[DOCS-1631] Comment on: "manual/reference/aggregation/group.txt" Created: 20/Jun/13  Updated: 03/Nov/17  Resolved: 16/Sep/13

Status: Closed
Project: Documentation
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Mathias Stearn Assignee: Kay Kim (Inactive)
Resolution: Done Votes: 0
Labels: collector-298ba4e7
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Location: http://docs.mongodb.org/manual/reference/aggregation/group/#stage._S_group
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:21.0) Gecko/20100101 Firefox/21.0
Referrer: http://docs.mongodb.org/manual/core/aggregation/
Screen Resolution: 2048 x 1152
repo: docs
source: reference/aggregation/group


Participants:
Days since reply: 10 years, 22 weeks, 1 day ago

 Description   

Any expression (things usable in $project) are also valid as the _id field and as input to the accumulators. FieldPaths, Objects, and Constants are just particular types of expressions, there is nothing special about them.



 Comments   
Comment by auto [ 17/Sep/13 ]

Author:

{u'username': u'tychoish', u'name': u'Sam Kleinman', u'email': u'samk@10gen.com'}

Message: DOCS-1631: minor reorganization
Branch: master
https://github.com/mongodb/docs/commit/2be9e9f18d57465cfe1bf518096e28f2dc85c961

Comment by auto [ 16/Sep/13 ]

Author:

{u'username': u'kay-kim', u'name': u'kay', u'email': u'kay.kim@10gen.com'}

Message: DOCS-1631 aggregation group _id field values
Branch: master
https://github.com/mongodb/docs/commit/6835e57ce15c37a48a84afce9f9f515a35fecc44

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