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use crate::{
array::{Array, BinaryArray, BooleanArray, Offset, PrimitiveArray, Utf8Array},
error::Result,
types::NativeType,
};
pub(super) fn boolean_to_primitive_dyn<T>(array: &dyn Array) -> Result<Box<dyn Array>>
where
T: NativeType + num_traits::One,
{
let array = array.as_any().downcast_ref().unwrap();
Ok(Box::new(boolean_to_primitive::<T>(array)))
}
pub fn boolean_to_primitive<T>(from: &BooleanArray) -> PrimitiveArray<T>
where
T: NativeType + num_traits::One,
{
let values = from
.values()
.iter()
.map(|x| if x { T::one() } else { T::default() })
.collect::<Vec<_>>();
PrimitiveArray::<T>::new(T::PRIMITIVE.into(), values.into(), from.validity().cloned())
}
pub fn boolean_to_utf8<O: Offset>(from: &BooleanArray) -> Utf8Array<O> {
let iter = from.values().iter().map(|x| if x { "1" } else { "0" });
Utf8Array::from_trusted_len_values_iter(iter)
}
pub(super) fn boolean_to_utf8_dyn<O: Offset>(array: &dyn Array) -> Result<Box<dyn Array>> {
let array = array.as_any().downcast_ref().unwrap();
Ok(Box::new(boolean_to_utf8::<O>(array)))
}
pub fn boolean_to_binary<O: Offset>(from: &BooleanArray) -> BinaryArray<O> {
let iter = from.values().iter().map(|x| if x { b"1" } else { b"0" });
BinaryArray::from_trusted_len_values_iter(iter)
}
pub(super) fn boolean_to_binary_dyn<O: Offset>(array: &dyn Array) -> Result<Box<dyn Array>> {
let array = array.as_any().downcast_ref().unwrap();
Ok(Box::new(boolean_to_binary::<O>(array)))
}