felipecrv commented on code in PR #35750:
URL: https://github.com/apache/arrow/pull/35750#discussion_r1218545713
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cpp/src/arrow/compute/kernels/ree_util_internal.h:
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@@ -83,6 +83,18 @@ class ReadWriteValue<ArrowType, in_has_validity_buffer,
out_has_validity_buffer,
return valid;
}
+ /// Pre-conditions guaranteed by the callers:
+ /// - i and j are valid indices into the values buffer
+ /// - the values in i and j are valid
+ bool CompareValuesAt(int64_t i, int64_t j) const {
Review Comment:
Comparing values is commonly used when run-end encoding kernels. I would
happily move it out of here if you have a suggestion.
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