GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/17827
[SPARK-20552][SQL][PYTHON] Add isNotDistinctFrom/isDistinctFrom for column
APIs in Scala and Python
## What changes were proposed in this pull request?
This PR proposes to add both `isNotDistinctFrom` and `isDistinctFrom` to
both Scala and Python column APIs.
`IS [NOT] DISTINCT FROM` syntax is now supported in favour of
https://github.com/apache/spark/pull/17764
Adding Python API was initially suggested in that PR but that PR turned to
SQL syntax only change. Per
https://github.com/apache/spark/pull/17764#discussion_r114048387 I assume we
want this.
## How was this patch tested?
Doctests for Python and unit tests in `ColumnExpressionSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark SPARK-20552
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17827.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 #17827
----
commit 008cec4ed1a45c299bec4a6ce6114e5871c0398c
Author: hyukjinkwon <gurwls...@gmail.com>
Date: 2017-05-02T03:28:04Z
Add isNotDistinctFrom/isDistinctFrom for column APIs in Scala/Java and
Python
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