[TAJO-146] Complex expressions in group-by clause should be supported

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Fix Version/s: 0.8.0
• Component/s: Physical Operator, Planner/Optimizer
• Assignee: Unassigned
• Reporter: Hyunsik Choi
• Created: 02/Sep/13 01:16
• Updated: 08/Feb/14 13:52
• Resolved: 08/Feb/14 13:52

Description

Complex expressions in group-by clause should be supported.

FROM
   table1
GROUP BY 
  col1,
  CASE upper(col2) 
      WHEN 'ABC' THEN 
          col2 
      ELSE 'XXX') 
  END,  
  col3, 
  trim(appindex), ...