GitHub user wangmiao1981 opened a pull request:
https://github.com/apache/spark/pull/17640
[SPARK-17608][SPARKR]:Long type has incorrect serialization/deserialization
## What changes were proposed in this pull request?
`bigint` is not supported in schema and the serialization is not `Double`.
Add `bigint` support in schema and serialized and deserialized as `Double`.
This fix is orthogonal to the precision problem in
https://issues.apache.org/jira/browse/SPARK-12360
## How was this patch tested?
Add a new unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangmiao1981/spark summary
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17640.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 #17640
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commit 03b82ac19dcbe17a70d9e45790dd24210b6d4f07
Author: wm...@hotmail.com <wm...@hotmail.com>
Date: 2017-04-14T17:43:35Z
add bigint support
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