GitHub user ouyangxiaochen opened a pull request:
https://github.com/apache/spark/pull/16868
[SPARK-19115] [SQL] Supporting Create External Table Like Location
What changes were proposed in this pull request?
Support CREATE [EXTERNAL] TABLE LIKE LOCATION... syntax for Hive tables.
In this PR,we follow SparkSQL design rules :
supporting create external table like view or physical table or
temporary view with location.
creating an external table without location,we will throw an
OpreationNotAllowed exception.
creating a managed table with location,this table will be an external
table other than managed table.
How was this patch tested?
Add new test cases and update existing test cases
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ouyangxiaochen/spark spark19115
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16868.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 #16868
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commit 222180901fd65c01bd04844a548cf046f671478d
Author: ouyangxiaochen <[email protected]>
Date: 2017-02-09T07:30:21Z
resolve the conflicts
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