[HIVE-8396] Hive CliDriver command splitting can be broken when comments are present

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 1.3.0, 2.0.0
• Component/s: Parser, Query Processor
• Target Version/s: 1.3.0
• Release Note: Hive interactive shell now strips full line comments from the input, matching the behaviour of hive -f, beeline (interactive), and beeline -f.
• Assignee: Elliot West
• Reporter: Sergey Shelukhin
• Created: 08/Oct/14 01:57
• Updated: 16/Feb/16 23:50
• Resolved: 25/Nov/15 23:15

Description

-- SORT_QUERY_RESULTS
set hive.cbo.enable=true;

... commands ...

causes

2014-10-07 18:55:57,193 ERROR ql.Driver (SessionState.java:printError(825)) - FAILED: ParseException line 2:4 missing KW_ROLE at 'hive' near 'hive'

If the comment is moved after the command it works.

I noticed this earlier when I comment out parts of some random q file for debugging purposes, and it starts failing. This is annoying.