GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/4091
[SQL][Minor] Refactors deeply nested FP style code in BooleanSimplification
This is a follow-up of #4090. The original deeply nested `reduceOption`
code is hard to grasp.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark
refactor-boolean-simplification
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4091.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 #4091
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commit e833ca4b7a108c053870ba03a013656556fd3d58
Author: Cheng Lian <[email protected]>
Date: 2015-01-18T01:52:00Z
Refactors deeply nested FP style code
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