GitHub user lianhuiwang opened a pull request:
https://github.com/apache/spark/pull/13170
[SPARK-15335] [SQL] Implement TRUNCATE TABLE Command
## What changes were proposed in this pull request?
Like TRUNCATE TABLE Command in Hive, TRUNCATE TABLE is also supported by
Hive. See the link:
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL
Below is the related Hive JIRA:
https://issues.apache.org/jira/browse/HIVE-446
This PR is to implement such a command for truncate table excluded column
truncation(HIVE-4005).
## How was this patch tested?
Added a test case.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lianhuiwang/spark truncate
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13170.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 #13170
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commit cab94d59b2dc466fe861c8932bef3738592ea0ac
Author: Lianhui Wang <[email protected]>
Date: 2016-05-18T10:11:38Z
init commit
commit af1d230ae692b02c717b447122afcfdb67b4f113
Author: Lianhui Wang <[email protected]>
Date: 2016-05-18T10:14:26Z
Merge branch 'apache-master' into truncate
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