Github user ahutsunshine commented on the issue:
https://github.com/apache/griffin/pull/470
BTW, currently Griffin does not support mysql 8.0 or above versions. If we
support it, we still need update mysql dependency.
e.g.
```
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
```---
