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use crate::types::{FromSql, FromSqlError, FromSqlResult, ToSql, ToSqlOutput, ValueRef};
use crate::{Error, Result};
use time::format_description::well_known::Rfc3339;
use time::format_description::FormatItem;
use time::macros::format_description;
use time::{OffsetDateTime, PrimitiveDateTime, UtcOffset};
const PRIMITIVE_SHORT_DATE_TIME_FORMAT: &[FormatItem<'_>] =
format_description!("[year]-[month]-[day] [hour]:[minute]:[second]");
const PRIMITIVE_DATE_TIME_FORMAT: &[FormatItem<'_>] =
format_description!("[year]-[month]-[day] [hour]:[minute]:[second].[subsecond]");
const PRIMITIVE_DATE_TIME_Z_FORMAT: &[FormatItem<'_>] =
format_description!("[year]-[month]-[day] [hour]:[minute]:[second].[subsecond]Z");
const OFFSET_SHORT_DATE_TIME_FORMAT: &[FormatItem<'_>] = format_description!(
"[year]-[month]-[day] [hour]:[minute]:[second][offset_hour sign:mandatory]:[offset_minute]"
);
const OFFSET_DATE_TIME_FORMAT: &[FormatItem<'_>] = format_description!(
"[year]-[month]-[day] [hour]:[minute]:[second].[subsecond][offset_hour sign:mandatory]:[offset_minute]"
);
const LEGACY_DATE_TIME_FORMAT: &[FormatItem<'_>] = format_description!(
"[year]-[month]-[day] [hour]:[minute]:[second]:[subsecond] [offset_hour sign:mandatory]:[offset_minute]"
);
impl ToSql for OffsetDateTime {
#[inline]
fn to_sql(&self) -> Result<ToSqlOutput<'_>> {
let time_string = self
.to_offset(UtcOffset::UTC)
.format(&PRIMITIVE_DATE_TIME_Z_FORMAT)
.map_err(|err| Error::ToSqlConversionFailure(err.into()))?;
Ok(ToSqlOutput::from(time_string))
}
}
impl FromSql for OffsetDateTime {
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
value.as_str().and_then(|s| {
if s.len() > 10 && s.as_bytes()[10] == b'T' {
return OffsetDateTime::parse(s, &Rfc3339)
.map_err(|err| FromSqlError::Other(Box::new(err)));
}
let s = s.strip_suffix('Z').unwrap_or(s);
match s.len() {
len if len <= 19 => {
PrimitiveDateTime::parse(s, &PRIMITIVE_SHORT_DATE_TIME_FORMAT)
.map(|d| d.assume_utc())
}
_ if s.as_bytes()[19] == b':' => {
OffsetDateTime::parse(s, &LEGACY_DATE_TIME_FORMAT)
}
_ if s.as_bytes()[19] == b'.' => OffsetDateTime::parse(s, &OFFSET_DATE_TIME_FORMAT)
.or_else(|err| {
PrimitiveDateTime::parse(s, &PRIMITIVE_DATE_TIME_FORMAT)
.map(|d| d.assume_utc())
.map_err(|_| err)
}),
_ => OffsetDateTime::parse(s, &OFFSET_SHORT_DATE_TIME_FORMAT),
}
.map_err(|err| FromSqlError::Other(Box::new(err)))
})
}
}
#[cfg(test)]
mod test {
use crate::{Connection, Result};
use time::format_description::well_known::Rfc3339;
use time::OffsetDateTime;
#[test]
fn test_offset_date_time() -> Result<()> {
let db = Connection::open_in_memory()?;
db.execute_batch("CREATE TABLE foo (t TEXT, i INTEGER, f FLOAT)")?;
let mut ts_vec = vec![];
let make_datetime = |secs: i128, nanos: i128| {
OffsetDateTime::from_unix_timestamp_nanos(1_000_000_000 * secs + nanos).unwrap()
};
ts_vec.push(make_datetime(10_000, 0));
ts_vec.push(make_datetime(10_000, 1000));
ts_vec.push(make_datetime(1_500_391_124, 1_000_000));
ts_vec.push(make_datetime(2_000_000_000, 2_000_000));
ts_vec.push(make_datetime(3_000_000_000, 999_999_999));
ts_vec.push(make_datetime(10_000_000_000, 0));
for ts in ts_vec {
db.execute("INSERT INTO foo(t) VALUES (?)", [ts])?;
let from: OffsetDateTime = db.query_row("SELECT t FROM foo", [], |r| r.get(0))?;
db.execute("DELETE FROM foo", [])?;
assert_eq!(from, ts);
}
Ok(())
}
#[test]
fn test_string_values() -> Result<()> {
let db = Connection::open_in_memory()?;
for (s, t) in vec![
(
"2013-10-07 08:23:19",
Ok(OffsetDateTime::parse("2013-10-07T08:23:19Z", &Rfc3339).unwrap()),
),
(
"2013-10-07 08:23:19Z",
Ok(OffsetDateTime::parse("2013-10-07T08:23:19Z", &Rfc3339).unwrap()),
),
(
"2013-10-07T08:23:19Z",
Ok(OffsetDateTime::parse("2013-10-07T08:23:19Z", &Rfc3339).unwrap()),
),
(
"2013-10-07 08:23:19.120",
Ok(OffsetDateTime::parse("2013-10-07T08:23:19.120Z", &Rfc3339).unwrap()),
),
(
"2013-10-07 08:23:19.120Z",
Ok(OffsetDateTime::parse("2013-10-07T08:23:19.120Z", &Rfc3339).unwrap()),
),
(
"2013-10-07T08:23:19.120Z",
Ok(OffsetDateTime::parse("2013-10-07T08:23:19.120Z", &Rfc3339).unwrap()),
),
(
"2013-10-07 04:23:19-04:00",
Ok(OffsetDateTime::parse("2013-10-07T04:23:19-04:00", &Rfc3339).unwrap()),
),
(
"2013-10-07 04:23:19.120-04:00",
Ok(OffsetDateTime::parse("2013-10-07T04:23:19.120-04:00", &Rfc3339).unwrap()),
),
(
"2013-10-07T04:23:19.120-04:00",
Ok(OffsetDateTime::parse("2013-10-07T04:23:19.120-04:00", &Rfc3339).unwrap()),
),
] {
let result: Result<OffsetDateTime> = db.query_row("SELECT ?", [s], |r| r.get(0));
assert_eq!(result, t);
}
Ok(())
}
#[test]
fn test_sqlite_functions() -> Result<()> {
let db = Connection::open_in_memory()?;
let result: Result<OffsetDateTime> =
db.query_row("SELECT CURRENT_TIMESTAMP", [], |r| r.get(0));
assert!(result.is_ok());
Ok(())
}
#[test]
fn test_param() -> Result<()> {
let db = Connection::open_in_memory()?;
let result: Result<bool> = db.query_row("SELECT 1 WHERE ? BETWEEN datetime('now', '-1 minute') AND datetime('now', '+1 minute')", [OffsetDateTime::now_utc()], |r| r.get(0));
assert!(result.is_ok());
Ok(())
}
}
