https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Authorization
https://www.cloudera.com/documentation/enterprise/5-6-x/topics/sg_authorization_overview.html
https://cwiki.apache.org/confluence/display/Hive/SQL+Standard+based+hive+authorization
https://cwiki.apache.org/confluence/display/Hive/HCatalog+Authorization
https://cwiki.apache.org/confluence/display/Hive/Storage+Based+Authorization+in+the+Metastore+Server
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=45876173
- Hive deprecated authorization mode / Legacy Mode
- also see the design document and Security