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https://issues.apache.org/jira/browse/HIVE-19747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497013#comment-16497013
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Aihua Xu edited comment on HIVE-19747 at 5/31/18 10:22 PM:
-----------------------------------------------------------

Thanks [~Rajkumar Singh] . I'm checking the syntax here 
https://cwiki.apache.org/confluence/display/Hive/SQL+Standard+Based+Hive+Authorization
{noformat}
GRANT role_name [, role_name] ...
TO principal_specification [, principal_specification] ...
[ WITH ADMIN OPTION ];
 
principal_specification
  : USER user
  | ROLE role
{noformat}

and also in authorization_8.q qfile, 

{noformat}
set 
hive.security.authorization.manager=org.apache.hadoop.hive.ql.security.authorization.DefaultHiveAuthorizationProvider;
set hive.security.authorization.enabled=true;
GRANT ALL TO USER hive_test_user;
{noformat}

Do we support such syntax? Should we give syntax error for {{grant all to user 
abc}} then? 



was (Author: aihuaxu):
Thanks [~Rajkumar Singh] . I'm checking the syntax here 
https://cwiki.apache.org/confluence/display/Hive/SQL+Standard+Based+Hive+Authorization
{noformat}
GRANT role_name [, role_name] ...
TO principal_specification [, principal_specification] ...
[ WITH ADMIN OPTION ];
 
principal_specification
  : USER user
  | ROLE role
{noformat}

and also in authorization_8.q qfile, 

{noformat}
set 
hive.security.authorization.manager=org.apache.hadoop.hive.ql.security.authorization.DefaultHiveAuthorizationProvider;
set hive.security.authorization.enabled=true;
GRANT ALL TO USER hive_test_user;
{noformat}

Do we support such syntax? Should we give syntax error for {{grant all to user 
abc}} then? 

In the qtest qu

> "GRANT ALL TO USER" failed with NullPointerException
> ----------------------------------------------------
>
>                 Key: HIVE-19747
>                 URL: https://issues.apache.org/jira/browse/HIVE-19747
>             Project: Hive
>          Issue Type: Bug
>          Components: Authorization
>    Affects Versions: 2.1.0
>            Reporter: Aihua Xu
>            Priority: Minor
>
> If you issue the command 'grant all to user abc', you will see the following 
> NPE exception. Seems the type in hivePrivObject is not initialized.
> {noformat}
> FAILED: Execution Error, return code 1 from 
> org.apache.hadoop.hive.ql.exec.DDLTask. java.lang.NullPointerException
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLAuthorizationUtils.isOwner(SQLAuthorizationUtils.java:265)
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLAuthorizationUtils.getPrivilegesFromMetaStore(SQLAuthorizationUtils.java:212)
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.GrantPrivAuthUtils.checkRequiredPrivileges(GrantPrivAuthUtils.java:64)
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.GrantPrivAuthUtils.authorize(GrantPrivAuthUtils.java:50)
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLStdHiveAccessController.grantPrivileges(SQLStdHiveAccessController.java:179)
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLStdHiveAccessControllerWrapper.grantPrivileges(SQLStdHiveAccessControllerWrapper.java:70)
>         at 
> org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthorizerImpl.grantPrivileges(HiveAuthorizerImpl.java:48)
>         at 
> org.apache.hadoop.hive.ql.exec.DDLTask.grantOrRevokePrivileges(DDLTask.java:1123
> {noformat}



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