tree 091602d885ecc6ef7ca61c427e05bf2c6a6cd3cd
parent c638401cbbe07a19c2b585e706fa8916acaaf2b3
author Kent Yao <yaooqinn@hotmail.com> 1588697013 +0800
committer Liu Xun <liuxun@apache.org> 1588729743 +0000

SUBMARINE-489. DCL Framework: SHOW CURRENT ROLES syntax

### What is this PR for?
Part of DCL framework, this PR adds SHOW CURRENT ROLES statement.

### What type of PR is it?
Improvement
### Todos
* [ ] - Task

### What is the Jira issue?
Jira https://issues.apache.org/jira/browse/SUBMARINE-489

### How should this be tested?
new unit test

### Screenshots (if appropriate)

### Questions:
* Does the licenses files need update? /No
* Is there breaking changes for older versions? No
* Does this needs documentation? No

Author: Kent Yao <yaooqinn@hotmail.com>

Closes #277 from yaooqinn/SUBMARINE-489 and squashes the following commits:

fffed1e [Kent Yao] SUBMARINE-489. DCL Framework: SHOW CURRENT ROLES syntax