[KYUUBI #350] Avoid using HiveResult
 [](https://github.com/yaooqinn/kyuubi/pull/351)    [❨?❩](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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close #350
### _How was this patch tested?_
- [ ] 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 #351 from pan3793/KYUUBI-350.
8b9ac46 [Cheng Pan] debug logs
21add73 [Cheng Pan] minor
46ceb54 [Cheng Pan] [KYUUBI-350] in favor cast string in executeStatment
f4e3633 [Cheng Pan] [KYUUBI-350] Avoid using HiveResult in RowSet
Authored-by: Cheng Pan <379377944@qq.com>
Signed-off-by: Kent Yao <yao@apache.org>