GitHub user sameeragarwal opened a pull request:
https://github.com/apache/spark/pull/17724
[SPARK-18127] Add hooks and extension points to Spark
## What changes were proposed in this pull request?
This patch adds support for customizing the spark session by injecting
user-defined custom extensions. This allows a user to add custom analyzer
rules/checks, optimizer rules, planning strategies or even a customized parser.
## How was this patch tested?
Unit Tests in SparkSessionExtensionSuite
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sameeragarwal/spark session-extensions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17724.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 #17724
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commit c83b4ee67b9cf4506cc8ce1ce449055463b1bda9
Author: Sameer Agarwal <samee...@cs.berkeley.edu>
Date: 2017-04-13T21:58:53Z
Add SparkSessionExtensions
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