Yibo Cai created ARROW-15493:
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Summary: [C++][Gandiva] Uninitialized data member causes random
gandiva-filter-test failures
Key: ARROW-15493
URL: https://issues.apache.org/jira/browse/ARROW-15493
Project: Apache Arrow
Issue Type: Bug
Components: C++ - Gandiva
Reporter: Yibo Cai
Assignee: Yibo Cai
gandiva-filter-test {{TestFilter.TestFilterCache}} fails on Arm, though the bug
is not architecure dependent.
Class member *mode_* is not initialized in one of ExpressionCacheKey
constructors [1], but it's used to comapre equality of two instances [2]. It
causes flaky gandiva-filter-test failures.
[1]
https://github.com/apache/arrow/blob/master/cpp/src/gandiva/expression_cache_key.h#L55
[2]
https://github.com/apache/arrow/blob/master/cpp/src/gandiva/expression_cache_key.h#L92
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