sqlx_postgres/types/chrono/
time.rsuse crate::decode::Decode;
use crate::encode::{Encode, IsNull};
use crate::error::BoxDynError;
use crate::types::Type;
use crate::{PgArgumentBuffer, PgHasArrayType, PgTypeInfo, PgValueFormat, PgValueRef, Postgres};
use chrono::{Duration, NaiveTime};
use std::mem;
impl Type<Postgres> for NaiveTime {
fn type_info() -> PgTypeInfo {
PgTypeInfo::TIME
}
}
impl PgHasArrayType for NaiveTime {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::TIME_ARRAY
}
}
impl Encode<'_, Postgres> for NaiveTime {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> Result<IsNull, BoxDynError> {
let micros = (*self - NaiveTime::default())
.num_microseconds()
.ok_or_else(|| format!("Time out of range for PostgreSQL: {self}"))?;
Encode::<Postgres>::encode(micros, buf)
}
fn size_hint(&self) -> usize {
mem::size_of::<u64>()
}
}
impl<'r> Decode<'r, Postgres> for NaiveTime {
fn decode(value: PgValueRef<'r>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => {
let us: i64 = Decode::<Postgres>::decode(value)?;
NaiveTime::default() + Duration::microseconds(us)
}
PgValueFormat::Text => NaiveTime::parse_from_str(value.as_str()?, "%H:%M:%S%.f")?,
})
}
}
#[test]
fn check_naive_time_default_is_midnight() {
assert_eq!(
NaiveTime::from_hms_opt(0, 0, 0),
Some(NaiveTime::default()),
"implementation assumes `NaiveTime::default()` equals midnight"
);
}