Module wire 

PostgreSQL Wire Protocol Messages

Implementation of the PostgreSQL Frontend/Backend Protocol. Reference: https://www.postgresql.org/docs/current/protocol-message-formats.html

Split into sub-modules:

• types — message enums, structs, and error types
• frontend — FrontendMessage encoder (client → server)
• backend — BackendMessage decoder (server → client)

Structs

ErrorFields

Error fields from ErrorResponse

FieldDescription

Field description in RowDescription

Enums

BackendMessage

Backend (server → client) message types

FrontendEncodeError

FrontendMessage

Frontend (client → server) message types

TransactionStatus

Transaction status

Constants

PROTOCOL_VERSION_3_0

PostgreSQL protocol 3.0 (legacy baseline).

PROTOCOL_VERSION_3_2

PostgreSQL protocol 3.2 (new default request).