[TAJO-444] Tajo fails to parse order by query with "is null" predicate in sort key

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.0
• Component/s: QueryMaster
• Assignee: Unassigned
• Reporter: Prafulla T
• Created: 21/Dec/13 21:25
• Updated: 20/Jan/14 01:50
• Resolved: 20/Jan/14 01:50

Description

Prepare table like the on mentioned in TAJO-443
Try following query:

tajo> select score from table1 order by score is null;
ERROR: mismatched input 'is' expecting {<EOF>, EXCEPT, INTERSECT, LIMIT, UNION, ';', ','}
LINE 1:40 select score from table1 order by score is null
                                                   ^^