[SERVER-4930] aggregation: use dependency information to satisfy pipelines with index-only scans when possible Created: 10/Feb/12  Updated: 15/Aug/12  Resolved: 25/May/12

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

Type: Improvement Priority: Major - P3
Reporter: Chris Westin Assignee: Unassigned
Resolution: Duplicate Votes: 2
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-4644 aggregation: optimize memory utilitz... Closed
Duplicate
duplicates SERVER-5090 aggregation: use covered index Closed
Related
is related to SERVER-447 new aggregation framework Closed
Participants:

 Description   

If we know we don't need any fields beyond those available from an index, don't go to the source documents, just like index-only queries.


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