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https://issues.apache.org/jira/browse/ARROW-9041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17126947#comment-17126947
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Paul Taylor commented on ARROW-9041:
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These are resolved in [PR 5677|https://github.com/apache/arrow/pull/5677]. Now
that the [new variant.hpp header|https://github.com/apache/arrow/pull/7053] is
in 0.17.1, we should be able to upgrade.
> [C++] overloaded virtual function "arrow::io::Writable::Write" is only
> partially overridden in class
> -----------------------------------------------------------------------------------------------------
>
> Key: ARROW-9041
> URL: https://issues.apache.org/jira/browse/ARROW-9041
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 0.15.0
> Reporter: Karthikeyan Natarajan
> Priority: Major
> Labels: easyfix
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> Following warnings appear
> cpp/build/arrow/install/include/arrow/io/file.h(189): warning: overloaded
> virtual function "arrow::io::Writable::Write" is only partially overridden in
> class "arrow::io::MemoryMappedFile"
> cpp/build/arrow/install/include/arrow/io/memory.h(98): warning: overloaded
> virtual function "arrow::io::Writable::Write" is only partially overridden in
> class "arrow::io::MockOutputStream"
> cpp/build/arrow/install/include/arrow/io/memory.h(116): warning: overloaded
> virtual function "arrow::io::Writable::Write" is only partially overridden in
> class "arrow::io::FixedSizeBufferWriter"
> Suggestion solution is to use `using Writable::Write` in protected/private.
> [https://isocpp.org/wiki/faq/strange-inheritance#hiding-rule]
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