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use std::fmt::{Debug, Formatter, Result, Write};
use crate::array::Array;
use crate::datatypes::{IntervalUnit, TimeUnit};
use crate::types::{days_ms, i256, months_days_ns};
use super::PrimitiveArray;
use crate::array::fmt::write_vec;
use crate::temporal_conversions;
use crate::types::NativeType;
macro_rules! dyn_primitive {
($array:expr, $ty:ty, $expr:expr) => {{
let array = ($array as &dyn Array)
.as_any()
.downcast_ref::<PrimitiveArray<$ty>>()
.unwrap();
Box::new(move |f, index| write!(f, "{}", $expr(array.value(index))))
}};
}
pub fn get_write_value<'a, T: NativeType, F: Write>(
array: &'a PrimitiveArray<T>,
) -> Box<dyn Fn(&mut F, usize) -> Result + 'a> {
use crate::datatypes::DataType::*;
match array.data_type().to_logical_type() {
Int8 => Box::new(|f, index| write!(f, "{}", array.value(index))),
Int16 => Box::new(|f, index| write!(f, "{}", array.value(index))),
Int32 => Box::new(|f, index| write!(f, "{}", array.value(index))),
Int64 => Box::new(|f, index| write!(f, "{}", array.value(index))),
UInt8 => Box::new(|f, index| write!(f, "{}", array.value(index))),
UInt16 => Box::new(|f, index| write!(f, "{}", array.value(index))),
UInt32 => Box::new(|f, index| write!(f, "{}", array.value(index))),
UInt64 => Box::new(|f, index| write!(f, "{}", array.value(index))),
Float16 => unreachable!(),
Float32 => Box::new(|f, index| write!(f, "{}", array.value(index))),
Float64 => Box::new(|f, index| write!(f, "{}", array.value(index))),
Date32 => {
dyn_primitive!(array, i32, temporal_conversions::date32_to_date)
}
Date64 => {
dyn_primitive!(array, i64, temporal_conversions::date64_to_date)
}
Time32(TimeUnit::Second) => {
dyn_primitive!(array, i32, temporal_conversions::time32s_to_time)
}
Time32(TimeUnit::Millisecond) => {
dyn_primitive!(array, i32, temporal_conversions::time32ms_to_time)
}
Time32(_) => unreachable!(), Time64(TimeUnit::Microsecond) => {
dyn_primitive!(array, i64, temporal_conversions::time64us_to_time)
}
Time64(TimeUnit::Nanosecond) => {
dyn_primitive!(array, i64, temporal_conversions::time64ns_to_time)
}
Time64(_) => unreachable!(), Timestamp(time_unit, tz) => {
if let Some(tz) = tz {
let timezone = temporal_conversions::parse_offset(tz);
match timezone {
Ok(timezone) => {
dyn_primitive!(array, i64, |time| {
temporal_conversions::timestamp_to_datetime(time, *time_unit, &timezone)
})
}
#[cfg(feature = "chrono-tz")]
Err(_) => {
let timezone = temporal_conversions::parse_offset_tz(tz);
match timezone {
Ok(timezone) => dyn_primitive!(array, i64, |time| {
temporal_conversions::timestamp_to_datetime(
time, *time_unit, &timezone,
)
}),
Err(_) => {
let tz = tz.clone();
Box::new(move |f, index| {
write!(f, "{} ({})", array.value(index), tz)
})
}
}
}
#[cfg(not(feature = "chrono-tz"))]
_ => {
let tz = tz.clone();
Box::new(move |f, index| write!(f, "{} ({})", array.value(index), tz))
}
}
} else {
dyn_primitive!(array, i64, |time| {
temporal_conversions::timestamp_to_naive_datetime(time, *time_unit)
})
}
}
Interval(IntervalUnit::YearMonth) => {
dyn_primitive!(array, i32, |x| format!("{}m", x))
}
Interval(IntervalUnit::DayTime) => {
dyn_primitive!(array, days_ms, |x: days_ms| format!(
"{}d{}ms",
x.days(),
x.milliseconds()
))
}
Interval(IntervalUnit::MonthDayNano) => {
dyn_primitive!(array, months_days_ns, |x: months_days_ns| format!(
"{}m{}d{}ns",
x.months(),
x.days(),
x.ns()
))
}
Duration(TimeUnit::Second) => dyn_primitive!(array, i64, |x| format!("{}s", x)),
Duration(TimeUnit::Millisecond) => dyn_primitive!(array, i64, |x| format!("{}ms", x)),
Duration(TimeUnit::Microsecond) => dyn_primitive!(array, i64, |x| format!("{}us", x)),
Duration(TimeUnit::Nanosecond) => dyn_primitive!(array, i64, |x| format!("{}ns", x)),
Decimal(_, scale) => {
let scale = *scale as u32;
let factor = 10i128.pow(scale);
let display = move |x: i128| {
let base = x / factor;
let decimals = (x - base * factor).abs();
format!("{}.{}", base, decimals)
};
dyn_primitive!(array, i128, display)
}
Decimal256(_, scale) => {
let scale = *scale as u32;
let factor = (ethnum::I256::ONE * 10).pow(scale);
let display = move |x: i256| {
let base = x.0 / factor;
let decimals = (x.0 - base * factor).abs();
format!("{}.{}", base, decimals)
};
dyn_primitive!(array, i256, display)
}
_ => unreachable!(),
}
}
impl<T: NativeType> Debug for PrimitiveArray<T> {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
let writer = get_write_value(self);
write!(f, "{:?}", self.data_type())?;
write_vec(f, &*writer, self.validity(), self.len(), "None", false)
}
}
