surrealpatch/lib/src/sql/timeout.rs
2023-08-29 11:50:00 +01:00

48 lines
1.1 KiB
Rust

use crate::sql::comment::shouldbespace;
use crate::sql::duration::{duration, Duration};
use crate::sql::error::IResult;
use nom::bytes::complete::tag_no_case;
use nom::combinator::cut;
use revision::revisioned;
use serde::{Deserialize, Serialize};
use std::fmt;
use std::ops::Deref;
#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Hash)]
#[revisioned(revision = 1)]
pub struct Timeout(pub Duration);
impl Deref for Timeout {
type Target = Duration;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl fmt::Display for Timeout {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "TIMEOUT {}", self.0)
}
}
pub fn timeout(i: &str) -> IResult<&str, Timeout> {
let (i, _) = tag_no_case("TIMEOUT")(i)?;
let (i, _) = shouldbespace(i)?;
let (i, v) = cut(duration)(i)?;
Ok((i, Timeout(v)))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn timeout_statement() {
let sql = "TIMEOUT 5s";
let res = timeout(sql);
let out = res.unwrap().1;
assert_eq!("TIMEOUT 5s", format!("{}", out));
assert_eq!(out, Timeout(Duration::try_from("5s").unwrap()));
}
}