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https://issues.apache.org/jira/browse/ARROW-1904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney reassigned ARROW-1904:
-----------------------------------
Assignee: Wes McKinney
> [C++] Using the raw_values() method on arrow::PrimitiveArray yields
> unreliable results on some compilers
> --------------------------------------------------------------------------------------------------------
>
> Key: ARROW-1904
> URL: https://issues.apache.org/jira/browse/ARROW-1904
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Fix For: 0.8.0
>
>
> I ran into an odd issue where, even though I was casting to
> {{arrow::PrimitiveArray}}, it picked up the {{raw_values}} method from a
> subclass of {{PrimitiveArray}} (which includes a slice offset)
> {code}
> (gdb) p reinterpret_cast<const int64_t*>(reinterpret_cast<const
> PrimitiveArray&>(arr).raw_values())[0]
> $9 = 25
> (gdb) p reinterpret_cast<const int64_t*>(reinterpret_cast<const
> PrimitiveArray&>(arr).raw_values_)[0]
> $10 = 10
> (gdb) p arr.offset()
> $11 = 15
> {code}
> I think the {{raw_values}} method in PrimitiveArray should be deprecated and
> removed, since it is dangerous to use as it does not include a slice offset,
> if any
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