How Do I View the Hive Table Created by Another User?

Versions earlier than MRS 3.x:

1. Log in to MRS Manager and choose System > Permission > Manage Role.
2. Click Create Role, and set Role Name and Description.
3. In the Permission table, choose Hive > Hive Read Write Privileges.
4. In the database list, click the name of the database where the table created by user B is stored. The table is displayed.
5. In the Permission column of the table created by user B, select SELECT.
6. Click OK, and return to the Role page.
7. Choose System > Manage User. Locate the row containing user A, click Modify to bind the new role to user A, and click OK. After about 5 minutes, user A can access the table created by user B.

MRS 3.x or later:

1. Log in to FusionInsight Manager and choose Cluster > Services. On the page that is displayed, choose Hive. On the displayed page, choose More, and check whether Enable Ranger is grayed out.
   • If yes, go to 9.
   • If no, perform 2 to 8.
2. Log in to FusionInsight Manager and choose System > Permission > Role.
3. Click Create Role, and set Role Name and Description.
4. In the Configure Resource Permission table, choose Name of the desired cluster > Hive > Hive Read Write Privileges.
5. In the database list, click the name of the database where the table created by user B is stored. The table is displayed.
6. In the Permission column of the table created by user B, select Select.
7. Click OK, and return to the Role page.
8. Choose Permission > User. On the Local User page that is displayed, locate the row containing user A, click Modify in the Operation column to bind the new role to user A, and click OK. After about 5 minutes, user A can access the table created by user B.
9. Perform the following steps to add the Ranger access permission policy of Hive:
   1. Log in to FusionInsight Manager as a Hive administrator and choose Cluster > Services. On the page that is displayed, choose Ranger. On the displayed page, click the URL next to Ranger WebUI to go to the Ranger management page.
   2. On the home page, click the component plug-in name in the HADOOP SQL area, for example, Hive.
   3. On the Access tab page, click Add New Policy to add a Hive permission control policy.
   4. In the Create Policy dialog box that is displayed, set the following parameters:
      • Policy Name: Enter a policy name, for example, table_test_hive.
      • database: Enter or select the database where the table created by user B is stored, for example, default.
      • table: Enter or select the table created by user B, for example, test.
      • column: Enter and select a column, for example, *.
      • In the Allow Conditions area, click Select User, select user A, click Add Permissions, and select select.
      • Click Add.
10. Perform the following steps to add the Ranger access permission policy of HDFS:
    1. Log in to FusionInsight Manager as user rangeradmin and choose Cluster > Services. On the page that is displayed, choose Ranger. On the displayed page, click the URL next to Ranger WebUI to go to the Ranger management page.
    2. On the home page, click the component plug-in name in the HDFS area, for example, hacluster.
    3. Click Add New Policy to add an HDFS permission control policy.
    4. In the Create Policy dialog box that is displayed, set the following parameters:
       • Policy Name: Enter a policy name, for example, tablehdfs_test.
       • Resource Path: Set this parameter to the HDFS path where the table created by user B is stored, for example, /user/hive/warehouse/Database name/Table name.
       • In the Allow Conditions area, select user A for Select User, click Add Permissions in the Permissions column, and select Read and Execute.
       • Click Add.
11. View basic information about the policy in the policy list. After the policy takes effect, user A can view the table created by user B.