GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/14367
[SPARK-16733][SQL] use antlr to parse column name instead of implementing
it ourselves
## What changes were proposed in this pull request?
It's weird to write code ourselves to parse column name, while we already
have the antlr framework. This PR removes that special code and use antlr to
parse column name instead.
## How was this patch tested?
existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark column-name
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14367.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 #14367
----
commit a1c5b0d1a6a46c19e4af9191b51f8a47b6219187
Author: Wenchen Fan <[email protected]>
Date: 2016-07-26T09:06:52Z
use antlr to parse column name instead of implementing it ourselves
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