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use super::*;
use crate::prelude::*;
pub type DurationChunked = Logical<DurationType, Int64Type>;
impl Int64Chunked {
pub fn into_duration(self, timeunit: TimeUnit) -> DurationChunked {
let mut dt = DurationChunked::new_logical(self);
dt.2 = Some(DataType::Duration(timeunit));
dt
}
}
impl LogicalType for DurationChunked {
fn dtype(&self) -> &DataType {
self.2.as_ref().unwrap()
}
fn get_any_value(&self, i: usize) -> PolarsResult<AnyValue<'_>> {
self.0
.get_any_value(i)
.map(|av| av.into_duration(self.time_unit()))
}
unsafe fn get_any_value_unchecked(&self, i: usize) -> AnyValue<'_> {
self.0
.get_any_value_unchecked(i)
.into_duration(self.time_unit())
}
fn cast(&self, dtype: &DataType) -> PolarsResult<Series> {
use DataType::*;
match (self.dtype(), dtype) {
(Duration(TimeUnit::Milliseconds), Duration(TimeUnit::Nanoseconds)) => {
Ok((self.0.as_ref() * 1_000_000i64)
.into_duration(TimeUnit::Nanoseconds)
.into_series())
}
(Duration(TimeUnit::Milliseconds), Duration(TimeUnit::Microseconds)) => {
Ok((self.0.as_ref() * 1_000i64)
.into_duration(TimeUnit::Microseconds)
.into_series())
}
(Duration(TimeUnit::Microseconds), Duration(TimeUnit::Milliseconds)) => {
Ok((self.0.as_ref() / 1_000i64)
.into_duration(TimeUnit::Milliseconds)
.into_series())
}
(Duration(TimeUnit::Microseconds), Duration(TimeUnit::Nanoseconds)) => {
Ok((self.0.as_ref() * 1_000i64)
.into_duration(TimeUnit::Nanoseconds)
.into_series())
}
(Duration(TimeUnit::Nanoseconds), Duration(TimeUnit::Milliseconds)) => {
Ok((self.0.as_ref() / 1_000_000i64)
.into_duration(TimeUnit::Milliseconds)
.into_series())
}
(Duration(TimeUnit::Nanoseconds), Duration(TimeUnit::Microseconds)) => {
Ok((self.0.as_ref() / 1_000i64)
.into_duration(TimeUnit::Microseconds)
.into_series())
}
_ => self.0.cast(dtype),
}
}
}