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From "ericni.ni" <ericni...@vipshop.com>
Subject 答复: Show current roles failing on Apache hive 0.13.1
Date Thu, 20 Nov 2014 11:05:56 GMT
Refer to the org.apache.Hadoop.hive.ql.exec.DDLTask.roleDDL function, AuthorizationMode doesn't
support  SHOW CURRENT ROLES statement
But AuthorizationModeV2 supports this:

private int roleDDLV2(RoleDDLDesc roleDDLDesc) throws HiveException, IOException {
…….
    case SHOW_CURRENT_ROLE:
      List<String> roleNames = authorizer.getCurrentRoleNames();
      writeListToFileAfterSort(roleNames, roleDDLDesc.getResFile());
      break;

But by default,hive uses AuthorizationMode (because the default value of hive.security.authorization.manager
is org.apache.hadoop.hive.ql.security.authorization.DefaultHiveAuthorizationProvider,which
means AuthorizationMode )
If you want to use AuthorizationModeV2,you must use another authorization class which implements
the org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthorizerFactory interface
but not the org.apache.hadoop.hive.ql.security.authorization.HiveAuthorizationProvider interface
such as  org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLPrivilegeType


发件人: Ravi Kumar [mailto:ravi_kumar@persistent.co.in]
发送时间: 2014年11月17日 21:51
收件人: user@hive.apache.org
主题: Show current roles failing on Apache hive 0.13.1

Hi All
I am trying to run ‘Show current roles’ on Apache hive 0.13.1 but getting following error,

hive> SHOW CURRENT ROLES;
Error in role operation show_current_role on role name null, error message Unkown role operation
show_current_role
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask


Can someone tell me whether this command is supported on apache Hive 0.13.1 or not. If it
is supported the what could be the issue. Any pointer would be really helpful.

Thanks and regrads,
Ravi


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