Contents
Frontend/Backend Protocol
A message-based protocol for communication between PostgreSQL frontends and backends
The Frontend/Backend Protocol is a message-based protocol for communication between PostgreSQL frontends and backends.
Change history
- PostgreSQL 14
- support for protocol version 2 removed (commit 3174d69f)
- PostgreSQL 10
- support for protocol version 1 removed (commit 2f1eaf87)
- PostgreSQL 7.4
- protocol version 3 introduced (preliminary commit fe19e56c)
- PostgreSQL 6.4
- protocol version 2 introduced (suspected preliminary commit edbd5139)
- PostgreSQL 6.3
- version numbers introduced (commit d5bbe2ac)
References
- PostgreSQL documentation: Frontend/Backend Protocol