[SERVER-3881] aggregation: $group _id should support being a constant to support count(*) Created: 16/Sep/11  Updated: 11/Jul/16  Resolved: 27/Sep/11

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 2.1.0

Type: Improvement Priority: Major - P3
Reporter: Chris Westin Assignee: Chris Westin
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by SERVER-447 new aggregation framework Closed
Participants:

 Description   

for {$group: { _id: 1, count: {$sum: 1}}}


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