jhorstmann commented on code in PR #10893:
URL: https://github.com/apache/arrow-rs/pull/10893#discussion_r3875889938
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arrow-array/src/array/primitive_array.rs:
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@@ -1196,15 +1196,31 @@ impl<T: ArrowPrimitiveType> PrimitiveArray<T> {
impl<T: ArrowPrimitiveType> From<PrimitiveArray<T>> for ArrayData {
fn from(array: PrimitiveArray<T>) -> Self {
- let builder = ArrayDataBuilder::new(array.data_type)
- .len(array.values.len())
- .nulls(array.nulls)
- .buffers(vec![array.values.into_inner()]);
-
- unsafe { builder.build_unchecked() }
+ let len = array.values.len();
+ primitive_to_array_data(array.data_type, len,
array.values.into_inner(), array.nulls)
Review Comment:
Nice improvement.
I think `primitive_to_array_data` needs to be `unsafe`, and the safety
comment moved to the call here, since the new function does no validation on
the parameters and calls `build_unchecked`.
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