askoa commented on code in PR #3622:
URL: https://github.com/apache/arrow-rs/pull/3622#discussion_r1096530297
##########
arrow-array/src/array/run_array.rs:
##########
@@ -143,6 +143,102 @@ impl<R: RunEndIndexType> RunArray<R> {
values,
})
}
+
+ /// Returns index to the physical array for the given index to the logical
array.
+ /// Performs a binary search on the run_ends array for the input index.
+ #[inline]
+ pub fn get_physical_index(&self, logical_index: usize) -> Option<usize> {
Review Comment:
This function is moved from `TypedRunArray` to `RunArray` as the function
has nothing to do with values.
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