GitHub user kevincox opened a pull request:
https://github.com/apache/spark/pull/12337
Expose null checking function to Python land.
This allows efficiently mapping a column that shouldn't contain any nulls
to a columns that Spark knows doesn't have any nulls.
Tested using jobs in pyspark.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kevincox/spark python-assertNotNull
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12337.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 #12337
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commit c671e4fe7f7a2dd08048e96c6c7c0a6485d063b9
Author: Kevin Cox <[email protected]>
Date: 2016-04-12T21:31:37Z
Expose null checking function to Python land.
This allows efficiently mapping a column that shouldn't contain any nulls
to a columns that Spark knows doesn't have any nulls.
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