use super::super::{comment::shouldbespace, IResult};
use crate::statements::CancelStatement;
use nom::{bytes::complete::tag_no_case, combinator::opt, sequence::tuple};
pub fn cancel(i: &str) -> IResult<&str, CancelStatement> {
let (i, _) = tag_no_case("CANCEL")(i)?;
let (i, _) = opt(tuple((shouldbespace, tag_no_case("TRANSACTION"))))(i)?;
Ok((i, CancelStatement))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn cancel_basic() {
let sql = "CANCEL";
let res = cancel(sql);
let out = res.unwrap().1;
assert_eq!("CANCEL TRANSACTION", format!("{}", out))
}
#[test]
fn cancel_query() {
let sql = "CANCEL TRANSACTION";
let res = cancel(sql);
let out = res.unwrap().1;
assert_eq!("CANCEL TRANSACTION", format!("{}", out))
}
}