[HIVE-3798] Can't escape reserved keywords used as table names

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: Parser
• Assignee: Jakob Homan
• Reporter: Jakob Homan
• Created: 13/Dec/12 19:53
• Updated: 21/Jan/15 21:42
• Resolved: 21/Jan/15 21:28

Description

hive (some_table)> show tables;
OK
...
comment
...
Time taken: 0.076 seconds
hive (some_table)> describe comment;
FAILED: Parse Error: line 1:0 cannot recognize input near 'describe' 'comment' '<EOF>' in describe statement
hive (some_table)> describe `comment`;             
OK
Table `comment` does not exist	 	 
Time taken: 0.042 seconds

Describe should honor character escaping.

Issue Links

• relates to: HIVE-6617 Reduce ambiguity in grammar