GitHub user pepinoflo opened a pull request:
https://github.com/apache/spark/pull/21208
[SPARK-23925][SQL] Add array_repeat collection function
## What changes were proposed in this pull request?
The PR adds a new collection function, array_repeat. As there already was a
function repeat with the same signature, with the only difference being the
expected return type (String instead of Array), the new function is called
array_repeat to distinguish.
The behaviour of the function is based on Presto's one.
The function creates an array containing a given element repeated the
requested number of times.
## How was this patch tested?
New unit tests added into:
- CollectionExpressionsSuite
- DataFrameFunctionsSuite
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/pepinoflo/spark SPARK-23925
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21208.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 #21208
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commit f5a23cf8321ddca315c92fdf7366974469ce6395
Author: Florent Pépin <florent.pepin14@...>
Date: 2018-05-01T18:07:34Z
[SPARK-23925][SQL] Add array_repeat function
commit ce2a9ddd1abf91f3c1abe1bf4b437a063dccfecb
Author: Florent Pépin <florent.pepin14@...>
Date: 2018-05-01T20:00:34Z
Merge master into branch
commit 88d84252eb87e9d16b0e274db6db007133999e78
Author: Florent Pépin <florent.pepin14@...>
Date: 2018-05-01T21:12:38Z
Fix false string to FalseLiteral
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