GitHub user bravo-zhang opened a pull request:
https://github.com/apache/spark/pull/16225
[SPARK-14932][SQL] Allow DataFrame.replace() to replace values with None
## What changes were proposed in this pull request?
Allow DataFrame.replace() to replace with None/null values.
## How was this patch tested?
Python doctest. Scala and Java local test.
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/bravo-zhang/spark spark-14932
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16225.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 #16225
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commit 2653750762c12cf5d17b8a2ac2a7ee9f8d55bfec
Author: bravo-zhang <mzhang1...@gmail.com>
Date: 2016-12-09T05:22:31Z
[SPARK-14932][SQL] Allow DataFrame.replace() to replace values with None
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