2019-09-03 07:17:17 -07:00

34 lines
650 B
Rust

use super::Encode;
use crate::io::BufMut;
use byteorder::NetworkEndian;
pub struct Query<'a>(pub &'a str);
impl Encode for Query<'_> {
fn encode(&self, buf: &mut Vec<u8>) {
buf.push(b'Q');
// len + query + nul
buf.put_i32::<NetworkEndian>((4 + self.0.len() + 1) as i32);
buf.put_str_nul(self.0);
}
}
#[cfg(test)]
mod tests {
use super::{Encode, Query};
const QUERY_SELECT_1: &[u8] = b"Q\0\0\0\rSELECT 1\0";
#[test]
fn it_encodes_query() {
let mut buf = Vec::new();
let m = Query("SELECT 1");
m.encode(&mut buf);
assert_eq!(buf, QUERY_SELECT_1);
}
}