asubiotto commented on code in PR #9621:
URL: https://github.com/apache/arrow-rs/pull/9621#discussion_r3001007374
##########
arrow-ord/src/cmp.rs:
##########
@@ -701,10 +828,37 @@ pub fn compare_byte_view<T: ByteViewType>(
unsafe { GenericByteViewArray::compare_unchecked(left, left_idx, right,
right_idx) }
}
+/// Run-end encoding metadata for one side of a comparison. Only stores the
+/// physical run-end positions (m elements), not a logical-length index vector.
+struct ReeInfo {
+ run_ends: Vec<usize>,
+ offset: usize,
+ start_physical: usize,
+ len: usize,
+}
+
+/// If `array` is RunEndEncoded, return its physical values array and run
metadata.
+fn ree_unwrap(array: &dyn Array) -> Option<(&dyn Array, ReeInfo)> {
+ downcast_run_array!(
+ array => {
+ let run_ends = array.run_ends();
+ let info = ReeInfo {
+ run_ends: run_ends.values().iter().map(|v|
v.as_usize()).collect(),
Review Comment:
Fair, looking at improving this.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
