GitHub user wzhfy reopened a pull request:
https://github.com/apache/spark/pull/16422
[SPARK-17642] [SQL] support DESC EXTENDED/FORMATTED table column commands
## What changes were proposed in this pull request?
Support DESC (EXTENDED | FORMATTED) ? TABLE COLUMN command.
Support DESC FORMATTED TABLE COLUMN command to show column-level statistics.
## How was this patch tested?
Add test cases
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wzhfy/spark descColumn
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16422.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 #16422
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commit 3058ab1ab8540b596f14c0bd1fb205f23c887452
Author: Zhenhua Wang <wzh_...@163.com>
Date: 2016-12-28T13:47:34Z
support desc table column
commit d41a9cd5980c5c9cadefd65a09d059ff8b9266e4
Author: wangzhenhua <wangzhen...@huawei.com>
Date: 2016-12-29T00:55:20Z
remove parser error interception because now we support it
commit 30cb1ae3bc7a8cb0b64fe570da9d8dadc24a3cf2
Author: Zhenhua Wang <wzh_...@163.com>
Date: 2016-12-29T12:03:49Z
fix comments
commit 4a68ed63bc993de438a42bcac6e47f5940b97320
Author: Zhenhua Wang <wzh_...@163.com>
Date: 2017-01-03T08:28:48Z
1.use getTempViewOrPermanentTableMetadata, 2.postpone nested column
detection to run()
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