GitHub user dilipbiswal opened a pull request:
https://github.com/apache/spark/pull/11991
[SPARK-14184][SQL] Support native execution of SHOW DATABASE command and
fix SHOW TABLE to use table identifier pattern
## What changes were proposed in this pull request?
This PR addresses the following
1. Supports native execution of SHOW DATABASES command
2. Fixes SHOW TABLES to apply the identifier_with_wildcards pattern if
supplied.
SHOW TABLE syntax
```
SHOW TABLES [IN database_name] ['identifier_with_wildcards'];
```
SHOW DATABASES syntax
```
SHOW (DATABASES|SCHEMAS) [LIKE 'identifier_with_wildcards'];
```
## How was this patch tested?
Tests added in SQLQuerySuite (both hive and sql contexts) and
DDLCommandSuite
Note: Since the table name pattern was not working , tests are added in
both SQLQuerySuite to
verify the application of the table pattern.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dilipbiswal/spark dkb_show_database
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11991.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 #11991
----
commit 31cd3c0b0a40f39749145ea98e467176f178c6ba
Author: Dilip Biswal <dbis...@us.ibm.com>
Date: 2016-03-27T22:54:03Z
[SPARK-14184] Support native execution of SHOW DATABASE command and fix
SHOW TABLE to use table identifier pattern
----
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