GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/8202
[SPARK-8670][SQL] Nested columns can't be referenced in pyspark
This bug is caused by a wrong column-exist-check in `__getitem__` of
pyspark dataframe. `DataFrame.apply` accepts not only top level column name,
but also nested column name like `a.b`, so we should remove that check from
`__getitem__`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark nested
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8202.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 #8202
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commit 898866137f93a7776d551b64e450f93fce543329
Author: Wenchen Fan <[email protected]>
Date: 2015-08-14T12:14:03Z
remove the column-exist-check in __getitem__ in python dataframe
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