GitHub user mgaido91 opened a pull request:
https://github.com/apache/spark/pull/21040
[SPARK-23930][SQL] Add slice function
## What changes were proposed in this pull request?
The PR add the `slice` function. The behavior of the function is based on
Presto's one.
The function slices an array according to the requested start index and
length.
## How was this patch tested?
added UTs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mgaido91/spark SPARK-23930
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21040.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 #21040
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commit 5cbbf7afb164d090bfe5730380a2fbe0a18146c2
Author: Marco Gaido <marcogaido91@...>
Date: 2018-04-10T13:49:53Z
[SPARK-23930][SQL] Add slice function
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