authentication response family, sent by backend

PasswordMessageFamily

In postgres wire protocol, there are several message types share the same message type ‘p’:

SecretKey

The secret key for canceling query

Constants

MESSAGE_TYPE_BYTE_AUTHENTICATION

Message type byte for Authentication

MESSAGE_TYPE_BYTE_BACKEND_KEY_DATA

Message type byte for BackendKeyData

MESSAGE_TYPE_BYTE_NEGOTIATE_PROTOCOL_VERSION

Message type byte for NegotiateProtocolVersion

MESSAGE_TYPE_BYTE_PARAMETER_STATUS

Message type byte for ParameterStatus

MESSAGE_TYPE_BYTE_PASSWORD_MESSAGE_FAMILY

Message type byte for password message family