Database and table name is case sensitive when used in show grant

0: jdbc:hive2://localhost:21066/> show grant on table p1;
+-----------+--------+------------+---------+----------------------+-----------------+------------+---------------+----------------+----------+--+
| database  | table  | partition  | column  |    principal_name    | principal_type  | privilege  | grant_option  |   grant_time   | grantor  |
+-----------+--------+------------+---------+----------------------+-----------------+------------+---------------+----------------+----------+--+
| default   | p1     |            |         | userx                | USER            | DELETE     | true          | 1481872357000  | userx    |
| default   | p1     |            |         | userx                | USER            | INSERT     | true          | 1481872357000  | userx    |
| default   | p1     |            |         | userx                | USER            | SELECT     | true          | 1481872357000  | userx    |
| default   | p1     |            |         | userx                | USER            | UPDATE     | true          | 1481872357000  | userx    |
+-----------+--------+------------+---------+----------------------+-----------------+------------+---------------+----------------+----------+--+
7 rows selected (0.158 seconds)

0: jdbc:hive2://localhost:21066/> show grant on table P1;
+-----------+--------+------------+---------+-----------------+-----------------+------------+---------------+-------------+----------+--+
| database  | table  | partition  | column  | principal_name  | principal_type  | privilege  | grant_option  | grant_time  | grantor  |
+-----------+--------+------------+---------+-----------------+-----------------+------------+---------------+-------------+----------+--+
+-----------+--------+------------+---------+-----------------+-----------------+------------+---------------+-------------+----------+--+
No rows selected (9.608 seconds)
0: jdbc:hive2://localhost:21066/> show grant on table defaulT.p1;
+-----------+--------+------------+---------+-----------------+-----------------+------------+---------------+-------------+----------+--+
| database  | table  | partition  | column  | principal_name  | principal_type  | privilege  | grant_option  | grant_time  | grantor  |
+-----------+--------+------------+---------+-----------------+-----------------+------------+---------------+-------------+----------+--+
+-----------+--------+------------+---------+-----------------+-----------------+------------+---------------+-------------+----------+--+
No rows selected (0.06 seconds)