Enum FrontendMessage 

pub enum FrontendMessage {
    Startup {
        user: String,
        database: String,
    },
    PasswordMessage(String),
    Query(String),
    Parse {
        name: String,
        query: String,
        param_types: Vec<u32>,
    },
    Bind {
        portal: String,
        statement: String,
        params: Vec<Option<Vec<u8>>>,
    },
    Execute {
        portal: String,
        max_rows: i32,
    },
    Sync,
    Terminate,
    SASLInitialResponse {
        mechanism: String,
        data: Vec<u8>,
    },
    SASLResponse(Vec<u8>),
}

Frontend (client → server) message types

Variants

Startup

Startup message (sent first, no type byte)

Fields

user: String

database: String

PasswordMessage(String)

Query(String)

Parse

Parse (prepared statement)

Fields

name: String

query: String

param_types: Vec<u32>

Bind

Bind parameters to prepared statement

Fields

portal: String

statement: String

params: Vec<Option<Vec<u8>>>

Execute

Execute portal

Fields

portal: String

max_rows: i32

Sync

Terminate

SASLInitialResponse

SASL initial response (first message in SCRAM)

Fields

mechanism: String

data: Vec<u8>

SASLResponse(Vec<u8>)

SASL response (subsequent messages in SCRAM)

Implementations

impl FrontendMessage

pub fn encode(&self) -> Vec<u8>

Encode message to bytes for sending over the wire.

Trait Implementations

impl Clone for FrontendMessage

fn clone(&self) -> FrontendMessage

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FrontendMessage

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.