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