GitHub user jkbradley opened a pull request:
https://github.com/apache/spark/pull/15017
[SPARK-17456][CORE] Utility for parsing Spark versions
## What changes were proposed in this pull request?
This patch adds methods for extracting major and minor versions as Int
types in Scala from a Spark version string.
Motivation: There are many hacks within Spark's codebase to identify and
compare Spark versions. We should add a simple utility to standardize these
code paths, especially since there have been mistakes made in the past. This
will let us add unit tests as well. Currently, I want this functionality to
check Spark versions to provide backwards compatibility for ML model
persistence.
## How was this patch tested?
Unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jkbradley/spark version-parsing
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15017.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 #15017
----
commit 249661f2d7acc8beecaede46cfa46c33e68a01e2
Author: Joseph K. Bradley <jos...@databricks.com>
Date: 2016-09-08T20:41:50Z
Added VersionUtils to spark core
commit 8978cb33f35b0b2a544c29eb19e8b740637e83d8
Author: Joseph K. Bradley <jos...@databricks.com>
Date: 2016-09-08T20:53:19Z
simplification
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