germanubis/sqlx: 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.

sqlx-postgres/src/message/flush.rs

17 строк533 B

Austin Bonander

Break drivers out into separate crates, clean up some technical debt (#2039)

22 фев 2023, 00:25

22 фев 2023, 00:25b5312c3

use crate::io::Encode;

// The Flush message does not cause any specific output to be generated,
// but forces the backend to deliver any data pending in its output buffers.

// A Flush must be sent after any extended-query command except Sync, if the
// frontend wishes to examine the results of that command before issuing more commands.

#[derive(Debug)]
pub struct Flush;

impl Encode<'_> for Flush {
    fn encode_with(&self, buf: &mut Vec<u8>, _: ()) {
        buf.push(b'H');
        buf.extend(&4_i32.to_be_bytes());
    }
}