GitHub user 10110346 opened a pull request:
https://github.com/apache/spark/pull/22241
[SPARK-25249][TEST]add a unit test for OpenHashMap
## What changes were proposed in this pull request?
This PR adds a unit test for OpenHashMap , this can help developers to
distinguish between the 0/0.0/0L and null
## How was this patch tested?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/10110346/spark openhashmap
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22241.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 #22241
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commit 76b9f48a0b9423cce372fd8b33dbb771c42266b0
Author: liuxian <liu.xian3@...>
Date: 2018-08-27T07:23:38Z
add unit test for OpenHashMap
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