Optimize privilege checking for authorization
---------------------------------------------
Key: HIVE-1890
URL: https://issues.apache.org/jira/browse/HIVE-1890
Project: Hive
Issue Type: Improvement
Components: Query Processor
Reporter: Namit Jain
Assignee: He Yongqiang
Follow-up of HIVE-78
There are many queries which have lots of input partitions for the same input
table.
If the table under consideration has the same privilege for all the partitions,
you
dont need to check the permissions for all the partitions. You can find the
common
tables and skip the partitions altogether
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