[HIVE-11498] HIVE Authorization v2 should not check permission for dummy entity

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.0, 1.3.0, 2.0.0
• Fix Version/s: 1.2.1, 1.3.0, 2.0.0
• Component/s: Authorization
• Assignee: Dapeng Sun
• Reporter: Dapeng Sun
• Created: 07/Aug/15 05:03
• Updated: 16/Feb/16 23:51
• Resolved: 11/Aug/15 03:31

Description

The queries like SELECT 1+1;, The target table and database will set to _dummy_database _dummy_table, authorization should skip these kinds of databases or tables.

For authz v1. it has skip them.

eg1. Source code at github

for (WriteEntity write : outputs) {
        if (write.isDummy() || write.isPathType()) {
          continue;
        }

eg2. Source code at github

for (ReadEntity read : inputs) {
        if (read.isDummy() || read.isPathType()) {
          continue;
        }
       ...
        }

...

This patch will fix authz v2.

Issue Links

• duplicates: HIVE-10625 Handle Authorization for 'select <expr>' hive queries in SQL Standard Authorization