GitHub user maropu opened a pull request:
https://github.com/apache/spark/pull/20827
[SPARK-23666][SQL] Do not display exprIds of Alias in user-facing info.
## What changes were proposed in this pull request?
To drop `exprId`s for `Alias` in user-facing info., this pr added an entry
for `Alias` in `NonSQLExpression.sql`
## How was this patch tested?
Added tests in `UDFSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/maropu/spark SPARK-23666
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20827.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 #20827
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commit 68650ff8c2f3a90c55b5bf4345c16a92fda3782a
Author: Takeshi Yamamuro <yamamuro@...>
Date: 2018-03-15T00:17:31Z
Fix
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