surrealpatch/lib/src/sql/version.rs
2022-02-22 14:16:50 +00:00

38 lines
961 B
Rust

use crate::sql::comment::shouldbespace;
use crate::sql::datetime::{datetime, Datetime};
use crate::sql::error::IResult;
use nom::bytes::complete::tag_no_case;
use serde::{Deserialize, Serialize};
use std::fmt;
#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
pub struct Version(pub Datetime);
impl fmt::Display for Version {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "VERSION {}", self.0)
}
}
pub fn version(i: &str) -> IResult<&str, Version> {
let (i, _) = tag_no_case("VERSION")(i)?;
let (i, _) = shouldbespace(i)?;
let (i, v) = datetime(i)?;
Ok((i, Version(v)))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn version_statement() {
let sql = "VERSION '2020-01-01'";
let res = version(sql);
assert!(res.is_ok());
let out = res.unwrap().1;
assert_eq!(out, Version(Datetime::from("2020-01-01")));
assert_eq!("VERSION \"2020-01-01T00:00:00Z\"", format!("{}", out));
}
}