[TAJO-913] Add some missed tests for constant value group-by keys

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Component/s: Planner/Optimizer
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 07/Jul/14 04:38
• Updated: 11/Jul/14 05:42
• Resolved: 11/Jul/14 05:31

Description

This patch is trivial change. It adds two unit tests for constant key groupby as follows:

select 123 as key, count(1) as total from lineitem group by key order by key, total;

select l_partkey as a, timestamp '2014-07-07 04:28:31.561' as b, '##' as c, count(*) d from lineitem