[KYUUBI #309] GetTables supports DSv2 and keeps its backward compatibility
 [](https://github.com/yaooqinn/kyuubi/pull/346)    [❨?❩](https://pullrequestbadge.com/?utm_medium=github&utm_source=yaooqinn&utm_campaign=badge_info)<!-- PR-BADGE: PLEASE DO NOT REMOVE THIS COMMENT -->
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### _Why are the changes needed?_
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fix #309
get tables through Spark DSv2
### _How was this patch tested?_
- [x] Add some test cases that check the changes thoroughly including negative and positive cases if possible
- [ ] Add screenshots for manual tests if appropriate
- [x] [Run test](https://kyuubi.readthedocs.io/en/latest/tools/testing.html#running-tests) locally before make a pull request
Closes #346 from yaooqinn/gettables.
16dbe4b [Kent Yao] nit
e03b021 [Kent Yao] nit
7f3eee2 [Kent Yao] Merge branch 'master' into gettables
0180cc5 [Kent Yao] add a test
8498152 [Kent Yao] GetTables supports DSv2 and keeps its backward compatibility
Authored-by: Kent Yao <yao@apache.org>
Signed-off-by: Kent Yao <yao@apache.org>
a2818003e6