GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/14464
[SPARK-16802] [SQL] fix overflow in LongToUnsafeRowMap
## What changes were proposed in this pull request?
This patch fix the overflow in LongToUnsafeRowMap when the range of key is
very wide (the key is much much smaller then minKey, for example, key is
Long.MinValue, minKey is > 0).
## How was this patch tested?
Added regression test (also for SPARK-16740)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark fix_overflow
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14464.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 #14464
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commit 97027f086f1e7a977832a1acfb9ebe29250a28ea
Author: Davies Liu <dav...@databricks.com>
Date: 2016-08-02T19:02:13Z
fix overflow in LongToUnsafeRowMap
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