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https://issues.apache.org/jira/browse/ARROW-15493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs resolved ARROW-15493.
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Fix Version/s: 7.0.0
Resolution: Fixed
Issue resolved by pull request 12280
[https://github.com/apache/arrow/pull/12280]
> [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
> Priority: Major
> Labels: pull-request-available
> Fix For: 7.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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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