[CALCITE-1714] Do not push group by on druid metrics fields

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.12.0
• Fix Version/s: 1.13.0
• Component/s: druid-adapter
• Assignee: Slim Bouguerra
• Reporter: Slim Bouguerra
• Created: 20/Mar/17 19:13
• Updated: 27/Feb/24 22:23
• Resolved: 27/Mar/17 19:23

Description

Druid does not support grouping by metrics, hence we can not push the group by to druid. Instead we should generate a select query.