GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/15234
[SPARK-17660] [SQL] DESC FORMATTED for VIEW Lacks View Definition
### What changes were proposed in this pull request?
Before this PR, DESC FORMATTED does not have a section for the view
definition. We should add it for permanent views, like what Hive does.
```
+----------------------------+-------------------------------------------------------------------------------------------------------------------------------------+-------+
|col_name |data_type
|comment|
+----------------------------+-------------------------------------------------------------------------------------------------------------------------------------+-------+
|a |int
|null |
| |
| |
|# Detailed Table Information|
| |
|Database: |default
| |
|Owner: |xiaoli
| |
|Create Time: |Sat Sep 24 21:46:19 PDT 2016
| |
|Last Access Time: |Wed Dec 31 16:00:00 PST 1969
| |
|Location: |
| |
|Table Type: |VIEW
| |
|Table Parameters: |
| |
| transient_lastDdlTime |1474778779
| |
| |
| |
|# Storage Information |
| |
|SerDe Library:
|org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
| |
|InputFormat:
|org.apache.hadoop.mapred.SequenceFileInputFormat
| |
|OutputFormat:
|org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
| |
|Compressed: |No
| |
|Storage Desc Parameters: |
| |
| serialization.format |1
| |
| |
| |
|# View Information |
| |
|View Original Text: |SELECT * FROM tbl
| |
|View Expanded Text: |SELECT `gen_attr_0` AS `a` FROM (SELECT
`gen_attr_0` FROM (SELECT `a` AS `gen_attr_0` FROM `default`.`tbl`) AS
gen_subquery_0) AS tbl| |
+----------------------------+-------------------------------------------------------------------------------------------------------------------------------------+-------+
```
### 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/gatorsmile/spark descFormattedView
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15234.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 #15234
----
commit 4d6d0979025d0d0dfcde0b8db4209438685ca5c3
Author: gatorsmile <gatorsm...@gmail.com>
Date: 2016-09-25T04:42:02Z
fix.
----
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