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https://issues.apache.org/jira/browse/ARROW-1735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16268028#comment-16268028
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ASF GitHub Bot commented on ARROW-1735:
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wesm opened a new pull request #1369: ARROW-1735: [C++] Test CastKernel writing
into output array with non-zero offset
URL: https://github.com/apache/arrow/pull/1369
This uncovered some bugs. I inspected the other kernels that are untested
and while they look fine, at some point we may want to add some more extensive
unit tests about this
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> [C++] Cast kernels cannot write into sliced output array
> --------------------------------------------------------
>
> Key: ARROW-1735
> URL: https://issues.apache.org/jira/browse/ARROW-1735
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> If the offset is non-zero, the results will be written into the wrong
> location:
> https://github.com/apache/arrow/blob/master/cpp/src/arrow/compute/cast.cc#L218
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