Yibo Cai created ARROW-7557:
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Summary: [C++][Compute] Validate sorting stability in random test
Key: ARROW-7557
URL: https://issues.apache.org/jira/browse/ARROW-7557
Project: Apache Arrow
Issue Type: Improvement
Components: C++ - Compute
Reporter: Yibo Cai
Assignee: Yibo Cai
Sorting kernel unit test doesn't validate sorting stability in random test. [1]
Should assert "lhs < rhs" when "array.Value(lhs) == array.Value(rhs)".
[1]
https://github.com/apache/arrow/blob/master/cpp/src/arrow/compute/kernels/sort_to_indices_test.cc#L112-L121
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