tustvold commented on code in PR #3705:
URL: https://github.com/apache/arrow-rs/pull/3705#discussion_r1104510024
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arrow-select/src/take.rs:
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@@ -2166,17 +2174,17 @@ mod tests {
let run_array = builder.finish();
let take_indices: PrimitiveArray<Int32Type> =
- vec![2, 7, 10].into_iter().collect();
+ vec![7, 2, 3, 7, 10].into_iter().collect();
let take_out = take_run(&run_array, &take_indices).unwrap();
- assert_eq!(take_out.len(), 3);
+ assert_eq!(take_out.len(), 5);
- assert_eq!(take_out.run_ends().len(), 1);
- assert_eq!(take_out.run_ends().value(0), 3);
+ assert_eq!(take_out.run_ends().len(), 4);
+ assert_eq!(take_out.run_ends().values(), &[1_i32, 3, 4, 5]);
let take_out_values =
as_primitive_array::<Int32Type>(take_out.values());
- assert_eq!(take_out_values.value(0), 2);
+ assert_eq!(take_out_values.values(), &[2, 2, 2, 2]);
Review Comment:
Just an idea but it might be worth testing that non-consecutive logical
indices that correspond to the same physical index are correctly combined into
a single output run.
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