GitHub user lw-lin opened a pull request:
https://github.com/apache/spark/pull/14698
[SPARK-17061][SPARK-17093][SQL] `MapObjects` should make copies of
unsafe-backed data
## What changes were proposed in this pull request?
Currently `MapObjects` does not make copies of unsafe-backed data, leading
to problems like
[SPARK-17061](https://issues.apache.org/jira/browse/SPARK-17061)
[SPARK-17093](https://issues.apache.org/jira/browse/SPARK-17093).
This patch makes `MapObjects` make copies of unsafe-backed data.
## How was this patch tested?
Add a new test case which would fail without this patch.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lw-lin/spark mapobjects-copy
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14698.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #14698
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commit 4fc1ec51a938762a70bd3a50111b0b3a00e94955
Author: Liwei Lin <lwl...@gmail.com>
Date: 2016-08-18T02:53:30Z
MapObjects should copy unsafe-backed data
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