GitHub user ericsahit opened a pull request:
https://github.com/apache/spark/pull/18268
[SPARK-21054] [SQL] Reset Command support reset specific property.
## What changes were proposed in this pull request?
Reset Command support reset specific property to default value like `reset
spark.test.property`.
Hive 2.1.1 ([HIVE-14418](https://issues.apache.org/jira/browse/HIVE-14418))
support Reset Command for specific property like `reset spark.test.property`,
which will throw error in SparkSQL.
Compatibility will lower the cost for transferring SQL in production from
Hive to SparkSQL.
## How was this patch tested?
Add unit tests.
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ericsahit/spark SPARK-21054
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18268.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 #18268
----
commit 96ce97b5390174510acfa73aa6802396c0f50f51
Author: wanghaihua <haihua.w...@ele.me>
Date: 2017-06-09T05:55:23Z
Add SQL feature of `reset spark.test.property` support which is compatible
with Hive.
commit 874584800aabd07dfd16c8c9632bb070cc7a8210
Author: wanghaihua <haihua.w...@ele.me>
Date: 2017-06-11T07:26:16Z
Fix typo and add more unit tests.
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