GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/21193
[SPARK-24121][SQL] Add API for handling expression code generation
## What changes were proposed in this pull request?
This patch implements this
[proposal](https://github.com/apache/spark/pull/19813#issuecomment-354045400)
to add an API for handling expression code generation. It should allow us to
manipulate how to generate codes for expressions.
## How was this patch tested?
Added tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 SPARK-24121
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21193.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 #21193
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