GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/15388
[SPARK-17821][SQL] Support And and Or in Expression Canonicalize
## What changes were proposed in this pull request?
Currently `Canonicalize` object doesn't support `And` and `Or`. So we can
compare canonicalized form of predicates consistently. We should add the
support.
## How was this patch tested?
Jenkins tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 canonicalize-and-or
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15388.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 #15388
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commit 7e2535554d5a0661490b74ff4422798d98063214
Author: Liang-Chi Hsieh <vii...@gmail.com>
Date: 2016-10-07T02:54:34Z
Support And and Or in Canonicalize.
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