GitHub user ptkool opened a pull request:
https://github.com/apache/spark/pull/19672
[SPARK-22456] Add support for dayofweek function
## What changes were proposed in this pull request?
This PR adds support for a new function called `dayofweek` that returns the
day of the week of the given argument as an integer value in the range 1-7,
where 1 represents Sunday.
## How was this patch tested?
Unit tests and manual tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ptkool/spark day_of_week_function
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19672.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 #19672
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